Abstract

Lowering the quantum defect by tandem pumping with fiber lasers at 1018nm was critical for achieving the record 10kW single-mode ytterbium fiber laser. Here we report the demonstration of an efficient directly-diode-pumped single-mode ytterbium fiber laser with 240W at 1018nm. The key for the combination of high efficiency, high power and single-mode at 1018nm is an ytterbium-doped 50μm/400μm all-solid photonic bandgap fiber, which has a practical all-solid design and a pump cladding much larger than those used in previous demonstrations of single-mode 1018nm ytterbium fiber lasers, enabling higher pump powers. Efficient high-power single-mode 1018nm fiber laser is critical for further power scaling of fiber lasers and the all-solid photonic bandgap fiber can potentially be a significant enabling technology.

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

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  1. V. Fomin, M. Abramov, A. Ferin, A. Abramov, D. Mochalov, N. Platonov, and V. Gapontsev, “10 kW singlemode fiber laser,” in 5th International Symposium on High-Power Fiber Lasers and Their Applications (2010).
  2. V. Khitrov, J. D. Minelly, R. Tumminelli, V. Petit, and E. S. Pooler, “3kW single-mode direct diode-pumped fiber laser,” Proc. SPIE 8961, 89610V (2014).
    [Crossref]
  3. F. Beier, C. Hupel, J. Nold, S. Kuhn, S. Hein, J. Ihring, B. Sattler, N. Haarlammert, T. Schreiber, R. Eberhardt, and A. Tünnermann, “Narrow linewidth, single mode 3 kW average power from a directly diode pumped ytterbium-doped low NA fiber amplifier,” Opt. Express 24(6), 6011–6020 (2016).
    [Crossref] [PubMed]
  4. C. X. Yu, O. Shatrovoy, T. Y. Fan, and T. F. Taunay, “Diode-pumped narrow linewidth multi-kilowatt metalized Yb fiber amplifier,” Opt. Lett. 41(22), 5202–5205 (2016).
    [Crossref] [PubMed]
  5. F. Beier, C. Hupel, S. Kuhn, S. Hein, J. Nold, F. Proske, B. Sattler, A. Liem, C. Jauregui, J. Limpert, N. Haarlammert, T. Schreiber, R. Eberhardt, and A. Tünnermann, “Single mode 4.3 kW output power from a diode-pumped Yb-doped fiber amplifier,” Opt. Express 25(13), 14892–14899 (2017).
    [Crossref] [PubMed]
  6. T. Eidam, C. Wirth, C. Jauregui, F. Stutzki, F. Jansen, H. J. Otto, O. Schmidt, T. Schreiber, J. Limpert, and A. Tünnermann, “Experimental observations of the threshold-like onset of mode instabilities in high power fiber amplifiers,” Opt. Express 19(14), 13218–13224 (2011).
    [Crossref] [PubMed]
  7. A. V. Smith and J. J. Smith, “Mode instability in high power fiber amplifiers,” Opt. Express 19(11), 10180–10192 (2011).
    [Crossref] [PubMed]
  8. L. Dong, “Stimulated thermal Rayleigh scattering in optical fibers,” Opt. Express 21(3), 2642–2656 (2013).
    [Crossref] [PubMed]
  9. F. Kong, K. Saitoh, D. Mcclane, T. Hawkins, P. Foy, G. Gu, and L. Dong, “Mode Area Scaling With All-solid Photonic Bandgap Fibers,” Opt. Express 20(24), 26363–26372 (2012).
    [Crossref] [PubMed]
