H. T. Li, S. C. Chen, Y. J. Han, and Y. Luo, “A fast feedback method to design easy-molding freeform optical system with uniform illuminance and high light control efficiency,” Opt. Express 21(1), 1258–1269 (2013).

A. Bruneton, A. Bäuerle, R. Wester, J. Stollenwerk, and P. Loosen, “High resolution irradiance tailoring using multiple freeform surfaces,” Opt. Express 21(9), 10563–10571 (2013).

[Crossref]
[PubMed]

K. Wang, Y. J. Han, H. T. Li, and Y. Luo, “Overlapping-based optical freeform surface construction for extended lighting source,” Opt. Express 21(17), 19750–19761 (2013).

[Crossref]
[PubMed]

P. Liu, R. M. Wu, Z. R. Zheng, H. F. Li, and X. Liu, “Optimized design of LED freeform lens for uniform circular illumination,” J. Zhejiang Univ. Sci. C 13(12), 929–936 (2012).

[Crossref]

F. R. Fournier, “A review of beam shaping strategies for LED
lighting,” Proc. SPIE 8170, 817007 (2011).

[Crossref]

Y. Luo, Z. X. Feng, Y. J. Han, and H. T. Li, “Design of compact and smooth free-form optical system with uniform illuminance for LED source,” Opt. Express 18(9), 9055–9063 (2010).

[Crossref]
[PubMed]

K. Wang, F. Chen, Z. Y. Liu, X. B. Luo, and S. Liu, “Design of compact freeform lens for application specific light-emitting diode packaging,” Opt. Express 18(2), 413–425 (2010).

[Crossref]
[PubMed]

F. R. Fournier, W. J. Cassarly, and J. P. Rolland, “Optimization of single reflectors for extended
sources,” Proc. SPIE 7103, 71030I (2008).

[Crossref]

Y. Ding, X. Liu, Z. R. Zheng, and P. F. Gu, “Freeform LED lens for uniform illumination,” Opt. Express 16(17), 12958–12966 (2008).

[Crossref]
[PubMed]

P. Benítez, J. C. Miňano, J. Blen, R. Mohedano, J. Chaves, O. Dross, M. Hernández, and W. Falicoff, “Simultaneous multiple surface optical design method in three dimensions,” Opt. Eng. 43(7), 1489–1502 (2004).

[Crossref]

W. A. Parkyn, “The design of illumination lenses via extrinsic differential geometry,” Proc. SPIE 3482, 191–193 (1998).

[Crossref]

P. Benítez, J. C. Miňano, J. Blen, R. Mohedano, J. Chaves, O. Dross, M. Hernández, and W. Falicoff, “Simultaneous multiple surface optical design method in three dimensions,” Opt. Eng. 43(7), 1489–1502 (2004).

[Crossref]

P. Benítez, J. C. Miňano, J. Blen, R. Mohedano, J. Chaves, O. Dross, M. Hernández, and W. Falicoff, “Simultaneous multiple surface optical design method in three dimensions,” Opt. Eng. 43(7), 1489–1502 (2004).

[Crossref]

F. R. Fournier, W. J. Cassarly, and J. P. Rolland, “Optimization of single reflectors for extended
sources,” Proc. SPIE 7103, 71030I (2008).

[Crossref]

P. Benítez, J. C. Miňano, J. Blen, R. Mohedano, J. Chaves, O. Dross, M. Hernández, and W. Falicoff, “Simultaneous multiple surface optical design method in three dimensions,” Opt. Eng. 43(7), 1489–1502 (2004).

[Crossref]

P. Benítez, J. C. Miňano, J. Blen, R. Mohedano, J. Chaves, O. Dross, M. Hernández, and W. Falicoff, “Simultaneous multiple surface optical design method in three dimensions,” Opt. Eng. 43(7), 1489–1502 (2004).

[Crossref]

P. Benítez, J. C. Miňano, J. Blen, R. Mohedano, J. Chaves, O. Dross, M. Hernández, and W. Falicoff, “Simultaneous multiple surface optical design method in three dimensions,” Opt. Eng. 43(7), 1489–1502 (2004).

[Crossref]

F. R. Fournier, “A review of beam shaping strategies for LED
lighting,” Proc. SPIE 8170, 817007 (2011).

[Crossref]

F. R. Fournier, W. J. Cassarly, and J. P. Rolland, “Optimization of single reflectors for extended
sources,” Proc. SPIE 7103, 71030I (2008).

[Crossref]

X. L. Mao, H. T. Li, Y. J. Han, and Y. Luo, “A two-step design method for high compact rotationally symmetric optical system for LED surface light source,” Opt. Express 22(S2Suppl 2), A233–A247 (2014).

