Abstract

We study the propagation properties (intensity, degree of coherence and scintillation) of a new class of beams in a turbulent atmosphere, which are called Hermite non-uniformly correlated (HNUC) beams. The results show that the beams not only have lower scintillation but also higher intensity than Gaussian-Schell model (GSM) beams over certain propagation ranges. We can adjust the beam order of HNUC beams to enhance the intensity of the beam in the receiver plane and, simultaneously, reduce the detrimental scintillation, and we can also adjust the coherence length of HNUC beams to optimize the effects of a given propagation distance between a signal transmitter and a receiver.

© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

1. Introduction

In the past decades, a great deal of attention has been paid to the propagation characteristics of optical beams in the turbulent atmosphere owing to their important role in laser radar systems, remote sensing and free-space optical (FSO) communication systems [1]. When a laser beam propagates through atmospheric turbulence, it experiences several deleterious effects, such as excessive beam spreading, beam wander, scintillation (i.e., intensity fluctuation) and angle-of-arrival fluctuation, caused by random variations in the refractive index. Scintillation, as one of the most limiting effects of atmospheric turbulence, reduces the capacity of laser radar systems, remote sensing and FSO systems. Thus it is imperative to take action to mitigate or overcome this effect.

It is well-known that partially coherent beams (PCBs) can have lower turbulence-induced scintillation than their fully coherent counterparts [2–8]. The physical mechanism for the resistance of PCBs to turbulence can be explained from the point of view of the coherent mode representation [9, 10]. Up to now, many papers have studied strategies to reduce the scintillation in turbulent atmosphere by using different kinds of PCBs, e.g., PCBs with special beam profiles [11], states of polarization [12], phases [13,14] or non-conventional correlation functions (non-Gaussian distribution of the degree of coherence (DOC)) [15–18]. The options listed above, however, just reduce the scintillation, and both high average received intensity and low scintillation are desired when a laser beam is used in FSO communications. Most PCBs considered have had a homogeneous (Schell-model) degree of coherence, and for such beams a decrease of intensity is typical as well.

Since a new method for designing novel correlation functions of scalar and vector PCBs was discussed by Gori et al. [19, 20], a great deal of attention has been paid to investigating novel correlation functions of PCBs. In 2011, Lajunen et al. introduced a new class of PCBs with a spatially variant correlation function (i.e., nonuniformly correlated (NUC) beams) [21]. Their new class was shown to exhibit self-focusing and self-shifting propagation properties. Over the next few years, researchers investigated in detail the evolution of its spectral density [22–28]. Gu et al. studied the scintillation of NUC beams in the turbulent atmosphere and showed that such NUC beams not only have lower scintillation but also higher intensity than Gaussian-Schell model beams over certain propagation distances [23]. However, Those promising beams only had a single parameter to vary, namely the spatial correlation length. Here we introduce a new infinite class of beams in which both mode order and correlation length may be changed to adjust the scintillation and focal length.

2. Theoretical model for HNUC beams

Typically, the spatial coherence properties of scalar PCBs are described by either the mutual intensity in the space-time domain or the cross-spectral density (CSD) in space-frequency domain. Both of these functions have to be nonnegative definite kernels. In recent years, the CSD has become the quantity of choice for studying quasi-monochromatic fields. The CSD of the field at the source plane is defined as a two-point correlation function:

W(r1,r2)=E*(r1)E(r2),
where E(r) denotes the field fluctuating in a direction perpendicular to the z axis, and the angular brackets denotes an average over a monochromatic ensemble. We will work at a single frequency ω and suppress its explicit depiction in the arguments of W and E. To be a mathematically genuine correlation function, the CSD must correspond to a nonnegative definite kernel, which is fulfilled if the function can be written in the following form [19],
W(r1,r2)=p(v)V0*(r1,v)V0(r2,v)dv,
where V0 is an arbitrary kernel and p is a non-negative function.

For the NUC beams introduced by Lajunen et al., the p and V0 are defined for a one-dimensional source as [21]

p(v)=(πa2)1/2exp(v2/a2),
V0(x,v)=exp(x2w02)exp[ik(xx0)2v],
where a is a positive real constant, k = 2π/λ is the wave number and w0 is the beam width and x0 is a real constant.

We introduce a generalized set of higher-order two-dimensional sources with

p(v)=(4π)1/2(2a)2m+1v2mexp(v2a2),
where m is the beam order, and we set V0 as
V0(r,v)=exp(r2w02)exp(ikvr2).
Substituting Eqs. (5) and (6) into Eq. (2), we readily obtain the following expression for the CSD of the generated partially coherent beam:
W(r1,r2)=exp(r12+r22w02)μ(r1,r2),
where μ(r1, r2) represents the DOC of the generated beam and is given by
μ(r1,r2)=G0H2m(r22r12rc2)exp[(r22r12)2rc4],
with rc=(2/ka)1/2 is the coherence length, G0=1/H2m(0) is coefficient and H2m(x) denotes the Hermite polynomial of order 2m. Eq. (8) shows that the spectral degree of coherence is not a homogeneous function, i.e. μ(r1, r2) ≠ μ(r1r2); it is non-uniformly correlated. We call this class of partially coherent beams whose CSD is given by Eqs. (7) and (8) as HNUC beams. Under the condition of m =0, HNUC beams reduce to the conventional NUC beams.

Figure 1 shows the density plot of the absolute value of the DOC of the proposed HNUC beams for different values of the beam order m in the source plane with rc=3cm. One finds that the number of side lobes increases as the value of the beam order m increases. We therefore have a class of non-uniformly correlated beams with distinct correlation functions.

 

Fig. 1 Density plot of the absolute value of the DOC of HNUC beams for different values of the beam order m with rc=3cm.

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3. Propagation properties of HNUC beams in turbulent atmosphere

In this section, the propagation properties of HNUC beams in free space and turbulent atmosphere are investigated. Under the paraxial approximation, the propagation of a partially coherent beam from the source plane z =0 into an arbitrary plane z >0 in a turbulent medium can be described by the extended Huygens-Fresnel principle [1]

W(ρ1,ρ2,z)=(k2πz)2W0(r1,r2)exp[ik2z(r1ρ1)2+ik2z(r2ρ2)2]×exp[Ψ(r1,ρ1)+Ψ*(r2,ρ2)]d2r1d2r2,
where ρ1 and ρ2 represent two arbitrary spatial positions in the target plane, W0 (r1, r2) denotes the CSD of the beams in the source plane, and Ψ(r, ρ) denotes the complex phase perturbation induced by the refractive-index fluctuations of the random medium between r and ρ. The last term in Eq. (9) can be expressed as [1]
exp[Ψ(r1,ρ1)+Ψ*(r2,ρ2)]=exp{4π2k2z010κΦn(κ){1J0[|(1ξ)P+ξQ|κ]}}d2κdξ,
where P = ρ1ρ2, Q = r1r2 and J0 is the Bessel function of zero order and can be approximated as [1]
J0[|(1ξ)P+ξQ|κ]~114[(1ξ)P+ξQ]2κ2.
On substituting from the relation (11) into Eq. (10), we have
exp[Ψ(r1,ρ1)+Ψ*(r2,ρ2)]=exp{(π2k2z3)[(ρ1ρ2)2+(ρ1ρ2)(r1r2)+(r1r2)2]0κ3Φn(κ)d2κ},
where Φn (κ) is the spatial power spectrum of the refractive-index fluctuations of the turbulent atmosphere. For the simplicity of expression, we set
T=0κ3Φn(κ)d2κ.

We model the turbulence using the van Karman power spectrum, which can describe Kolmogorov (α = 11/3) and non-Kolmogorov (α ≠ 11/3) power spectrum including with inner and outer scales [29,30]

Φn(κ)=A(α)Cn2(κ2+κ02)α/2exp(κ2/κm2).
With this spectrum, T can be expressed in the following form [29,30]
T=A(α)2(α2)Cn2[βκm2αexp(κ02/κm2)Γ1(2α/2,κ02/κm2)2κ04α],3<α<4,
where Γ1 is the incomplete Gamma function, β=2κ022κm2+ακm2, κ0 = 2π/L0 with L0 being the outer scale of turbulence, κm = c(α)/l0 with l0 being the inner scale of turbulence, and
A(α)=14π2Γ(α1)cos(απ/2),c(α)=[2πA(α)3Γ(5α/2)]1/(α5).
The term Cn2 in Eq. (15) is a generalized refractive-index structure parameter with units m3−α, and Γ(·) in Eq. (16) represents the Gamma function.