  10. G. Gu, F. Kong, T. Hawkins, J. Parsons, M. Jones, C. Dunn, M. T. Kalichevsky-Dong, K. Saitoh, and L. Dong, “Ytterbium-doped large-mode-area all-solid photonic bandgap fiber lasers,” Opt. Express 22(11), 13962–13968 (2014).
    [Crossref] [PubMed]
  11. G. Gu, F. Kong, T. W. Hawkins, M. Jones, and L. Dong, “Extending Mode Areas of Single-mode All-solid Photonic Bandgap Fibers,” Opt. Express 23(7), 9147–9156 (2015).
    [Crossref] [PubMed]
  12. L. Dong, F. Kong, G. Gu, T. W. Hawkins, M. Jones, J. Parsons, M. T. Kalichevsky-Dong, K. Saitoh, B. Pulford, and I. Dajani, “Large-Mode-Area All-Solid Photonic Bandgap Fibers for the Mitigation of Optical Nonlinearities,” IEEE J. Sel. Top. Quantum Electron. 22(2), 4900207 (2016).
    [Crossref]
  13. F. Kong, G. Gu, T.W. Hawkins, M. Jones, J. Parsons, M.T. Kalichevsky-Dong, B. Pulford, I. Dajani, and L. Dong, “~ 1 kilowatt Ytterbium-doped all-solid photonic bandgap fiber laser,” presented at PhotonicsWest, (San Francisco, USA, 2017), paper 10083–36.
  14. H. Xiao, P. Zhou, X. L. Wang, S. F. Guo, and X. J. Xu, “High power 1018 nm monolithic Yb3+-doped fiber laser and amplifier,” Laser Phys. Lett. 9(10), 748–753 (2012).
    [Crossref]
  15. H. Xiao, P. Zhou, X. L. Wang, X. J. Xu, and Z. J. Liu, “High power 1018 nm ytterbium doped fiber laser with an output power of 309 W,” Laser Phys. Lett. 10(6), 065102 (2013).
    [Crossref]
  16. H. Xiao, J. Leng, H. Zhang, L. Huang, J. Xu, and P. Zhou, “High-power 1018 nm ytterbium-doped fiber laser and its application in tandem pump,” Appl. Opt. 54(27), 8166–8169 (2015).
    [Crossref] [PubMed]
  17. C. P. Seah, T.Y. Ng, and S.L. Chua, “400W Ytterbium-doped fiber oscillator at 1018nm,” in Advanced Solid State Lasers (2015), paper ATu2A.33.
  18. P. Yan, X. Wang, D. Li, Y. Huang, J. Sun, Q. Xiao, and M. Gong, “High-power 1018 nm ytterbium-doped fiber laser with output of 805 W,” Opt. Lett. 42(7), 1193–1196 (2017).
    [Crossref] [PubMed]
  19. C. Ottenhues, T. Theeg, K. Hausmann, M. Wysmolek, H. Sayinc, J. Neumann, and D. Kracht, “Single-mode monolithic fiber laser with 200 W output power at a wavelength of 1018 nm,” Opt. Lett. 40(21), 4851–4854 (2015).
    [Crossref] [PubMed]
  20. Y. Glick, Y. Sintov, R. Zuitlin, S. Pearl, Y. Shamir, R. Feldman, Z. Horvitz, and N. Shafir, “Single-mode 230 W output power 1018 nm fiber laser and ASE competition suppression,” J. Opt. Soc. Am. B 33(7), 1392–1398 (2016).
    [Crossref]
  21. F. Beier, H.-J. Otto, C. Jauregui, O. de Vries, T. Schreiber, J. Limpert, R. Eberhardt, and A. Tünnermann, “1009 nm continuous-wave ytterbium-doped fiber amplifier emitting 146 W,” Opt. Lett. 39(13), 3725–3727 (2014).
    [Crossref] [PubMed]
  22. S. Suzuki, H. A. McKay, X. Peng, L. Fu, and L. Dong, “Highly ytterbium-doped silica fibers with low photo-darkening,” Opt. Express 17(12), 9924–9932 (2009).
    [Crossref] [PubMed]
  23. H. Injeyan and G. D. Goodno, High Power Laser Handbook (McGraw Hill, 2011), chap. 18.

