Abstract

We experimentally demonstrate a ZnGeP2 based optical parametric oscillator (ZGP-OPO) with a record of the optical-to-optical conversion efficiency. To improve the conversion efficiency, we design and construct a double-pass pumped high-gain OPO and a matched large-sized high-peak-power pump beam to suppress the spatial walk-off and conversion. Pulse energy of 19 mJ with pulse width of 27.8 ns at 5 Hz in the mid-infrared 3-5 μm waveband is obtained in the doubly resonated ZGP-OPO, the beam quality M2 is about 9.6, and the corresponding optical-to-optical conversion efficiency reaches up to 75.7%.

© 2017 Optical Society of America

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References

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  1. F. K. Tittel, D. Richter, and A. Fried, “Mid-infrared laser applications in spectroscopy,” in Solid-State Mid-Infrared Laser Sources, Topics Appl. Phys, I. T. Sorokina, K. L. Vodopyanov, eds. (Springer, 2003).
  2. K. L. Vodopyanov, “Pulsed Mid-IR optical parametric oscillators,” in Solid-State Mid-Infrared Laser Sources, Topics Appl. Phys, I. T. Sorokina, K. L. Vodopyanov, eds. (Springer, 2003).
  3. M. A. Mackanos, D. M. Simanovskii, C. H. Contag, J. A. Kozub, and E. D. Jansen, “Comparing an optical parametric oscillator (OPO) as a viable alternative for mid-infrared tissue ablation with a free electron laser (FEL),” Lasers Med. Sci. 27(6), 1213–1223 (2012).
    [Crossref] [PubMed]
  4. A. F. Nieuwenhuis, C. J. Lee, P. J. M. van der Slot, I. D. Lindsay, P. Gross, and K. J. Boller, “A CrTmHo: YAG laser pumped ZnGeP2 optical parametric oscillator for mid-infrared spectroscopy,” Proc. SPIE 6875, G8751 (2008).
    [Crossref]
  5. A. Hemming, J. Richards, A. Davidson, N. Carmody, S. Bennetts, N. Simakov, and J. Haub, “99 W mid-IR operation of a ZGP OPO at 25% duty cycle,” Opt. Express 21(8), 10062–10069 (2013).
    [Crossref] [PubMed]
  6. E. Lippert, S. Nicolas, G. Arisholm, K. Stenersen, and G. Rustad, “Midinfrared laser source with high power and beam quality,” Appl. Opt. 45(16), 3839–3845 (2006).
    [Crossref] [PubMed]
  7. V. Petrov, “Parametric down-conversion devices: The coverage of the mid-infrared spectral range by solid-state laser sources,” Opt. Mater. 34(3), 536–554 (2012).
    [Crossref]
  8. A. F. Nieuwenhuis, C. J. Lee, P. J. M. van der Slot, I. D. Lindsay, P. Gross, and K. J. Boller, “High-efficiency mid-infrared ZnGeP2 optical parametric oscillator directly pumped by a lamp-pumped, Q-switched CrTmHo:YAG laser,” Opt. Lett. 33(1), 52–54 (2008).
    [Crossref] [PubMed]
  9. M. Eichhorn, M. Schellhorn, M. W. Haakestad, H. Fonnum, and E. Lippert, “High-pulse-energy mid-infrared fractional-image-rotation-enhancement ZnGeP2 optical parametric oscillator,” Opt. Lett. 41(11), 2596–2599 (2016).
    [Crossref] [PubMed]
  10. W. R. Bosenberg, A. Drobshoff, J. I. Alexander, L. E. Myers, and R. L. Byer, “93% pump depletion, 3.5-W continuous-wave, singly resonant optical parametric oscillator,” Opt. Lett. 21(17), 1336–1338 (1996).
    [Crossref] [PubMed]
  11. S. J. Brosnan and R. L. Byer, “Optical parametric oscillator threshold and linewidth studies,” IEEE J. Quantum Electron. 15(6), 415–431 (1979).
    [Crossref]
  12. P. B. Phua, B. X. Xu, T. C. Chong, and Y. C. Fong, “Oscillation threshold of pulsed doubly resonating optical parametric oscillator operating near degeneracy,” Opt. Commun. 139(4-6), 320–326 (1997).
    [Crossref]
  13. K. L. Vodopyanov and P. G. Schunemann, “Broadly tunable noncritically phase-matched ZnGeP2 optical parametric oscillator with a 2-microJ pump threshold,” Opt. Lett. 28(6), 441–443 (2003).
    [Crossref] [PubMed]
  14. J. Bjorkholm, “Some effects of spatially nonuniform pumping in pulsed optical parametric oscillators,” IEEE J. Quantum Electron. 7(3), 109–118 (1971).
    [Crossref]
  15. L. Wang, X. Cai, J. Yang, X. Wu, H. Jiang, and J. Wang, “520 mJ langasite electro-optically Q-switched Cr, Tm, Ho:YAG laser,” Opt. Lett. 37(11), 1986–1988 (2012).
    [Crossref] [PubMed]
  16. L. Wang, J. Wang, J. Yang, X. Wu, D. Sun, S. Yin, H. Jiang, J. Wang, and C. Xu, “2.79 μm high peak power LGS electro-optically Q-switched Cr,Er:YSGG laser,” Opt. Lett. 38(12), 2150–2152 (2013).
    [Crossref] [PubMed]
  17. Z. Y. Wang, M. S. Mao, H. X. Wu, Y. B. Ni, C. B. Huang, and X. D. Cheng, “Study on annealing of infrared nonlinear optical crystal ZnGeP2,” J. Cryst. Growth 359, 11–14 (2012).
    [Crossref]
  18. R. Urschel, A. Borsutzky, and R. Wallenstein, “Numerical analysis of the spatial behaviour of nanosecond optical parametric oscillators of beta-barium borate,” Appl. Phys. B 70(2), 203–210 (2000).
    [Crossref]
  19. A. Fix, J. G. Haub, M. J. Johnson, T. Schröder, R. Wallenstein, and B. J. Orr, “Tunable beta-barium borate optical parametric oscillator - operating characteristics with and without injection seeding,” J. Opt. Soc. Am. B 10(9), 1744–1750 (1993).
    [Crossref]
  20. G. He, J. Guo, Z. Jiao, and B. Wang, “High-efficiency near-degenerate PPMgLN optical parametric oscillator with a volume Bragg grating,” Opt. Lett. 37(8), 1364–1366 (2012).
    [Crossref] [PubMed]
  21. D. E. Zelmon, E. A. Hanning, and P. G. Schunemann, “Refractive-index measurements and Sellmeier coefficients for zinc germanium phosphide from 2 to 9 µm with implications for phase matching in optical frequency-conversion devices,” J. Opt. Soc. Am. B 18(9), 1307–1310 (2001).
    [Crossref]