By inserting from Eqs. (2) and (5) and (6) into Eq. (9), after interchanging the orders of the integrals, we obtain the formula

W(ρ1,ρ2,z)=p(v)P(ρ1,ρ2,v,z)dv,
where we define P(ρ1, ρ2, v, z) as
P(ρ1,ρ2,v,z)=(k2πz)2V0*(r1,v)V0(r2,v)exp[ik2z(r1,ρ1)2+ik2z(r2,ρ2)2]exp{π2k2zT3[(ρ1ρ2)2+(ρ1ρ2)(r1r2)+(r1r2)2]}d2r1d2r2.

Substituting from Eq. (6) into Eq. (18), after a lengthy integral calculation, one obtains

P(ρ1,ρ2,v,z)=w022wz2exp[ik2z(ρ12ρ22)]exp[(w02k28z2+13π2k2zT)(ρ1ρ2)2]×exp{1wz2|i[kw024z(12vz)13π2kz2T](ρ1ρ2)+(ρ1+ρ22)|2},
where
wz2=w022(12vzk)2+(2zkw0)2+4π2z33T.

We obtain the CSD of HNUC beams after propagation by evaluating the integral

W(ρ1,ρ2,z)=p(v)P(ρ1,ρ2,v,z)dv.

The spectral intensity of HNUC beams in the output plane is obtained as

S(ρ,z)=W(ρ,ρ,z).

The spectral degree of coherence of HNUC beams in the output plane is obtained as

μ(ρ1,ρ2,z)=W(ρ1,ρ2,z)W(ρ1,ρ1,z)W(ρ2,ρ2,z).

We can also get the propagation properties of HNUC beams in free space by using Eqs. (19)(23) with T =0.

We use these expressions to study the propagation properties of HNUC beams in free space and turbulent atmosphere by detailed numerical calculations. In the following calculations, we choose the beam parameters and turbulent parameters as λ=632.8nm, m =2, w0=5cm, rc=3cm, L0=1m, l0=1mm, α=11/3 and Cn2=1015m2/3. For convenience, the wavelength was taken to be that of common HeNe-type laser diodes; the results presented here are qualitatively similar for optical communications wavelengths. For these parameters, the Rytov variance at d km satisfies the expression σ2=0.056d11/6. Figure 2 shows the density plot of the normalized intensity and the absolute value of the DOC of HNUC beams upon propagation in free space. For comparison, Fig. 3 shows the density plot of the normalized intensity and the absolute value of the DOC of HNUC beams upon propagation in turbulence. Figure 4 shows the normalized intensity on-axis of HNUC beams propagation in free space and in turbulence for different beam orders.

 

Fig. 2 Density plot of the normalized intensity and the absolute value of the DOC of HNUC beams upon propagation in free space at different distances, for the choice m = 2.

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Fig. 3 Density plot of the normalized intensity and the absolute value of the DOC of HNUC beams upon propagation in turbulence at different distances, for the choice m = 2.

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Fig. 4 Normalized intensity on-axis of HNUC beams propagation (a) in free space (b) in turbulence with rc=3cm for different beam orders.

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One finds from Fig. 2(a) that the distribution of the intensity of HNUC beams satisfies a Gaussian distribution in the source plane and, over short ranges, the size of the beam spot decreases with increasing propagation distance, while at long ranges, the spot size increases. The beam reaches a minimum spot size, and maximum on-axis intensity, when z =1.2km. This self-focusing property is built into the definition of HNUC beams, as can be seen from Eq. (6). The curvature of each mode V0 (r, v) depends on the parameter v, and the average curvature of the combined beam will depend on the mean value of p(v) in Eq. (5). An HNUC beam may therefore be considered an incoherent superposition of beams with different curvatures; a conventional GSM beam in contrast may be described as an incoherent superposition of beams with different tilts.

The coherence of HNUC beams also exhibits striking effects. One finds from Fig. 2(b) that the high-coherence area of HNUC beams is confined to the center of the beam and on two diagonal lines in the source plane. When the beam is propagating in free space, the coverage of the high-coherence area in center reduces and the high-coherence area in two diagonal increases, respectively. With increasing propagation distance, the distribution of the DOC returns to the shape of the DOC in the source plane. Figure 3 shows the behavior of intensity and coherence of HNUCs in turbulence, and we find that HNUC beams still exhibit self-focusing in turbulence; however, the position of the best focus is now earlier in the propagation path, at z =1.1km. From Fig. 3(b), we find that, with increasing propagation distance, the coverage of the high-coherence area reduces gradually along one diagonal (around ρ1=−ρ2). As the propagation distance increases further, the distribution of the CSD becomes spatially quasi-homogeneous, nearly constant along the diagonal lines (ρ2ρ1 = constant).

Fig. 4 shows the how the on-axis intensity depends on both propagation distance and mode order, in both free-space and turbulence. One confirms from Fig. 4(a) that the on-axis intensity of HNUC beams in free space increases over short propagation distances to a maximum, after which it decreases gradually. Furthermore, the peak value of the intensity is larger with increasing beam order, which means the self-focusing property of HNUC beams with large beam order is more dramatic. From Fig. 4(b), it can be seen that not only the peak location is closer to the source plane in turbulence, but that the peak value of the intensity of HNUC beams is smaller than that in free space. We also plot the normalized on-axis intensity of HNUC beams in turbulence for different coherence lengths [see Figs. 5(a)–5(c)]. One finds that, for HNUC beams with low coherence, self-focusing is more obvious, and the corresponding position of the peak value of the intensity is at a shorter distance. Both beam order and source coherence can therefore be used to adjust the focal position.

 

Fig. 5 Normalized intensity on-axis (a)–(c) and scintillation index on-axis (d)–(f) of HNUC beams propagation in turbulence with different beam order and different coherent length.

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4. Scintillation of HNUC beams in turbulent atmosphere

According to [17,23], the scintillation properties of PCBs can be well approximated by a finite number of their constituent modes. Therefore, we study the scintillation properties of HNUC beams in turbulence through the discretized form of Eq. (2):

W(ρ1,ρ2)n=1NAn*(ρ1)An(ρ2),
where
An(ρ)=Δvp(vn)V0(ρ,vn),
N is the number of modes, Δv is the spacing of the modes, and p (vn′) is the weights of these constituent modes. It is expected that HNUC beams can be synthesized by the beamlets specified by Eq. (25) when N approaches infinity. However, a small number of modes can well approximate the exact scintillation. We sample the modes in the interval |v| ≤ 2a, and set Δv = a/30, i.e., the number modes N =61. In this case, we find the simulation is sufficient to converge to the limiting scintillation value. Thus, the scintillation index of HNUC beams is described as following:
σ2(ρ,L)=m=1Nn=1NIm(ρ,L)In(ρ,L)/(n=1NIn(ρ,L))21,
here, I′n(ρ, L) is the instantaneous intensity of the n’th mode on the target plane z =L and < > denotes the average of the realizations of turbulence. In turbulence, 〈In′ (ρ, L)〉 and 〈Im′ (ρ, L)In′ (ρ, L)〉 can be derived within the framework of the Rytov approximation, given by [17, 23]:
In(ρ,L)=|A0n(ρ,L)|2exp{2Re[E1n(ρ,L)]}exp[E2nn(ρ,L)],
Im(ρ,L)In(ρ,L)=Im(ρ,L)In(ρ,L)exp{2Re[E2mn(ρ,L)]}exp{2Re[E3mn(ρ,L)]},
where A0n′ (ρ, L) is the wavefield of the n’th mode in free space; it can be obtained by the generalized Collins formula [17,23]:
A0n(ρ,L)=p(vn)exp(ikL)1+iαnLexp[αnkρ22(1+iαnL)],
where αn=2/(kw02)+i2vn.

The quantities E1n, E2mn and E3mn in Eqs. (25) and (26) are as following [23]:

E1n(ρ,L)=πk20LdzΦn(κ)d2κ,
E2mn(ρ,L)=2πk20Ldzexp[i(γmγn*)κρ]exp[i(γmγn*)(Lz)κ22k]Φn(κ)d2κ,
E3mn(ρ,L)=2πk20Ldzexp[i(γmγn)κρ]exp[i(γmγn)(Lz)κ22k]Φn(κ)d2κ,
where γm′ = (1 + m′ z) /(1 + m′ L) and γn′ = (1 + n′ z) /(1 + n′ L). Φn(κ) is the spatial power spectrum given by Eq. (14).