2017 (2)

2016 (4)

2015 (3)

2014 (3)

2013 (2)

L. Dong, “Stimulated thermal Rayleigh scattering in optical fibers,” Opt. Express 21(3), 2642–2656 (2013).
[Crossref] [PubMed]

H. Xiao, P. Zhou, X. L. Wang, X. J. Xu, and Z. J. Liu, “High power 1018 nm ytterbium doped fiber laser with an output power of 309 W,” Laser Phys. Lett. 10(6), 065102 (2013).
[Crossref]

2012 (2)

H. Xiao, P. Zhou, X. L. Wang, S. F. Guo, and X. J. Xu, “High power 1018 nm monolithic Yb3+-doped fiber laser and amplifier,” Laser Phys. Lett. 9(10), 748–753 (2012).
[Crossref]

F. Kong, K. Saitoh, D. Mcclane, T. Hawkins, P. Foy, G. Gu, and L. Dong, “Mode Area Scaling With All-solid Photonic Bandgap Fibers,” Opt. Express 20(24), 26363–26372 (2012).
[Crossref] [PubMed]

2011 (2)

2009 (1)

Abramov, A.

V. Fomin, M. Abramov, A. Ferin, A. Abramov, D. Mochalov, N. Platonov, and V. Gapontsev, “10 kW singlemode fiber laser,” in 5th International Symposium on High-Power Fiber Lasers and Their Applications (2010).

Abramov, M.

V. Fomin, M. Abramov, A. Ferin, A. Abramov, D. Mochalov, N. Platonov, and V. Gapontsev, “10 kW singlemode fiber laser,” in 5th International Symposium on High-Power Fiber Lasers and Their Applications (2010).

Beier, F.

Chua, S.L.

C. P. Seah, T.Y. Ng, and S.L. Chua, “400W Ytterbium-doped fiber oscillator at 1018nm,” in Advanced Solid State Lasers (2015), paper ATu2A.33.

Dajani, I.

L. Dong, F. Kong, G. Gu, T. W. Hawkins, M. Jones, J. Parsons, M. T. Kalichevsky-Dong, K. Saitoh, B. Pulford, and I. Dajani, “Large-Mode-Area All-Solid Photonic Bandgap Fibers for the Mitigation of Optical Nonlinearities,” IEEE J. Sel. Top. Quantum Electron. 22(2), 4900207 (2016).
[Crossref]

de Vries, O.

Dong, L.

Dunn, C.

Eberhardt, R.

Eidam, T.

Fan, T. Y.

Feldman, R.

Ferin, A.

V. Fomin, M. Abramov, A. Ferin, A. Abramov, D. Mochalov, N. Platonov, and V. Gapontsev, “10 kW singlemode fiber laser,” in 5th International Symposium on High-Power Fiber Lasers and Their Applications (2010).

Fomin, V.

V. Fomin, M. Abramov, A. Ferin, A. Abramov, D. Mochalov, N. Platonov, and V. Gapontsev, “10 kW singlemode fiber laser,” in 5th International Symposium on High-Power Fiber Lasers and Their Applications (2010).

Foy, P.

Fu, L.

Gapontsev, V.

V. Fomin, M. Abramov, A. Ferin, A. Abramov, D. Mochalov, N. Platonov, and V. Gapontsev, “10 kW singlemode fiber laser,” in 5th International Symposium on High-Power Fiber Lasers and Their Applications (2010).

Glick, Y.

Gong, M.

Gu, G.

Guo, S. F.

H. Xiao, P. Zhou, X. L. Wang, S. F. Guo, and X. J. Xu, “High power 1018 nm monolithic Yb3+-doped fiber laser and amplifier,” Laser Phys. Lett. 9(10), 748–753 (2012).
[Crossref]

Haarlammert, N.

Hausmann, K.

Hawkins, T.

Hawkins, T. W.

L. Dong, F. Kong, G. Gu, T. W. Hawkins, M. Jones, J. Parsons, M. T. Kalichevsky-Dong, K. Saitoh, B. Pulford, and I. Dajani, “Large-Mode-Area All-Solid Photonic Bandgap Fibers for the Mitigation of Optical Nonlinearities,” IEEE J. Sel. Top. Quantum Electron. 22(2), 4900207 (2016).
[Crossref]

G. Gu, F. Kong, T. W. Hawkins, M. Jones, and L. Dong, “Extending Mode Areas of Single-mode All-solid Photonic Bandgap Fibers,” Opt. Express 23(7), 9147–9156 (2015).
[Crossref] [PubMed]

Hein, S.

Horvitz, Z.

Huang, L.

Huang, Y.

Hupel, C.

Ihring, J.

Jansen, F.

Jauregui, C.

Jones, M.

Kalichevsky-Dong, M. T.

L. Dong, F. Kong, G. Gu, T. W. Hawkins, M. Jones, J. Parsons, M. T. Kalichevsky-Dong, K. Saitoh, B. Pulford, and I. Dajani, “Large-Mode-Area All-Solid Photonic Bandgap Fibers for the Mitigation of Optical Nonlinearities,” IEEE J. Sel. Top. Quantum Electron. 22(2), 4900207 (2016).
[Crossref]

G. Gu, F. Kong, T. Hawkins, J. Parsons, M. Jones, C. Dunn, M. T. Kalichevsky-Dong, K. Saitoh, and L. Dong, “Ytterbium-doped large-mode-area all-solid photonic bandgap fiber lasers,” Opt. Express 22(11), 13962–13968 (2014).
[Crossref] [PubMed]

Khitrov, V.