2016 (1)

2013 (2)

2012 (5)

Z. Y. Wang, M. S. Mao, H. X. Wu, Y. B. Ni, C. B. Huang, and X. D. Cheng, “Study on annealing of infrared nonlinear optical crystal ZnGeP2,” J. Cryst. Growth 359, 11–14 (2012).
[Crossref]

L. Wang, X. Cai, J. Yang, X. Wu, H. Jiang, and J. Wang, “520 mJ langasite electro-optically Q-switched Cr, Tm, Ho:YAG laser,” Opt. Lett. 37(11), 1986–1988 (2012).
[Crossref] [PubMed]

M. A. Mackanos, D. M. Simanovskii, C. H. Contag, J. A. Kozub, and E. D. Jansen, “Comparing an optical parametric oscillator (OPO) as a viable alternative for mid-infrared tissue ablation with a free electron laser (FEL),” Lasers Med. Sci. 27(6), 1213–1223 (2012).
[Crossref] [PubMed]

V. Petrov, “Parametric down-conversion devices: The coverage of the mid-infrared spectral range by solid-state laser sources,” Opt. Mater. 34(3), 536–554 (2012).
[Crossref]

G. He, J. Guo, Z. Jiao, and B. Wang, “High-efficiency near-degenerate PPMgLN optical parametric oscillator with a volume Bragg grating,” Opt. Lett. 37(8), 1364–1366 (2012).
[Crossref] [PubMed]

2008 (2)

A. F. Nieuwenhuis, C. J. Lee, P. J. M. van der Slot, I. D. Lindsay, P. Gross, and K. J. Boller, “High-efficiency mid-infrared ZnGeP2 optical parametric oscillator directly pumped by a lamp-pumped, Q-switched CrTmHo:YAG laser,” Opt. Lett. 33(1), 52–54 (2008).
[Crossref] [PubMed]

A. F. Nieuwenhuis, C. J. Lee, P. J. M. van der Slot, I. D. Lindsay, P. Gross, and K. J. Boller, “A CrTmHo: YAG laser pumped ZnGeP2 optical parametric oscillator for mid-infrared spectroscopy,” Proc. SPIE 6875, G8751 (2008).
[Crossref]

2006 (1)

2003 (1)

2001 (1)

2000 (1)