Now, we can calculate the scintillation index of HNUC beams numerically using Eqs. (26)(32). In the calculations which follow, we also choose the same beam parameters and turbulence parameters as in the last section.

Normalized intensity on-axis and scintillation index on-axis of HNUC beams in turbulence with different beam order and different coherence length are shown in Fig. 5. One finds that the value of scintillation of HNUC beams increases rapidly and is significantly bigger than that of a GSM beam in the short propagation distance. But with further propagation distance, the value of scintillation of HNUC beams decreases rapidly and becomes very small, e.g., we find that in the case of rc=2cm [Figs. 5(a) and 5(d)], after the beam propagating about 0.6km (let us define Zc=0.6km as “Z critical”), the value of scintillation of HNUC beams is smaller than that of a GSM beam, furthermore after Zc, the intensity of HNUC beams is much larger than that of a GSM beam. Comparing with the pink (m =2), blue (m =1) and red (m =0) line in Figs. 5(a) and 5(d), we can also find that the value of scintillation of HNUC beams is small with large beam order after Zc, and the intensity of HNUC beams with large beam order is much larger than that of HNUC beams with small beam order and a GSM beam during Zc. From Figs. 5(d)–(f), we find that Zc is affected by the coherence length of HNUC beams, HNUC beams with small coherence length, its Zc will be short. So we can modulate the coherence length of HNUC beams to satisfy different requirements of propagation distance between a signal transmitter and a receiver, and we also can modulate the beam order to enhance the intensity of the beam in receiver plane and, in the meantime, reduce the negative effect from the turbulence.

Figures 6 and 7 illustrate the effects of modulating beam order and coherence length of HNUC beams in detail. We determine the peak scintillation/intensity value and peak scintillation/intensity position of HNUC beams versus the beam order with different coherence length in Fig. 6/7, respectively. From these Figs, users can determine for themselves which order and coherence length provides optimal results for their application.

 

Fig. 6 Scintillation peak value (a) and scintillation peak position (b) of HNUC beams versus the beam order m different coherent length.

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Fig. 7 Normalized intensity peak value (a) and intensity peak position (b) of HNUC beams versus the beam order m different coherent length.

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We find from Fig. 6(a) that there is no peak scintillation value of HNUC with m =0 and rc=4cm [also find it in Fig. 5(f)]. The reason is the self-focusing property of HNUC beams with high coherence is not very obvious (i.e., small change in size of beam spot), so during the beam’s transmission, the influence from the turbulence is more uniform. From Figs. 6 and 7, one finds the peak value of scintillation increase with larger beam order and higher coherence; the peak value of intensity increase with larger beam order and lower coherence. The peak position of scintillation and intensity decrease with larger beam order and lower coherence.

5. Discussion

It is to be noted that the distance of peak intensity for HNUC beams is strongly correlated with the distance of peak scintillation. For example, in Figs. 5(a) and (d) one can see that the m = 1 and m = 2 beams roughly have maximum intensity and scintillation at z = 0.5km. Because the scintillation drops much more rapidly than the intensity, however, one can readily find distances at which the intensity is higher and the scintillation is significantly lower than a comparable GSM beam; for instance, at z = 0.8km. An appropriate choice of beam order and coherence parameters can therefore make HNUC beams better than GSM beams in both characteristics.

It is also worth mentioning how, at least in principle, such HNUC beams could be generated experimentally. Looking back at Eq. (2), we note that we may interpret v as a random variable with a probability distribution p(v), and the function V0 (r, v) as a coherent Gaussian beam with a random wavefront curvature. A randomized wavefront curvature with appropriate statistics could be implemented using a programmable computer generated hologram, for example.

The class of HNUC beams introduced here therefore provide novel flexibility in controlling the intensity and scintillation of light on propagation through atmospheric turbulence. Such beams show intriguing potential for applications such as free-space optical communications, laser radar, and remote sensing.

Funding

National Natural Science Fund for Distinguished Young Scholar (11525418); National Natural Science Foundation of China (NSFC) (91750201, 11474213, 11774251); Project of the Priority Academic Program Development of Jiangsu Higher Education Institutions; China Postdoctoral Science Foundation (2016M601874); China Scholarship Council (CSC) (201706920103).

References and links

1. L. C. Andrews and R. L. Phillips, Laser beam propagation through random media (SPIE, 2005). [CrossRef]  

2. J. C. Leader, “Intensity fluctuations resulting from partially coherent light propagating through atmospheric turbulence,” J. Opt. Soc. Am. 69(1), 73–84 (1979). [CrossRef]  

3. R. L. Fante, “Intensity fluctuations of an optical wave in a turbulent medium: effect of source coherence,” Opt. Acta 28(9), 1203–1207 (1981). [CrossRef]  

4. V. A. Banakh and V. M. Buldakov, “Effect of the initial degree of spatial coherence of a light beam on intensity fluctuations in a turbulent atmosphere,” Optics and Spectroscopy 55, 423–426 (1983).

5. V. A. Banach, V. M. Buldakov, and V. L. Mironov, “Intensity fluctuations of a partially coherent light beam in a turbulent atmosphere,” Optics and Spectroscopy 54, 626–629 (1983).

6. O. Korotkova, L. C. Andrews, and R. L. Phillips, “Model for a partially coherent Gaussian beam in atmospheric turbulence with application in Lasercom,” Opt. Eng. 43(2), 330–341 (2004). [CrossRef]  

7. G. P. Berman, V. N. Gorshkov, and S. V. Torous, “Scintillation reduction for laser bames propagating through turbulent atmosphere,” J. Phys. B. 44(5), 055402 (2011). [CrossRef]  

8. G. Gbur, “Partially coherent beam propagation in atmospheric turbulence,” J. Opt. Soc. Am. A 31(9), 2038–2045 (2014). [CrossRef]  

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11. Y. Yuan and Y. Cai, “Scintillation index of a flat-topped beam array in a weakly turbulent atmosphere,” J. Opt. 13(12), 125701 (2011). [CrossRef]  

12. F. Wang, X. Liu, L. Liu, Y. Yuan, and Y. Cai, “Experimental study of the scintillation index of a radially polarized beam with controllable spatial coherence,” Appl. Phys. Lett. 103(9), 091102 (2013). [CrossRef]  

13. F. Wang, Y. Cai, H. T. Eyyuboglu, and Y. Baykal, “Twist phase induced reduction in scintillation of a partially coherent beam in turbulent atmosphere,” Opt. Lett. 37(2), 184–186 (2012). [CrossRef]   [PubMed]  

14. X. Liu, Y. Shen, L. Liu, F. Wang, and Y. Cai, “Experimental demonstration of vortex phase-induced reduction in scintillation of a partially coherent beam,” Opt. Lett. 38(24), 5323–5326 (2013). [CrossRef]   [PubMed]  

15. Y. Yuan, X. Liu, F. Wang, Y. Chen, Y. Cai, J. Qu, and H. T. Eyyuboglu, “Scintillation index of a multi-Gaussian Schell-model beam in turbulent atmosphere,” Opt. Commun. 305, 57–65 (2013). [CrossRef]  

16. O. Korotkova, S. Avramov-Zamurovic, C. Nelson, R. Malek-Madani, Y. Gu, and G. Gbur, “Scintillation reduction in multi-Gaussian Schell-model beams propagating in atmospheric turbulence,” Proc. SPIE 9224, 92240M (2014).