V. Khitrov, J. D. Minelly, R. Tumminelli, V. Petit, and E. S. Pooler, “3kW single-mode direct diode-pumped fiber laser,” Proc. SPIE 8961, 89610V (2014).
[Crossref]

Kong, F.

Kracht, D.

Kuhn, S.

Leng, J.

Li, D.

Liem, A.

Limpert, J.

Liu, Z. J.

H. Xiao, P. Zhou, X. L. Wang, X. J. Xu, and Z. J. Liu, “High power 1018 nm ytterbium doped fiber laser with an output power of 309 W,” Laser Phys. Lett. 10(6), 065102 (2013).
[Crossref]

Mcclane, D.

McKay, H. A.

Minelly, J. D.

V. Khitrov, J. D. Minelly, R. Tumminelli, V. Petit, and E. S. Pooler, “3kW single-mode direct diode-pumped fiber laser,” Proc. SPIE 8961, 89610V (2014).
[Crossref]

Mochalov, D.

V. Fomin, M. Abramov, A. Ferin, A. Abramov, D. Mochalov, N. Platonov, and V. Gapontsev, “10 kW singlemode fiber laser,” in 5th International Symposium on High-Power Fiber Lasers and Their Applications (2010).

Neumann, J.

Ng, T.Y.

C. P. Seah, T.Y. Ng, and S.L. Chua, “400W Ytterbium-doped fiber oscillator at 1018nm,” in Advanced Solid State Lasers (2015), paper ATu2A.33.

Nold, J.

Ottenhues, C.

Otto, H. J.

Otto, H.-J.

Parsons, J.

L. Dong, F. Kong, G. Gu, T. W. Hawkins, M. Jones, J. Parsons, M. T. Kalichevsky-Dong, K. Saitoh, B. Pulford, and I. Dajani, “Large-Mode-Area All-Solid Photonic Bandgap Fibers for the Mitigation of Optical Nonlinearities,” IEEE J. Sel. Top. Quantum Electron. 22(2), 4900207 (2016).
[Crossref]

G. Gu, F. Kong, T. Hawkins, J. Parsons, M. Jones, C. Dunn, M. T. Kalichevsky-Dong, K. Saitoh, and L. Dong, “Ytterbium-doped large-mode-area all-solid photonic bandgap fiber lasers,” Opt. Express 22(11), 13962–13968 (2014).
[Crossref] [PubMed]

Pearl, S.

Peng, X.

Petit, V.

V. Khitrov, J. D. Minelly, R. Tumminelli, V. Petit, and E. S. Pooler, “3kW single-mode direct diode-pumped fiber laser,” Proc. SPIE 8961, 89610V (2014).
[Crossref]

Platonov, N.

V. Fomin, M. Abramov, A. Ferin, A. Abramov, D. Mochalov, N. Platonov, and V. Gapontsev, “10 kW singlemode fiber laser,” in 5th International Symposium on High-Power Fiber Lasers and Their Applications (2010).

Pooler, E. S.

V. Khitrov, J. D. Minelly, R. Tumminelli, V. Petit, and E. S. Pooler, “3kW single-mode direct diode-pumped fiber laser,” Proc. SPIE 8961, 89610V (2014).
[Crossref]

Proske, F.

Pulford, B.

L. Dong, F. Kong, G. Gu, T. W. Hawkins, M. Jones, J. Parsons, M. T. Kalichevsky-Dong, K. Saitoh, B. Pulford, and I. Dajani, “Large-Mode-Area All-Solid Photonic Bandgap Fibers for the Mitigation of Optical Nonlinearities,” IEEE J. Sel. Top. Quantum Electron. 22(2), 4900207 (2016).
[Crossref]

Saitoh, K.

Sattler, B.

Sayinc, H.

Schmidt, O.

Schreiber, T.

Seah, C. P.

C. P. Seah, T.Y. Ng, and S.L. Chua, “400W Ytterbium-doped fiber oscillator at 1018nm,” in Advanced Solid State Lasers (2015), paper ATu2A.33.

Shafir, N.

Shamir, Y.

Shatrovoy, O.

Sintov, Y.

Smith, A. V.

Smith, J. J.

Stutzki, F.

Sun, J.

Suzuki, S.

Taunay, T. F.

Theeg, T.

Tumminelli, R.