R. Urschel, A. Borsutzky, and R. Wallenstein, “Numerical analysis of the spatial behaviour of nanosecond optical parametric oscillators of beta-barium borate,” Appl. Phys. B 70(2), 203–210 (2000).
[Crossref]

1997 (1)

P. B. Phua, B. X. Xu, T. C. Chong, and Y. C. Fong, “Oscillation threshold of pulsed doubly resonating optical parametric oscillator operating near degeneracy,” Opt. Commun. 139(4-6), 320–326 (1997).
[Crossref]

1996 (1)

1993 (1)

1979 (1)

S. J. Brosnan and R. L. Byer, “Optical parametric oscillator threshold and linewidth studies,” IEEE J. Quantum Electron. 15(6), 415–431 (1979).
[Crossref]

1971 (1)

J. Bjorkholm, “Some effects of spatially nonuniform pumping in pulsed optical parametric oscillators,” IEEE J. Quantum Electron. 7(3), 109–118 (1971).
[Crossref]

Alexander, J. I.

Arisholm, G.

Bennetts, S.

Bjorkholm, J.

J. Bjorkholm, “Some effects of spatially nonuniform pumping in pulsed optical parametric oscillators,” IEEE J. Quantum Electron. 7(3), 109–118 (1971).
[Crossref]

Boller, K. J.

A. F. Nieuwenhuis, C. J. Lee, P. J. M. van der Slot, I. D. Lindsay, P. Gross, and K. J. Boller, “A CrTmHo: YAG laser pumped ZnGeP2 optical parametric oscillator for mid-infrared spectroscopy,” Proc. SPIE 6875, G8751 (2008).
[Crossref]

A. F. Nieuwenhuis, C. J. Lee, P. J. M. van der Slot, I. D. Lindsay, P. Gross, and K. J. Boller, “High-efficiency mid-infrared ZnGeP2 optical parametric oscillator directly pumped by a lamp-pumped, Q-switched CrTmHo:YAG laser,” Opt. Lett. 33(1), 52–54 (2008).
[Crossref] [PubMed]

Borsutzky, A.

R. Urschel, A. Borsutzky, and R. Wallenstein, “Numerical analysis of the spatial behaviour of nanosecond optical parametric oscillators of beta-barium borate,” Appl. Phys. B 70(2), 203–210 (2000).
[Crossref]

Bosenberg, W. R.

Brosnan, S. J.

S. J. Brosnan and R. L. Byer, “Optical parametric oscillator threshold and linewidth studies,” IEEE J. Quantum Electron. 15(6), 415–431 (1979).
[Crossref]

Byer, R. L.

Cai, X.

Carmody, N.

Cheng, X. D.

Z. Y. Wang, M. S. Mao, H. X. Wu, Y. B. Ni, C. B. Huang, and X. D. Cheng, “Study on annealing of infrared nonlinear optical crystal ZnGeP2,” J. Cryst. Growth 359, 11–14 (2012).
[Crossref]

Chong, T. C.

P. B. Phua, B. X. Xu, T. C. Chong, and Y. C. Fong, “Oscillation threshold of pulsed doubly resonating optical parametric oscillator operating near degeneracy,” Opt. Commun. 139(4-6), 320–326 (1997).
[Crossref]

Contag, C. H.

M. A. Mackanos, D. M. Simanovskii, C. H. Contag, J. A. Kozub, and E. D. Jansen, “Comparing an optical parametric oscillator (OPO) as a viable alternative for mid-infrared tissue ablation with a free electron laser (FEL),” Lasers Med. Sci. 27(6), 1213–1223 (2012).
[Crossref] [PubMed]

Davidson, A.

Drobshoff, A.

Eichhorn, M.

Fix, A.

Fong, Y. C.

P. B. Phua, B. X. Xu, T. C. Chong, and Y. C. Fong, “Oscillation threshold of pulsed doubly resonating optical parametric oscillator operating near degeneracy,” Opt. Commun. 139(4-6), 320–326 (1997).
[Crossref]

Fonnum, H.

Gross, P.

A. F. Nieuwenhuis, C. J. Lee, P. J. M. van der Slot, I. D. Lindsay, P. Gross, and K. J. Boller, “A CrTmHo: YAG laser pumped ZnGeP2 optical parametric oscillator for mid-infrared spectroscopy,” Proc. SPIE 6875, G8751 (2008).
[Crossref]

A. F. Nieuwenhuis, C. J. Lee, P. J. M. van der Slot, I. D. Lindsay, P. Gross, and K. J. Boller, “High-efficiency mid-infrared ZnGeP2 optical parametric oscillator directly pumped by a lamp-pumped, Q-switched CrTmHo:YAG laser,” Opt. Lett. 33(1), 52–54 (2008).
[Crossref] [PubMed]

Guo, J.