17. Y. Gu and G. Gbur, “Scintillation of pseudo-Bessel correlated beams in atmospheric turbulence,” J. Opt. Soc. Am. A 27(12), 2621–2629 (2010). [CrossRef]  

18. X. Liu, J. Yu, Y. Cai, and S. A. Ponomarenko, “Propagation of optical coherence lattices in the turbulent atmosphere,” Opt. Lett. 41(18), 4182–4185 (2016). [CrossRef]   [PubMed]  

19. F. Gori and M. Santarsiero, “Devising genuine spatial correlation functions,” Opt. Lett. 32(24), 3531–3533 (2007). [CrossRef]   [PubMed]  

20. F. Gori, V. Ramírez-Sánchez, M. Santarsiero, and T. Shirai, “On genuine cross-spectral density matrices,” J. Opt. A: Pure Appl. Opt. 11(8), 085706 (2009). [CrossRef]  

21. H. Lajunen and T. Saastamoinen, “Propagation characteristics of partially coherent beams with spatially varying correlations,” Opt. Lett. 36(20), 4104–4106 (2011). [CrossRef]   [PubMed]  

22. Z. Tong and O. Korotkova, “Nonuniformly correlated light beams in uniformly correlated media,” Opt. Lett. 37(15), 3240–3242 (2012). [CrossRef]   [PubMed]  

23. Y. Gu and G. Gbur, “Scintillation of nonuniformly correlated beams in atmospheric turbulence,” Opt. Lett. 38(9), 1395–1397 (2013). [CrossRef]   [PubMed]  

24. X. Jia, M. Tang, and D. Zhao, “Propagation of electromagnetic non-uniformly correlated beams in the oceanic turbulence,” Opt. Commun. 331, 1–5 (2014). [CrossRef]  

25. Z. Tong and O. Korotkova, “Electromagnetic nonuniformly correlated beams,” J. Opt. Soc. Am. A 29(10), 2154–2158 (2012). [CrossRef]  

26. Z. Mei, Z. Tong, and O. Korotkova, “Electromagnetic non-uniformly correlated beams in turbulent atmosphere,” Opt. Express 20(24), 26458–26463 (2012). [CrossRef]   [PubMed]  

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28. C. Ding, Y. Cai, Y. Zhang, H. Wang, Z. Zhao, and L. Pan, “Stochastic electromagnetic planewave pulse with non-uniform correlation distribution,” Phys. Lett. A 377(25–27), 1563–1565 (2013). [CrossRef]  

29. I. Toselli, L. C. Andrews, R. L. Phillips, and V. Ferrero, “Angle of arrival fluctuations for free space laser beam propagation through non-Kolmogorov turbulence,” Proc. SPIE 6551, 65510E (2007). [CrossRef]  

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References

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  1. L. C. Andrews and R. L. Phillips, Laser beam propagation through random media (SPIE, 2005).
    [Crossref]
  2. J. C. Leader, “Intensity fluctuations resulting from partially coherent light propagating through atmospheric turbulence,” J. Opt. Soc. Am. 69(1), 73–84 (1979).
    [Crossref]
  3. R. L. Fante, “Intensity fluctuations of an optical wave in a turbulent medium: effect of source coherence,” Opt. Acta 28(9), 1203–1207 (1981).
    [Crossref]
  4. V. A. Banakh and V. M. Buldakov, “Effect of the initial degree of spatial coherence of a light beam on intensity fluctuations in a turbulent atmosphere,” Optics and Spectroscopy 55, 423–426 (1983).
  5. V. A. Banach, V. M. Buldakov, and V. L. Mironov, “Intensity fluctuations of a partially coherent light beam in a turbulent atmosphere,” Optics and Spectroscopy 54, 626–629 (1983).
  6. O. Korotkova, L. C. Andrews, and R. L. Phillips, “Model for a partially coherent Gaussian beam in atmospheric turbulence with application in Lasercom,” Opt. Eng. 43(2), 330–341 (2004).
    [Crossref]
  7. G. P. Berman, V. N. Gorshkov, and S. V. Torous, “Scintillation reduction for laser bames propagating through turbulent atmosphere,” J. Phys. B. 44(5), 055402 (2011).
    [Crossref]
  8. G. Gbur, “Partially coherent beam propagation in atmospheric turbulence,” J. Opt. Soc. Am. A 31(9), 2038–2045 (2014).
    [Crossref]
  9. G. Gbur and E. Wolf, “Spreading of partially coherent beams in random media,” J. Opt. Soc. Am. A 19(8), 1592–1598 (2002).
    [Crossref]
  10. T. Shirai, A. Dogariu, and E. Wolf, “Mode analysis of spreading of partially coherent beams propagating through atmospheric turbulence,” J. Opt. Soc. Am. A 20(6), 1094–1102 (2003).
    [Crossref]
  11. Y. Yuan and Y. Cai, “Scintillation index of a flat-topped beam array in a weakly turbulent atmosphere,” J. Opt. 13(12), 125701 (2011).
    [Crossref]
  12. F. Wang, X. Liu, L. Liu, Y. Yuan, and Y. Cai, “Experimental study of the scintillation index of a radially polarized beam with controllable spatial coherence,” Appl. Phys. Lett. 103(9), 091102 (2013).
    [Crossref]
  13. F. Wang, Y. Cai, H. T. Eyyuboglu, and Y. Baykal, “Twist phase induced reduction in scintillation of a partially coherent beam in turbulent atmosphere,” Opt. Lett. 37(2), 184–186 (2012).
    [Crossref] [PubMed]
  14. X. Liu, Y. Shen, L. Liu, F. Wang, and Y. Cai, “Experimental demonstration of vortex phase-induced reduction in scintillation of a partially coherent beam,” Opt. Lett. 38(24), 5323–5326 (2013).
    [Crossref] [PubMed]
  15. Y. Yuan, X. Liu, F. Wang, Y. Chen, Y. Cai, J. Qu, and H. T. Eyyuboglu, “Scintillation index of a multi-Gaussian Schell-model beam in turbulent atmosphere,” Opt. Commun. 305, 57–65 (2013).
    [Crossref]
  16. O. Korotkova, S. Avramov-Zamurovic, C. Nelson, R. Malek-Madani, Y. Gu, and G. Gbur, “Scintillation reduction in multi-Gaussian Schell-model beams propagating in atmospheric turbulence,” Proc. SPIE 9224, 92240M (2014).
  17. Y. Gu and G. Gbur, “Scintillation of pseudo-Bessel correlated beams in atmospheric turbulence,” J. Opt. Soc. Am. A 27(12), 2621–2629 (2010).
    [Crossref]
  18. X. Liu, J. Yu, Y. Cai, and S. A. Ponomarenko, “Propagation of optical coherence lattices in the turbulent atmosphere,” Opt. Lett. 41(18), 4182–4185 (2016).
    [Crossref] [PubMed]
  19. F. Gori and M. Santarsiero, “Devising genuine spatial correlation functions,” Opt. Lett. 32(24), 3531–3533 (2007).
    [Crossref] [PubMed]
  20. F. Gori, V. Ramírez-Sánchez, M. Santarsiero, and T. Shirai, “On genuine cross-spectral density matrices,” J. Opt. A: Pure Appl. Opt. 11(8), 085706 (2009).
    [Crossref]
  21. H. Lajunen and T. Saastamoinen, “Propagation characteristics of partially coherent beams with spatially varying correlations,” Opt. Lett. 36(20), 4104–4106 (2011).
    [Crossref] [PubMed]
  22. Z. Tong and O. Korotkova, “Nonuniformly correlated light beams in uniformly correlated media,” Opt. Lett. 37(15), 3240–3242 (2012).
    [Crossref] [PubMed]
  23. Y. Gu and G. Gbur, “Scintillation of nonuniformly correlated beams in atmospheric turbulence,” Opt. Lett. 38(9), 1395–1397 (2013).
    [Crossref] [PubMed]
  24. X. Jia, M. Tang, and D. Zhao, “Propagation of electromagnetic non-uniformly correlated beams in the oceanic turbulence,” Opt. Commun. 331, 1–5 (2014).
    [Crossref]
  25. Z. Tong and O. Korotkova, “Electromagnetic nonuniformly correlated beams,” J. Opt. Soc. Am. A 29(10), 2154–2158 (2012).
    [Crossref]
  26. Z. Mei, Z. Tong, and O. Korotkova, “Electromagnetic non-uniformly correlated beams in turbulent atmosphere,” Opt. Express 20(24), 26458–26463 (2012).
    [Crossref] [PubMed]
  27. H. Lajunen and T. Saastamoinen, “Non-uniformly correlated partially coherent pulses,” Opt. Express 21(1), 190–195 (2013).
    [Crossref] [PubMed]
  28. C. Ding, Y. Cai, Y. Zhang, H. Wang, Z. Zhao, and L. Pan, “Stochastic electromagnetic planewave pulse with non-uniform correlation distribution,” Phys. Lett. A 377(25–27), 1563–1565 (2013).
    [Crossref]
  29. I. Toselli, L. C. Andrews, R. L. Phillips, and V. Ferrero, “Angle of arrival fluctuations for free space laser beam propagation through non-Kolmogorov turbulence,” Proc. SPIE 6551, 65510E (2007).
    [Crossref]
  30. I. Toselli, L. C. Andrews, R. L. Phillips, and V. Ferrero, “Free-space optical system performance for laser beam propagation through non-Kolmogorov turbulence,” Opt. Eng. 47(2), 026003 (2008).
    [Crossref]

2016 (1)

2014 (3)

X. Jia, M. Tang, and D. Zhao, “Propagation of electromagnetic non-uniformly correlated beams in the oceanic turbulence,” Opt. Commun. 331, 1–5 (2014).
[Crossref]

G. Gbur, “Partially coherent beam propagation in atmospheric turbulence,” J. Opt. Soc. Am. A 31(9), 2038–2045 (2014).
[Crossref]

O. Korotkova, S. Avramov-Zamurovic, C. Nelson, R. Malek-Madani, Y. Gu, and G. Gbur, “Scintillation reduction in multi-Gaussian Schell-model beams propagating in atmospheric turbulence,” Proc. SPIE 9224, 92240M (2014).