V. Khitrov, J. D. Minelly, R. Tumminelli, V. Petit, and E. S. Pooler, “3kW single-mode direct diode-pumped fiber laser,” Proc. SPIE 8961, 89610V (2014).
[Crossref]

Tünnermann, A.

Wang, X.

Wang, X. L.

H. Xiao, P. Zhou, X. L. Wang, X. J. Xu, and Z. J. Liu, “High power 1018 nm ytterbium doped fiber laser with an output power of 309 W,” Laser Phys. Lett. 10(6), 065102 (2013).
[Crossref]

H. Xiao, P. Zhou, X. L. Wang, S. F. Guo, and X. J. Xu, “High power 1018 nm monolithic Yb3+-doped fiber laser and amplifier,” Laser Phys. Lett. 9(10), 748–753 (2012).
[Crossref]

Wirth, C.

Wysmolek, M.

Xiao, H.

H. Xiao, J. Leng, H. Zhang, L. Huang, J. Xu, and P. Zhou, “High-power 1018 nm ytterbium-doped fiber laser and its application in tandem pump,” Appl. Opt. 54(27), 8166–8169 (2015).
[Crossref] [PubMed]

H. Xiao, P. Zhou, X. L. Wang, X. J. Xu, and Z. J. Liu, “High power 1018 nm ytterbium doped fiber laser with an output power of 309 W,” Laser Phys. Lett. 10(6), 065102 (2013).
[Crossref]

H. Xiao, P. Zhou, X. L. Wang, S. F. Guo, and X. J. Xu, “High power 1018 nm monolithic Yb3+-doped fiber laser and amplifier,” Laser Phys. Lett. 9(10), 748–753 (2012).
[Crossref]

Xiao, Q.

Xu, J.

Xu, X. J.

H. Xiao, P. Zhou, X. L. Wang, X. J. Xu, and Z. J. Liu, “High power 1018 nm ytterbium doped fiber laser with an output power of 309 W,” Laser Phys. Lett. 10(6), 065102 (2013).
[Crossref]

H. Xiao, P. Zhou, X. L. Wang, S. F. Guo, and X. J. Xu, “High power 1018 nm monolithic Yb3+-doped fiber laser and amplifier,” Laser Phys. Lett. 9(10), 748–753 (2012).
[Crossref]

Yan, P.

Yu, C. X.

Zhang, H.

Zhou, P.

H. Xiao, J. Leng, H. Zhang, L. Huang, J. Xu, and P. Zhou, “High-power 1018 nm ytterbium-doped fiber laser and its application in tandem pump,” Appl. Opt. 54(27), 8166–8169 (2015).
[Crossref] [PubMed]

H. Xiao, P. Zhou, X. L. Wang, X. J. Xu, and Z. J. Liu, “High power 1018 nm ytterbium doped fiber laser with an output power of 309 W,” Laser Phys. Lett. 10(6), 065102 (2013).
[Crossref]

H. Xiao, P. Zhou, X. L. Wang, S. F. Guo, and X. J. Xu, “High power 1018 nm monolithic Yb3+-doped fiber laser and amplifier,” Laser Phys. Lett. 9(10), 748–753 (2012).
[Crossref]

Zuitlin, R.

Appl. Opt. (1)

IEEE J. Sel. Top. Quantum Electron. (1)

L. Dong, F. Kong, G. Gu, T. W. Hawkins, M. Jones, J. Parsons, M. T. Kalichevsky-Dong, K. Saitoh, B. Pulford, and I. Dajani, “Large-Mode-Area All-Solid Photonic Bandgap Fibers for the Mitigation of Optical Nonlinearities,” IEEE J. Sel. Top. Quantum Electron. 22(2), 4900207 (2016).
[Crossref]

J. Opt. Soc. Am. B (1)

Laser Phys. Lett. (2)

H. Xiao, P. Zhou, X. L. Wang, S. F. Guo, and X. J. Xu, “High power 1018 nm monolithic Yb3+-doped fiber laser and amplifier,” Laser Phys. Lett. 9(10), 748–753 (2012).
[Crossref]

H. Xiao, P. Zhou, X. L. Wang, X. J. Xu, and Z. J. Liu, “High power 1018 nm ytterbium doped fiber laser with an output power of 309 W,” Laser Phys. Lett. 10(6), 065102 (2013).
[Crossref]

Opt. Express (9)