Haakestad, M. W.

Hanning, E. A.

Haub, J.

Haub, J. G.

He, G.

Hemming, A.

Huang, C. B.

Z. Y. Wang, M. S. Mao, H. X. Wu, Y. B. Ni, C. B. Huang, and X. D. Cheng, “Study on annealing of infrared nonlinear optical crystal ZnGeP2,” J. Cryst. Growth 359, 11–14 (2012).
[Crossref]

Jansen, E. D.

M. A. Mackanos, D. M. Simanovskii, C. H. Contag, J. A. Kozub, and E. D. Jansen, “Comparing an optical parametric oscillator (OPO) as a viable alternative for mid-infrared tissue ablation with a free electron laser (FEL),” Lasers Med. Sci. 27(6), 1213–1223 (2012).
[Crossref] [PubMed]

Jiang, H.

Jiao, Z.

Johnson, M. J.

Kozub, J. A.

M. A. Mackanos, D. M. Simanovskii, C. H. Contag, J. A. Kozub, and E. D. Jansen, “Comparing an optical parametric oscillator (OPO) as a viable alternative for mid-infrared tissue ablation with a free electron laser (FEL),” Lasers Med. Sci. 27(6), 1213–1223 (2012).
[Crossref] [PubMed]

Lee, C. J.

A. F. Nieuwenhuis, C. J. Lee, P. J. M. van der Slot, I. D. Lindsay, P. Gross, and K. J. Boller, “A CrTmHo: YAG laser pumped ZnGeP2 optical parametric oscillator for mid-infrared spectroscopy,” Proc. SPIE 6875, G8751 (2008).
[Crossref]

A. F. Nieuwenhuis, C. J. Lee, P. J. M. van der Slot, I. D. Lindsay, P. Gross, and K. J. Boller, “High-efficiency mid-infrared ZnGeP2 optical parametric oscillator directly pumped by a lamp-pumped, Q-switched CrTmHo:YAG laser,” Opt. Lett. 33(1), 52–54 (2008).
[Crossref] [PubMed]

Lindsay, I. D.

A. F. Nieuwenhuis, C. J. Lee, P. J. M. van der Slot, I. D. Lindsay, P. Gross, and K. J. Boller, “High-efficiency mid-infrared ZnGeP2 optical parametric oscillator directly pumped by a lamp-pumped, Q-switched CrTmHo:YAG laser,” Opt. Lett. 33(1), 52–54 (2008).
[Crossref] [PubMed]

A. F. Nieuwenhuis, C. J. Lee, P. J. M. van der Slot, I. D. Lindsay, P. Gross, and K. J. Boller, “A CrTmHo: YAG laser pumped ZnGeP2 optical parametric oscillator for mid-infrared spectroscopy,” Proc. SPIE 6875, G8751 (2008).
[Crossref]

Lippert, E.

Mackanos, M. A.

M. A. Mackanos, D. M. Simanovskii, C. H. Contag, J. A. Kozub, and E. D. Jansen, “Comparing an optical parametric oscillator (OPO) as a viable alternative for mid-infrared tissue ablation with a free electron laser (FEL),” Lasers Med. Sci. 27(6), 1213–1223 (2012).
[Crossref] [PubMed]

Mao, M. S.

Z. Y. Wang, M. S. Mao, H. X. Wu, Y. B. Ni, C. B. Huang, and X. D. Cheng, “Study on annealing of infrared nonlinear optical crystal ZnGeP2,” J. Cryst. Growth 359, 11–14 (2012).
[Crossref]

Myers, L. E.

Ni, Y. B.

Z. Y. Wang, M. S. Mao, H. X. Wu, Y. B. Ni, C. B. Huang, and X. D. Cheng, “Study on annealing of infrared nonlinear optical crystal ZnGeP2,” J. Cryst. Growth 359, 11–14 (2012).
[Crossref]

Nicolas, S.

Nieuwenhuis, A. F.

A. F. Nieuwenhuis, C. J. Lee, P. J. M. van der Slot, I. D. Lindsay, P. Gross, and K. J. Boller, “High-efficiency mid-infrared ZnGeP2 optical parametric oscillator directly pumped by a lamp-pumped, Q-switched CrTmHo:YAG laser,” Opt. Lett. 33(1), 52–54 (2008).
[Crossref] [PubMed]

A. F. Nieuwenhuis, C. J. Lee, P. J. M. van der Slot, I. D. Lindsay, P. Gross, and K. J. Boller, “A CrTmHo: YAG laser pumped ZnGeP2 optical parametric oscillator for mid-infrared spectroscopy,” Proc. SPIE 6875, G8751 (2008).
[Crossref]

Orr, B. J.