2013 (6)

X. Liu, Y. Shen, L. Liu, F. Wang, and Y. Cai, “Experimental demonstration of vortex phase-induced reduction in scintillation of a partially coherent beam,” Opt. Lett. 38(24), 5323–5326 (2013).
[Crossref] [PubMed]

Y. Yuan, X. Liu, F. Wang, Y. Chen, Y. Cai, J. Qu, and H. T. Eyyuboglu, “Scintillation index of a multi-Gaussian Schell-model beam in turbulent atmosphere,” Opt. Commun. 305, 57–65 (2013).
[Crossref]

F. Wang, X. Liu, L. Liu, Y. Yuan, and Y. Cai, “Experimental study of the scintillation index of a radially polarized beam with controllable spatial coherence,” Appl. Phys. Lett. 103(9), 091102 (2013).
[Crossref]

Y. Gu and G. Gbur, “Scintillation of nonuniformly correlated beams in atmospheric turbulence,” Opt. Lett. 38(9), 1395–1397 (2013).
[Crossref] [PubMed]

H. Lajunen and T. Saastamoinen, “Non-uniformly correlated partially coherent pulses,” Opt. Express 21(1), 190–195 (2013).
[Crossref] [PubMed]

C. Ding, Y. Cai, Y. Zhang, H. Wang, Z. Zhao, and L. Pan, “Stochastic electromagnetic planewave pulse with non-uniform correlation distribution,” Phys. Lett. A 377(25–27), 1563–1565 (2013).
[Crossref]

2012 (4)

2011 (3)

Y. Yuan and Y. Cai, “Scintillation index of a flat-topped beam array in a weakly turbulent atmosphere,” J. Opt. 13(12), 125701 (2011).
[Crossref]

G. P. Berman, V. N. Gorshkov, and S. V. Torous, “Scintillation reduction for laser bames propagating through turbulent atmosphere,” J. Phys. B. 44(5), 055402 (2011).
[Crossref]

H. Lajunen and T. Saastamoinen, “Propagation characteristics of partially coherent beams with spatially varying correlations,” Opt. Lett. 36(20), 4104–4106 (2011).
[Crossref] [PubMed]

2010 (1)

2009 (1)

F. Gori, V. Ramírez-Sánchez, M. Santarsiero, and T. Shirai, “On genuine cross-spectral density matrices,” J. Opt. A: Pure Appl. Opt. 11(8), 085706 (2009).
[Crossref]

2008 (1)

I. Toselli, L. C. Andrews, R. L. Phillips, and V. Ferrero, “Free-space optical system performance for laser beam propagation through non-Kolmogorov turbulence,” Opt. Eng. 47(2), 026003 (2008).
[Crossref]

2007 (2)

I. Toselli, L. C. Andrews, R. L. Phillips, and V. Ferrero, “Angle of arrival fluctuations for free space laser beam propagation through non-Kolmogorov turbulence,” Proc. SPIE 6551, 65510E (2007).
[Crossref]

F. Gori and M. Santarsiero, “Devising genuine spatial correlation functions,” Opt. Lett. 32(24), 3531–3533 (2007).
[Crossref] [PubMed]

2004 (1)

O. Korotkova, L. C. Andrews, and R. L. Phillips, “Model for a partially coherent Gaussian beam in atmospheric turbulence with application in Lasercom,” Opt. Eng. 43(2), 330–341 (2004).
[Crossref]

2003 (1)

2002 (1)

1983 (2)

V. A. Banakh and V. M. Buldakov, “Effect of the initial degree of spatial coherence of a light beam on intensity fluctuations in a turbulent atmosphere,” Optics and Spectroscopy 55, 423–426 (1983).

V. A. Banach, V. M. Buldakov, and V. L. Mironov, “Intensity fluctuations of a partially coherent light beam in a turbulent atmosphere,” Optics and Spectroscopy 54, 626–629 (1983).

1981 (1)

R. L. Fante, “Intensity fluctuations of an optical wave in a turbulent medium: effect of source coherence,” Opt. Acta 28(9), 1203–1207 (1981).
[Crossref]

1979 (1)

Andrews, L. C.

I. Toselli, L. C. Andrews, R. L. Phillips, and V. Ferrero, “Free-space optical system performance for laser beam propagation through non-Kolmogorov turbulence,” Opt. Eng. 47(2), 026003 (2008).
[Crossref]

I. Toselli, L. C. Andrews, R. L. Phillips, and V. Ferrero, “Angle of arrival fluctuations for free space laser beam propagation through non-Kolmogorov turbulence,” Proc. SPIE 6551, 65510E (2007).
[Crossref]

O. Korotkova, L. C. Andrews, and R. L. Phillips, “Model for a partially coherent Gaussian beam in atmospheric turbulence with application in Lasercom,” Opt. Eng. 43(2), 330–341 (2004).
[Crossref]

L. C. Andrews and R. L. Phillips, Laser beam propagation through random media (SPIE, 2005).
[Crossref]

Avramov-Zamurovic, S.

O. Korotkova, S. Avramov-Zamurovic, C. Nelson, R. Malek-Madani, Y. Gu, and G. Gbur, “Scintillation reduction in multi-Gaussian Schell-model beams propagating in atmospheric turbulence,” Proc. SPIE 9224, 92240M (2014).

Banach, V. A.

V. A. Banach, V. M. Buldakov, and V. L. Mironov, “Intensity fluctuations of a partially coherent light beam in a turbulent atmosphere,” Optics and Spectroscopy 54, 626–629 (1983).

Banakh, V. A.

V. A. Banakh and V. M. Buldakov, “Effect of the initial degree of spatial coherence of a light beam on intensity fluctuations in a turbulent atmosphere,” Optics and Spectroscopy 55, 423–426 (1983).

Baykal, Y.

Berman, G. P.

G. P. Berman, V. N. Gorshkov, and S. V. Torous, “Scintillation reduction for laser bames propagating through turbulent atmosphere,” J. Phys. B. 44(5), 055402 (2011).
[Crossref]

Buldakov, V. M.

V. A. Banakh and V. M. Buldakov, “Effect of the initial degree of spatial coherence of a light beam on intensity fluctuations in a turbulent atmosphere,” Optics and Spectroscopy 55, 423–426 (1983).

V. A. Banach, V. M. Buldakov, and V. L. Mironov, “Intensity fluctuations of a partially coherent light beam in a turbulent atmosphere,” Optics and Spectroscopy 54, 626–629 (1983).

Cai, Y.

X. Liu, J. Yu, Y. Cai, and S. A. Ponomarenko, “Propagation of optical coherence lattices in the turbulent atmosphere,” Opt. Lett. 41(18), 4182–4185 (2016).
[Crossref] [PubMed]

Y. Yuan, X. Liu, F. Wang, Y. Chen, Y. Cai, J. Qu, and H. T. Eyyuboglu, “Scintillation index of a multi-Gaussian Schell-model beam in turbulent atmosphere,” Opt. Commun. 305, 57–65 (2013).
[Crossref]

X. Liu, Y. Shen, L. Liu, F. Wang, and Y. Cai, “Experimental demonstration of vortex phase-induced reduction in scintillation of a partially coherent beam,” Opt. Lett. 38(24), 5323–5326 (2013).
[Crossref] [PubMed]

F. Wang, X. Liu, L. Liu, Y. Yuan, and Y. Cai, “Experimental study of the scintillation index of a radially polarized beam with controllable spatial coherence,” Appl. Phys. Lett. 103(9), 091102 (2013).
[Crossref]

C. Ding, Y. Cai, Y. Zhang, H. Wang, Z. Zhao, and L. Pan, “Stochastic electromagnetic planewave pulse with non-uniform correlation distribution,” Phys. Lett. A 377(25–27), 1563–1565 (2013).
[Crossref]

F. Wang, Y. Cai, H. T. Eyyuboglu, and Y. Baykal, “Twist phase induced reduction in scintillation of a partially coherent beam in turbulent atmosphere,” Opt. Lett. 37(2), 184–186 (2012).
[Crossref] [PubMed]

Y. Yuan and Y. Cai, “Scintillation index of a flat-topped beam array in a weakly turbulent atmosphere,” J. Opt. 13(12), 125701 (2011).
[Crossref]

Chen, Y.