[Crossref]
[PubMed]

K. Wang, Y. J. Han, H. T. Li, and Y. Luo, “Overlapping-based optical freeform surface construction for extended lighting source,” Opt. Express 21(17), 19750–19761 (2013).

[Crossref]
[PubMed]

H. T. Li, S. C. Chen, Y. J. Han, and Y. Luo, “A fast feedback method to design easy-molding freeform optical system with uniform illuminance and high light control efficiency,” Opt. Express 21(1), 1258–1269 (2013).

Y. Luo, Z. X. Feng, Y. J. Han, and H. T. Li, “Design of compact and smooth free-form optical system with uniform illuminance for LED source,” Opt. Express 18(9), 9055–9063 (2010).

[Crossref]
[PubMed]

P. Benítez, J. C. Miňano, J. Blen, R. Mohedano, J. Chaves, O. Dross, M. Hernández, and W. Falicoff, “Simultaneous multiple surface optical design method in three dimensions,” Opt. Eng. 43(7), 1489–1502 (2004).

[Crossref]

P. Liu, R. M. Wu, Z. R. Zheng, H. F. Li, and X. Liu, “Optimized design of LED freeform lens for uniform circular illumination,” J. Zhejiang Univ. Sci. C 13(12), 929–936 (2012).

[Crossref]

X. L. Mao, H. T. Li, Y. J. Han, and Y. Luo, “A two-step design method for high compact rotationally symmetric optical system for LED surface light source,” Opt. Express 22(S2Suppl 2), A233–A247 (2014).

[Crossref]
[PubMed]

K. Wang, Y. J. Han, H. T. Li, and Y. Luo, “Overlapping-based optical freeform surface construction for extended lighting source,” Opt. Express 21(17), 19750–19761 (2013).

[Crossref]
[PubMed]

H. T. Li, S. C. Chen, Y. J. Han, and Y. Luo, “A fast feedback method to design easy-molding freeform optical system with uniform illuminance and high light control efficiency,” Opt. Express 21(1), 1258–1269 (2013).

Y. Luo, Z. X. Feng, Y. J. Han, and H. T. Li, “Design of compact and smooth free-form optical system with uniform illuminance for LED source,” Opt. Express 18(9), 9055–9063 (2010).

[Crossref]
[PubMed]

P. Liu, R. M. Wu, Z. R. Zheng, H. F. Li, and X. Liu, “Optimized design of LED freeform lens for uniform circular illumination,” J. Zhejiang Univ. Sci. C 13(12), 929–936 (2012).

[Crossref]

P. Liu, R. M. Wu, Z. R. Zheng, H. F. Li, and X. Liu, “Optimized design of LED freeform lens for uniform circular illumination,” J. Zhejiang Univ. Sci. C 13(12), 929–936 (2012).

[Crossref]

Y. Ding, X. Liu, Z. R. Zheng, and P. F. Gu, “Freeform LED lens for uniform illumination,” Opt. Express 16(17), 12958–12966 (2008).

[Crossref]
[PubMed]

X. L. Mao, H. T. Li, Y. J. Han, and Y. Luo, “A two-step design method for high compact rotationally symmetric optical system for LED surface light source,” Opt. Express 22(S2Suppl 2), A233–A247 (2014).

[Crossref]
[PubMed]

K. Wang, Y. J. Han, H. T. Li, and Y. Luo, “Overlapping-based optical freeform surface construction for extended lighting source,” Opt. Express 21(17), 19750–19761 (2013).

[Crossref]
[PubMed]

H. T. Li, S. C. Chen, Y. J. Han, and Y. Luo, “A fast feedback method to design easy-molding freeform optical system with uniform illuminance and high light control efficiency,” Opt. Express 21(1), 1258–1269 (2013).

Y. Luo, Z. X. Feng, Y. J. Han, and H. T. Li, “Design of compact and smooth free-form optical system with uniform illuminance for LED source,” Opt. Express 18(9), 9055–9063 (2010).

[Crossref]
[PubMed]

L. Wang, K. Qian, and Y. Luo, “Discontinuous free-form lens design for prescribed irradiance,” Appl. Opt. 46(18), 3716–3723 (2007).

[Crossref]
[PubMed]

P. Benítez, J. C. Miňano, J. Blen, R. Mohedano, J. Chaves, O. Dross, M. Hernández, and W. Falicoff, “Simultaneous multiple surface optical design method in three dimensions,” Opt. Eng. 43(7), 1489–1502 (2004).

[Crossref]

P. Benítez, J. C. Miňano, J. Blen, R. Mohedano, J. Chaves, O. Dross, M. Hernández, and W. Falicoff, “Simultaneous multiple surface optical design method in three dimensions,” Opt. Eng. 43(7), 1489–1502 (2004).