G. Gu, F. Kong, T. W. Hawkins, M. Jones, and L. Dong, “Extending Mode Areas of Single-mode All-solid Photonic Bandgap Fibers,” Opt. Express 23(7), 9147–9156 (2015).
[Crossref] [PubMed]

F. Beier, C. Hupel, J. Nold, S. Kuhn, S. Hein, J. Ihring, B. Sattler, N. Haarlammert, T. Schreiber, R. Eberhardt, and A. Tünnermann, “Narrow linewidth, single mode 3 kW average power from a directly diode pumped ytterbium-doped low NA fiber amplifier,” Opt. Express 24(6), 6011–6020 (2016).
[Crossref] [PubMed]

S. Suzuki, H. A. McKay, X. Peng, L. Fu, and L. Dong, “Highly ytterbium-doped silica fibers with low photo-darkening,” Opt. Express 17(12), 9924–9932 (2009).
[Crossref] [PubMed]

A. V. Smith and J. J. Smith, “Mode instability in high power fiber amplifiers,” Opt. Express 19(11), 10180–10192 (2011).
[Crossref] [PubMed]

T. Eidam, C. Wirth, C. Jauregui, F. Stutzki, F. Jansen, H. J. Otto, O. Schmidt, T. Schreiber, J. Limpert, and A. Tünnermann, “Experimental observations of the threshold-like onset of mode instabilities in high power fiber amplifiers,” Opt. Express 19(14), 13218–13224 (2011).
[Crossref] [PubMed]

F. Kong, K. Saitoh, D. Mcclane, T. Hawkins, P. Foy, G. Gu, and L. Dong, “Mode Area Scaling With All-solid Photonic Bandgap Fibers,” Opt. Express 20(24), 26363–26372 (2012).
[Crossref] [PubMed]

L. Dong, “Stimulated thermal Rayleigh scattering in optical fibers,” Opt. Express 21(3), 2642–2656 (2013).
[Crossref] [PubMed]

G. Gu, F. Kong, T. Hawkins, J. Parsons, M. Jones, C. Dunn, M. T. Kalichevsky-Dong, K. Saitoh, and L. Dong, “Ytterbium-doped large-mode-area all-solid photonic bandgap fiber lasers,” Opt. Express 22(11), 13962–13968 (2014).
[Crossref] [PubMed]

F. Beier, C. Hupel, S. Kuhn, S. Hein, J. Nold, F. Proske, B. Sattler, A. Liem, C. Jauregui, J. Limpert, N. Haarlammert, T. Schreiber, R. Eberhardt, and A. Tünnermann, “Single mode 4.3 kW output power from a diode-pumped Yb-doped fiber amplifier,” Opt. Express 25(13), 14892–14899 (2017).
[Crossref] [PubMed]

Opt. Lett. (4)

Proc. SPIE (1)

V. Khitrov, J. D. Minelly, R. Tumminelli, V. Petit, and E. S. Pooler, “3kW single-mode direct diode-pumped fiber laser,” Proc. SPIE 8961, 89610V (2014).
[Crossref]

Other (4)

V. Fomin, M. Abramov, A. Ferin, A. Abramov, D. Mochalov, N. Platonov, and V. Gapontsev, “10 kW singlemode fiber laser,” in 5th International Symposium on High-Power Fiber Lasers and Their Applications (2010).

F. Kong, G. Gu, T.W. Hawkins, M. Jones, J. Parsons, M.T. Kalichevsky-Dong, B. Pulford, I. Dajani, and L. Dong, “~ 1 kilowatt Ytterbium-doped all-solid photonic bandgap fiber laser,” presented at PhotonicsWest, (San Francisco, USA, 2017), paper 10083–36.

C. P. Seah, T.Y. Ng, and S.L. Chua, “400W Ytterbium-doped fiber oscillator at 1018nm,” in Advanced Solid State Lasers (2015), paper ATu2A.33.

H. Injeyan and G. D. Goodno, High Power Laser Handbook (McGraw Hill, 2011), chap. 18.

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Figures (6)

Fig. 1
Fig. 1 Cross section of the ytterbium-doped all-solid photonic bandgap fiber.
Fig. 2
Fig. 2 The setup for the 1018 fiber laser.
Fig. 3
Fig. 3 Output power at 1018nm versus launched and absorbed pump powers.
Fig. 4
Fig. 4 Spectra of the output at 80W, 180W and 240W.
Fig. 5
Fig. 5 Output mode patterns at various powers.
Fig. 6
Fig. 6 Measured M2 at output power of 8W.

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