Y. Yuan, X. Liu, F. Wang, Y. Chen, Y. Cai, J. Qu, and H. T. Eyyuboglu, “Scintillation index of a multi-Gaussian Schell-model beam in turbulent atmosphere,” Opt. Commun. 305, 57–65 (2013).
[Crossref]

Ding, C.

C. Ding, Y. Cai, Y. Zhang, H. Wang, Z. Zhao, and L. Pan, “Stochastic electromagnetic planewave pulse with non-uniform correlation distribution,” Phys. Lett. A 377(25–27), 1563–1565 (2013).
[Crossref]

Dogariu, A.

Eyyuboglu, H. T.

Y. Yuan, X. Liu, F. Wang, Y. Chen, Y. Cai, J. Qu, and H. T. Eyyuboglu, “Scintillation index of a multi-Gaussian Schell-model beam in turbulent atmosphere,” Opt. Commun. 305, 57–65 (2013).
[Crossref]

F. Wang, Y. Cai, H. T. Eyyuboglu, and Y. Baykal, “Twist phase induced reduction in scintillation of a partially coherent beam in turbulent atmosphere,” Opt. Lett. 37(2), 184–186 (2012).
[Crossref] [PubMed]

Fante, R. L.

R. L. Fante, “Intensity fluctuations of an optical wave in a turbulent medium: effect of source coherence,” Opt. Acta 28(9), 1203–1207 (1981).
[Crossref]

Ferrero, V.

I. Toselli, L. C. Andrews, R. L. Phillips, and V. Ferrero, “Free-space optical system performance for laser beam propagation through non-Kolmogorov turbulence,” Opt. Eng. 47(2), 026003 (2008).
[Crossref]

I. Toselli, L. C. Andrews, R. L. Phillips, and V. Ferrero, “Angle of arrival fluctuations for free space laser beam propagation through non-Kolmogorov turbulence,” Proc. SPIE 6551, 65510E (2007).
[Crossref]

Gbur, G.

Gori, F.

F. Gori, V. Ramírez-Sánchez, M. Santarsiero, and T. Shirai, “On genuine cross-spectral density matrices,” J. Opt. A: Pure Appl. Opt. 11(8), 085706 (2009).
[Crossref]

F. Gori and M. Santarsiero, “Devising genuine spatial correlation functions,” Opt. Lett. 32(24), 3531–3533 (2007).
[Crossref] [PubMed]

Gorshkov, V. N.

G. P. Berman, V. N. Gorshkov, and S. V. Torous, “Scintillation reduction for laser bames propagating through turbulent atmosphere,” J. Phys. B. 44(5), 055402 (2011).
[Crossref]

Gu, Y.

O. Korotkova, S. Avramov-Zamurovic, C. Nelson, R. Malek-Madani, Y. Gu, and G. Gbur, “Scintillation reduction in multi-Gaussian Schell-model beams propagating in atmospheric turbulence,” Proc. SPIE 9224, 92240M (2014).

Y. Gu and G. Gbur, “Scintillation of nonuniformly correlated beams in atmospheric turbulence,” Opt. Lett. 38(9), 1395–1397 (2013).
[Crossref] [PubMed]

Y. Gu and G. Gbur, “Scintillation of pseudo-Bessel correlated beams in atmospheric turbulence,” J. Opt. Soc. Am. A 27(12), 2621–2629 (2010).
[Crossref]

Jia, X.

X. Jia, M. Tang, and D. Zhao, “Propagation of electromagnetic non-uniformly correlated beams in the oceanic turbulence,” Opt. Commun. 331, 1–5 (2014).
[Crossref]

Korotkova, O.

O. Korotkova, S. Avramov-Zamurovic, C. Nelson, R. Malek-Madani, Y. Gu, and G. Gbur, “Scintillation reduction in multi-Gaussian Schell-model beams propagating in atmospheric turbulence,” Proc. SPIE 9224, 92240M (2014).

Z. Tong and O. Korotkova, “Nonuniformly correlated light beams in uniformly correlated media,” Opt. Lett. 37(15), 3240–3242 (2012).
[Crossref] [PubMed]

Z. Tong and O. Korotkova, “Electromagnetic nonuniformly correlated beams,” J. Opt. Soc. Am. A 29(10), 2154–2158 (2012).
[Crossref]

Z. Mei, Z. Tong, and O. Korotkova, “Electromagnetic non-uniformly correlated beams in turbulent atmosphere,” Opt. Express 20(24), 26458–26463 (2012).
[Crossref] [PubMed]

O. Korotkova, L. C. Andrews, and R. L. Phillips, “Model for a partially coherent Gaussian beam in atmospheric turbulence with application in Lasercom,” Opt. Eng. 43(2), 330–341 (2004).
[Crossref]

Lajunen, H.

Leader, J. C.

Liu, L.

X. Liu, Y. Shen, L. Liu, F. Wang, and Y. Cai, “Experimental demonstration of vortex phase-induced reduction in scintillation of a partially coherent beam,” Opt. Lett. 38(24), 5323–5326 (2013).
[Crossref] [PubMed]

F. Wang, X. Liu, L. Liu, Y. Yuan, and Y. Cai, “Experimental study of the scintillation index of a radially polarized beam with controllable spatial coherence,” Appl. Phys. Lett. 103(9), 091102 (2013).
[Crossref]

Liu, X.

X. Liu, J. Yu, Y. Cai, and S. A. Ponomarenko, “Propagation of optical coherence lattices in the turbulent atmosphere,” Opt. Lett. 41(18), 4182–4185 (2016).
[Crossref] [PubMed]

F. Wang, X. Liu, L. Liu, Y. Yuan, and Y. Cai, “Experimental study of the scintillation index of a radially polarized beam with controllable spatial coherence,” Appl. Phys. Lett. 103(9), 091102 (2013).
[Crossref]

Y. Yuan, X. Liu, F. Wang, Y. Chen, Y. Cai, J. Qu, and H. T. Eyyuboglu, “Scintillation index of a multi-Gaussian Schell-model beam in turbulent atmosphere,” Opt. Commun. 305, 57–65 (2013).
[Crossref]

X. Liu, Y. Shen, L. Liu, F. Wang, and Y. Cai, “Experimental demonstration of vortex phase-induced reduction in scintillation of a partially coherent beam,” Opt. Lett. 38(24), 5323–5326 (2013).
[Crossref] [PubMed]

Malek-Madani, R.

O. Korotkova, S. Avramov-Zamurovic, C. Nelson, R. Malek-Madani, Y. Gu, and G. Gbur, “Scintillation reduction in multi-Gaussian Schell-model beams propagating in atmospheric turbulence,” Proc. SPIE 9224, 92240M (2014).

Mei, Z.

Mironov, V. L.

V. A. Banach, V. M. Buldakov, and V. L. Mironov, “Intensity fluctuations of a partially coherent light beam in a turbulent atmosphere,” Optics and Spectroscopy 54, 626–629 (1983).

Nelson, C.

O. Korotkova, S. Avramov-Zamurovic, C. Nelson, R. Malek-Madani, Y. Gu, and G. Gbur, “Scintillation reduction in multi-Gaussian Schell-model beams propagating in atmospheric turbulence,” Proc. SPIE 9224, 92240M (2014).

Pan, L.

C. Ding, Y. Cai, Y. Zhang, H. Wang, Z. Zhao, and L. Pan, “Stochastic electromagnetic planewave pulse with non-uniform correlation distribution,” Phys. Lett. A 377(25–27), 1563–1565 (2013).
[Crossref]

Phillips, R. L.

I. Toselli, L. C. Andrews, R. L. Phillips, and V. Ferrero, “Free-space optical system performance for laser beam propagation through non-Kolmogorov turbulence,” Opt. Eng. 47(2), 026003 (2008).
[Crossref]

I. Toselli, L. C. Andrews, R. L. Phillips, and V. Ferrero, “Angle of arrival fluctuations for free space laser beam propagation through non-Kolmogorov turbulence,” Proc. SPIE 6551, 65510E (2007).
[Crossref]

O. Korotkova, L. C. Andrews, and R. L. Phillips, “Model for a partially coherent Gaussian beam in atmospheric turbulence with application in Lasercom,” Opt. Eng. 43(2), 330–341 (2004).
[Crossref]

L. C. Andrews and R. L. Phillips, Laser beam propagation through random media (SPIE, 2005).
[Crossref]

Ponomarenko, S. A.