[Crossref]

W. A. Parkyn, “The design of illumination lenses via extrinsic differential geometry,” Proc. SPIE 3482, 191–193 (1998).

[Crossref]

F. R. Fournier, W. J. Cassarly, and J. P. Rolland, “Optimization of single reflectors for extended
sources,” Proc. SPIE 7103, 71030I (2008).

[Crossref]

K. Wang, Y. J. Han, H. T. Li, and Y. Luo, “Overlapping-based optical freeform surface construction for extended lighting source,” Opt. Express 21(17), 19750–19761 (2013).

[Crossref]
[PubMed]

K. Wang, F. Chen, Z. Y. Liu, X. B. Luo, and S. Liu, “Design of compact freeform lens for application specific light-emitting diode packaging,” Opt. Express 18(2), 413–425 (2010).

[Crossref]
[PubMed]

P. Liu, R. M. Wu, Z. R. Zheng, H. F. Li, and X. Liu, “Optimized design of LED freeform lens for uniform circular illumination,” J. Zhejiang Univ. Sci. C 13(12), 929–936 (2012).

[Crossref]

P. Liu, R. M. Wu, Z. R. Zheng, H. F. Li, and X. Liu, “Optimized design of LED freeform lens for uniform circular illumination,” J. Zhejiang Univ. Sci. C 13(12), 929–936 (2012).

[Crossref]

Y. Ding, X. Liu, Z. R. Zheng, and P. F. Gu, “Freeform LED lens for uniform illumination,” Opt. Express 16(17), 12958–12966 (2008).

[Crossref]
[PubMed]

P. Liu, R. M. Wu, Z. R. Zheng, H. F. Li, and X. Liu, “Optimized design of LED freeform lens for uniform circular illumination,” J. Zhejiang Univ. Sci. C 13(12), 929–936 (2012).

[Crossref]

P. Benítez, J. C. Miňano, J. Blen, R. Mohedano, J. Chaves, O. Dross, M. Hernández, and W. Falicoff, “Simultaneous multiple surface optical design method in three dimensions,” Opt. Eng. 43(7), 1489–1502 (2004).

[Crossref]

Y. Luo, Z. X. Feng, Y. J. Han, and H. T. Li, “Design of compact and smooth free-form optical system with uniform illuminance for LED source,” Opt. Express 18(9), 9055–9063 (2010).

[Crossref]
[PubMed]

K. Wang, F. Chen, Z. Y. Liu, X. B. Luo, and S. Liu, “Design of compact freeform lens for application specific light-emitting diode packaging,” Opt. Express 18(2), 413–425 (2010).

[Crossref]
[PubMed]

H. T. Li, S. C. Chen, Y. J. Han, and Y. Luo, “A fast feedback method to design easy-molding freeform optical system with uniform illuminance and high light control efficiency,” Opt. Express 21(1), 1258–1269 (2013).

A. Bruneton, A. Bäuerle, R. Wester, J. Stollenwerk, and P. Loosen, “High resolution irradiance tailoring using multiple freeform surfaces,” Opt. Express 21(9), 10563–10571 (2013).

[Crossref]
[PubMed]

K. Wang, Y. J. Han, H. T. Li, and Y. Luo, “Overlapping-based optical freeform surface construction for extended lighting source,” Opt. Express 21(17), 19750–19761 (2013).

[Crossref]
[PubMed]

X. L. Mao, H. T. Li, Y. J. Han, and Y. Luo, “A two-step design method for high compact rotationally symmetric optical system for LED surface light source,” Opt. Express 22(S2Suppl 2), A233–A247 (2014).

[Crossref]
[PubMed]

Y. Ding, X. Liu, Z. R. Zheng, and P. F. Gu, “Freeform LED lens for uniform illumination,” Opt. Express 16(17), 12958–12966 (2008).

[Crossref]
[PubMed]

F. R. Fournier, W. J. Cassarly, and J. P. Rolland, “Optimization of single reflectors for extended
sources,” Proc. SPIE 7103, 71030I (2008).

[Crossref]

F. R. Fournier, “A review of beam shaping strategies for LED
lighting,” Proc. SPIE 8170, 817007 (2011).

[Crossref]

W. A. Parkyn, “The design of illumination lenses via extrinsic differential geometry,” Proc. SPIE 3482, 191–193 (1998).

[Crossref]

Cree LED products, “Cree XLamp LEDs” (CREE 2013). http://www.cree.com/led-components-and-modules/products/xlamp

R. Winston, J. C. Miñano, P. Benítez, with contributions by N. Shatz, and J. C. Bortz, Nonimaging Optics (Elsevier, 2005), Chap. 7.

M. S. Rea, The IESNA Lighting Handbook: Reference and Application, 9th ed. (IESNA, 2000).