Qu, J.

Y. Yuan, X. Liu, F. Wang, Y. Chen, Y. Cai, J. Qu, and H. T. Eyyuboglu, “Scintillation index of a multi-Gaussian Schell-model beam in turbulent atmosphere,” Opt. Commun. 305, 57–65 (2013).
[Crossref]

Ramírez-Sánchez, V.

F. Gori, V. Ramírez-Sánchez, M. Santarsiero, and T. Shirai, “On genuine cross-spectral density matrices,” J. Opt. A: Pure Appl. Opt. 11(8), 085706 (2009).
[Crossref]

Saastamoinen, T.

Santarsiero, M.

F. Gori, V. Ramírez-Sánchez, M. Santarsiero, and T. Shirai, “On genuine cross-spectral density matrices,” J. Opt. A: Pure Appl. Opt. 11(8), 085706 (2009).
[Crossref]

F. Gori and M. Santarsiero, “Devising genuine spatial correlation functions,” Opt. Lett. 32(24), 3531–3533 (2007).
[Crossref] [PubMed]

Shen, Y.

Shirai, T.

F. Gori, V. Ramírez-Sánchez, M. Santarsiero, and T. Shirai, “On genuine cross-spectral density matrices,” J. Opt. A: Pure Appl. Opt. 11(8), 085706 (2009).
[Crossref]

T. Shirai, A. Dogariu, and E. Wolf, “Mode analysis of spreading of partially coherent beams propagating through atmospheric turbulence,” J. Opt. Soc. Am. A 20(6), 1094–1102 (2003).
[Crossref]

Tang, M.

X. Jia, M. Tang, and D. Zhao, “Propagation of electromagnetic non-uniformly correlated beams in the oceanic turbulence,” Opt. Commun. 331, 1–5 (2014).
[Crossref]

Tong, Z.

Torous, S. V.

G. P. Berman, V. N. Gorshkov, and S. V. Torous, “Scintillation reduction for laser bames propagating through turbulent atmosphere,” J. Phys. B. 44(5), 055402 (2011).
[Crossref]

Toselli, I.

I. Toselli, L. C. Andrews, R. L. Phillips, and V. Ferrero, “Free-space optical system performance for laser beam propagation through non-Kolmogorov turbulence,” Opt. Eng. 47(2), 026003 (2008).
[Crossref]

I. Toselli, L. C. Andrews, R. L. Phillips, and V. Ferrero, “Angle of arrival fluctuations for free space laser beam propagation through non-Kolmogorov turbulence,” Proc. SPIE 6551, 65510E (2007).
[Crossref]

Wang, F.

X. Liu, Y. Shen, L. Liu, F. Wang, and Y. Cai, “Experimental demonstration of vortex phase-induced reduction in scintillation of a partially coherent beam,” Opt. Lett. 38(24), 5323–5326 (2013).
[Crossref] [PubMed]

F. Wang, X. Liu, L. Liu, Y. Yuan, and Y. Cai, “Experimental study of the scintillation index of a radially polarized beam with controllable spatial coherence,” Appl. Phys. Lett. 103(9), 091102 (2013).
[Crossref]

Y. Yuan, X. Liu, F. Wang, Y. Chen, Y. Cai, J. Qu, and H. T. Eyyuboglu, “Scintillation index of a multi-Gaussian Schell-model beam in turbulent atmosphere,” Opt. Commun. 305, 57–65 (2013).
[Crossref]

F. Wang, Y. Cai, H. T. Eyyuboglu, and Y. Baykal, “Twist phase induced reduction in scintillation of a partially coherent beam in turbulent atmosphere,” Opt. Lett. 37(2), 184–186 (2012).
[Crossref] [PubMed]

Wang, H.

C. Ding, Y. Cai, Y. Zhang, H. Wang, Z. Zhao, and L. Pan, “Stochastic electromagnetic planewave pulse with non-uniform correlation distribution,” Phys. Lett. A 377(25–27), 1563–1565 (2013).
[Crossref]

Wolf, E.

Yu, J.

Yuan, Y.

F. Wang, X. Liu, L. Liu, Y. Yuan, and Y. Cai, “Experimental study of the scintillation index of a radially polarized beam with controllable spatial coherence,” Appl. Phys. Lett. 103(9), 091102 (2013).
[Crossref]

Y. Yuan, X. Liu, F. Wang, Y. Chen, Y. Cai, J. Qu, and H. T. Eyyuboglu, “Scintillation index of a multi-Gaussian Schell-model beam in turbulent atmosphere,” Opt. Commun. 305, 57–65 (2013).
[Crossref]

Y. Yuan and Y. Cai, “Scintillation index of a flat-topped beam array in a weakly turbulent atmosphere,” J. Opt. 13(12), 125701 (2011).
[Crossref]

Zhang, Y.

C. Ding, Y. Cai, Y. Zhang, H. Wang, Z. Zhao, and L. Pan, “Stochastic electromagnetic planewave pulse with non-uniform correlation distribution,” Phys. Lett. A 377(25–27), 1563–1565 (2013).
[Crossref]

Zhao, D.

X. Jia, M. Tang, and D. Zhao, “Propagation of electromagnetic non-uniformly correlated beams in the oceanic turbulence,” Opt. Commun. 331, 1–5 (2014).
[Crossref]

Zhao, Z.

C. Ding, Y. Cai, Y. Zhang, H. Wang, Z. Zhao, and L. Pan, “Stochastic electromagnetic planewave pulse with non-uniform correlation distribution,” Phys. Lett. A 377(25–27), 1563–1565 (2013).
[Crossref]

Appl. Phys. Lett. (1)

F. Wang, X. Liu, L. Liu, Y. Yuan, and Y. Cai, “Experimental study of the scintillation index of a radially polarized beam with controllable spatial coherence,” Appl. Phys. Lett. 103(9), 091102 (2013).
[Crossref]

J. Opt. (1)

Y. Yuan and Y. Cai, “Scintillation index of a flat-topped beam array in a weakly turbulent atmosphere,” J. Opt. 13(12), 125701 (2011).
[Crossref]

J. Opt. A: Pure Appl. Opt. (1)

F. Gori, V. Ramírez-Sánchez, M. Santarsiero, and T. Shirai, “On genuine cross-spectral density matrices,” J. Opt. A: Pure Appl. Opt. 11(8), 085706 (2009).
[Crossref]

J. Opt. Soc. Am. (1)

J. Opt. Soc. Am. A (5)

J. Phys. B. (1)

G. P. Berman, V. N. Gorshkov, and S. V. Torous, “Scintillation reduction for laser bames propagating through turbulent atmosphere,” J. Phys. B. 44(5), 055402 (2011).
[Crossref]

Opt. Acta (1)

R. L. Fante, “Intensity fluctuations of an optical wave in a turbulent medium: effect of source coherence,” Opt. Acta 28(9), 1203–1207 (1981).
[Crossref]

Opt. Commun. (2)

Y. Yuan, X. Liu, F. Wang, Y. Chen, Y. Cai, J. Qu, and H. T. Eyyuboglu, “Scintillation index of a multi-Gaussian Schell-model beam in turbulent atmosphere,” Opt. Commun. 305, 57–65 (2013).
[Crossref]

X. Jia, M. Tang, and D. Zhao, “Propagation of electromagnetic non-uniformly correlated beams in the oceanic turbulence,” Opt. Commun. 331, 1–5 (2014).
[Crossref]

Opt. Eng. (2)

I. Toselli, L. C. Andrews, R. L. Phillips, and V. Ferrero, “Free-space optical system performance for laser beam propagation through non-Kolmogorov turbulence,” Opt. Eng. 47(2), 026003 (2008).
[Crossref]

O. Korotkova, L. C. Andrews, and R. L. Phillips, “Model for a partially coherent Gaussian beam in atmospheric turbulence with application in Lasercom,” Opt. Eng. 43(2), 330–341 (2004).
[Crossref]

Opt. Express (2)

Opt. Lett. (7)

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C. Ding, Y. Cai, Y. Zhang, H. Wang, Z. Zhao, and L. Pan, “Stochastic electromagnetic planewave pulse with non-uniform correlation distribution,” Phys. Lett. A 377(25–27), 1563–1565 (2013).
[Crossref]

Proc. SPIE (2)

I. Toselli, L. C. Andrews, R. L. Phillips, and V. Ferrero, “Angle of arrival fluctuations for free space laser beam propagation through non-Kolmogorov turbulence,” Proc. SPIE 6551, 65510E (2007).
[Crossref]

O. Korotkova, S. Avramov-Zamurovic, C. Nelson, R. Malek-Madani, Y. Gu, and G. Gbur, “Scintillation reduction in multi-Gaussian Schell-model beams propagating in atmospheric turbulence,” Proc. SPIE 9224, 92240M (2014).

Other (1)

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[Crossref]

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Figures (7)

Fig. 1
Fig. 1 Density plot of the absolute value of the DOC of HNUC beams for different values of the beam order m with rc=3cm.
Fig. 2
Fig. 2 Density plot of the normalized intensity and the absolute value of the DOC of HNUC beams upon propagation in free space at different distances, for the choice m = 2.
Fig. 3
Fig. 3 Density plot of the normalized intensity and the absolute value of the DOC of HNUC beams upon propagation in turbulence at different distances, for the choice m = 2.
Fig. 4
Fig. 4 Normalized intensity on-axis of HNUC beams propagation (a) in free space (b) in turbulence with rc=3cm for different beam orders.
Fig. 5
Fig. 5 Normalized intensity on-axis (a)–(c) and scintillation index on-axis (d)–(f) of HNUC beams propagation in turbulence with different beam order and different coherent length.
Fig. 6
Fig. 6 Scintillation peak value (a) and scintillation peak position (b) of HNUC beams versus the beam order m different coherent length.
Fig. 7
Fig. 7 Normalized intensity peak value (a) and intensity peak position (b) of HNUC beams versus the beam order m different coherent length.

Equations (32)

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W ( r 1 , r 2 ) = E * ( r 1 ) E ( r 2 ) ,
W ( r 1 , r 2 ) = p ( v ) V 0 * ( r 1 , v ) V 0 ( r 2 , v ) d v ,
p ( v ) = ( π a 2 ) 1 / 2 exp ( v 2 / a 2 ) ,
V 0 ( x , v ) = exp ( x 2 w 0 2 ) exp [ i k ( x x 0 ) 2 v ] ,
p ( v ) = ( 4 π ) 1 / 2 ( 2 a ) 2 m + 1 v 2 m exp ( v 2 a 2 ) ,
V 0 ( r , v ) = exp ( r 2 w 0 2 ) exp ( i k v r 2 ) .
W ( r 1 , r 2 ) = exp ( r 1 2 + r 2 2 w 0 2 ) μ ( r 1 , r 2 ) ,
μ ( r 1 , r 2 ) = G 0 H 2 m ( r 2 2 r 1 2 r c 2 ) exp [ ( r 2 2 r 1 2 ) 2 r c 4 ] ,
W ( ρ 1 , ρ 2 , z ) = ( k 2 π z ) 2 W 0 ( r 1 , r 2 ) exp [ i k 2 z ( r 1 ρ 1 ) 2 + i k 2 z ( r 2 ρ 2 ) 2 ] × exp [ Ψ ( r 1 , ρ 1 ) + Ψ * ( r 2 , ρ 2 ) ] d 2 r 1 d 2 r 2 ,
exp [ Ψ ( r 1 , ρ 1 ) + Ψ * ( r 2 , ρ 2 ) ] = exp { 4 π 2 k 2 z 0 1 0 κ Φ n ( κ ) { 1 J 0 [ | ( 1 ξ ) P + ξ Q | κ ] } } d 2 κ d ξ ,
J 0 [ | ( 1 ξ ) P + ξ Q | κ ] ~ 1 1 4 [ ( 1 ξ ) P + ξ Q ] 2 κ 2 .
exp [ Ψ ( r 1 , ρ 1 ) + Ψ * ( r 2 , ρ 2 ) ] = exp { ( π 2 k 2 z 3 ) [ ( ρ 1 ρ 2 ) 2 + ( ρ 1 ρ 2 ) ( r 1 r 2 ) + ( r 1 r 2 ) 2 ] 0 κ 3 Φ n ( κ ) d 2 κ } ,
T = 0 κ 3 Φ n ( κ ) d 2 κ .
Φ n ( κ ) = A ( α ) C n 2 ( κ 2 + κ 0 2 ) α / 2 exp ( κ 2 / κ m 2 ) .
T = A ( α ) 2 ( α 2 ) C n 2 [ β κ m 2 α exp ( κ 0 2 / κ m 2 ) Γ 1 ( 2 α / 2 , κ 0 2 / κ m 2 ) 2 κ 0 4 α ] , 3 < α < 4 ,
A ( α ) = 1 4 π 2 Γ ( α 1 ) cos ( α π / 2 ) , c ( α ) = [ 2 π A ( α ) 3 Γ ( 5 α / 2 ) ] 1 / ( α 5 ) .
W ( ρ 1 , ρ 2 , z ) = p ( v ) P ( ρ 1 , ρ 2 , v , z ) d v ,
P ( ρ 1 , ρ 2 , v , z ) = ( k 2 π z ) 2 V 0 * ( r 1 , v ) V 0 ( r 2 , v ) exp [ i k 2 z ( r 1 , ρ 1 ) 2 + i k 2 z ( r 2 , ρ 2 ) 2 ] exp { π 2 k 2 z T 3 [ ( ρ 1 ρ 2 ) 2 + ( ρ 1 ρ 2 ) ( r 1 r 2 ) + ( r 1 r 2 ) 2 ] } d 2 r 1 d 2 r 2 .
P ( ρ 1 , ρ 2 , v , z ) = w 0 2 2 w z 2 exp [ i k 2 z ( ρ 1 2 ρ 2 2 ) ] exp [ ( w 0 2 k 2 8 z 2 + 1 3 π 2 k 2 z T ) ( ρ 1 ρ 2 ) 2 ] × exp { 1 w z 2 | i [ k w 0 2 4 z ( 1 2 v z ) 1 3 π 2 k z 2 T ] ( ρ 1 ρ 2 ) + ( ρ 1 + ρ 2 2 ) | 2 } ,
w z 2 = w 0 2 2 ( 1 2 v z k ) 2 + ( 2 z k w 0 ) 2 + 4 π 2 z 3 3 T .
W ( ρ 1 , ρ 2 , z ) = p ( v ) P ( ρ 1 , ρ 2 , v , z ) d v .
S ( ρ , z ) = W ( ρ , ρ , z ) .
μ ( ρ 1 , ρ 2 , z ) = W ( ρ 1 , ρ 2 , z ) W ( ρ 1 , ρ 1 , z ) W ( ρ 2 , ρ 2 , z ) .
W ( ρ 1 , ρ 2 ) n = 1 N A n * ( ρ 1 ) A n ( ρ 2 ) ,
A n ( ρ ) = Δ v p ( v n ) V 0 ( ρ , v n ) ,
σ 2 ( ρ , L ) = m = 1 N n = 1 N I m ( ρ , L ) I n ( ρ , L ) / ( n = 1 N I n ( ρ , L ) ) 2 1 ,
I n ( ρ , L ) = | A 0 n ( ρ , L ) | 2 exp { 2 Re [ E 1 n ( ρ , L ) ] } exp [ E 2 n n ( ρ , L ) ] ,
I m ( ρ , L ) I n ( ρ , L ) = I m ( ρ , L ) I n ( ρ , L ) exp { 2 Re [ E 2 m n ( ρ , L ) ] } exp { 2 Re [ E 3 m n ( ρ , L ) ] } ,
A 0 n ( ρ , L ) = p ( v n ) exp ( i k L ) 1 + i α n L exp [ α n k ρ 2 2 ( 1 + i α n L ) ] ,
E 1 n ( ρ , L ) = π k 2 0 L d z Φ n ( κ ) d 2 κ ,
E 2 m n ( ρ , L ) = 2 π k 2 0 L d z exp [ i ( γ m γ n * ) κ ρ ] exp [ i ( γ m γ n * ) ( L z ) κ 2 2 k ] Φ n ( κ ) d 2 κ ,
E 3 m n ( ρ , L ) = 2 π k 2 0 L d z exp [ i ( γ m γ n ) κ ρ ] exp [ i ( γ m γ n ) ( L z ) κ 2 2 k ] Φ n ( κ ) d 2 κ ,

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