Petrov, V.

V. Petrov, “Parametric down-conversion devices: The coverage of the mid-infrared spectral range by solid-state laser sources,” Opt. Mater. 34(3), 536–554 (2012).
[Crossref]

Phua, P. B.

P. B. Phua, B. X. Xu, T. C. Chong, and Y. C. Fong, “Oscillation threshold of pulsed doubly resonating optical parametric oscillator operating near degeneracy,” Opt. Commun. 139(4-6), 320–326 (1997).
[Crossref]

Richards, J.

Rustad, G.

Schellhorn, M.

Schröder, T.

Schunemann, P. G.

Simakov, N.

Simanovskii, D. M.

M. A. Mackanos, D. M. Simanovskii, C. H. Contag, J. A. Kozub, and E. D. Jansen, “Comparing an optical parametric oscillator (OPO) as a viable alternative for mid-infrared tissue ablation with a free electron laser (FEL),” Lasers Med. Sci. 27(6), 1213–1223 (2012).
[Crossref] [PubMed]

Stenersen, K.

Sun, D.

Urschel, R.

R. Urschel, A. Borsutzky, and R. Wallenstein, “Numerical analysis of the spatial behaviour of nanosecond optical parametric oscillators of beta-barium borate,” Appl. Phys. B 70(2), 203–210 (2000).
[Crossref]

van der Slot, P. J. M.

A. F. Nieuwenhuis, C. J. Lee, P. J. M. van der Slot, I. D. Lindsay, P. Gross, and K. J. Boller, “A CrTmHo: YAG laser pumped ZnGeP2 optical parametric oscillator for mid-infrared spectroscopy,” Proc. SPIE 6875, G8751 (2008).
[Crossref]

A. F. Nieuwenhuis, C. J. Lee, P. J. M. van der Slot, I. D. Lindsay, P. Gross, and K. J. Boller, “High-efficiency mid-infrared ZnGeP2 optical parametric oscillator directly pumped by a lamp-pumped, Q-switched CrTmHo:YAG laser,” Opt. Lett. 33(1), 52–54 (2008).
[Crossref] [PubMed]

Vodopyanov, K. L.

Wallenstein, R.

R. Urschel, A. Borsutzky, and R. Wallenstein, “Numerical analysis of the spatial behaviour of nanosecond optical parametric oscillators of beta-barium borate,” Appl. Phys. B 70(2), 203–210 (2000).
[Crossref]

A. Fix, J. G. Haub, M. J. Johnson, T. Schröder, R. Wallenstein, and B. J. Orr, “Tunable beta-barium borate optical parametric oscillator - operating characteristics with and without injection seeding,” J. Opt. Soc. Am. B 10(9), 1744–1750 (1993).
[Crossref]

Wang, B.

Wang, J.

Wang, L.

Wang, Z. Y.

Z. Y. Wang, M. S. Mao, H. X. Wu, Y. B. Ni, C. B. Huang, and X. D. Cheng, “Study on annealing of infrared nonlinear optical crystal ZnGeP2,” J. Cryst. Growth 359, 11–14 (2012).
[Crossref]

Wu, H. X.

Z. Y. Wang, M. S. Mao, H. X. Wu, Y. B. Ni, C. B. Huang, and X. D. Cheng, “Study on annealing of infrared nonlinear optical crystal ZnGeP2,” J. Cryst. Growth 359, 11–14 (2012).
[Crossref]

Wu, X.

Xu, B. X.

P. B. Phua, B. X. Xu, T. C. Chong, and Y. C. Fong, “Oscillation threshold of pulsed doubly resonating optical parametric oscillator operating near degeneracy,” Opt. Commun. 139(4-6), 320–326 (1997).
[Crossref]

Xu, C.

Yang, J.

Yin, S.

Zelmon, D. E.

Appl. Opt. (1)

Appl. Phys. B (1)

R. Urschel, A. Borsutzky, and R. Wallenstein, “Numerical analysis of the spatial behaviour of nanosecond optical parametric oscillators of beta-barium borate,” Appl. Phys. B 70(2), 203–210 (2000).
[Crossref]

IEEE J. Quantum Electron. (2)

S. J. Brosnan and R. L. Byer, “Optical parametric oscillator threshold and linewidth studies,” IEEE J. Quantum Electron. 15(6), 415–431 (1979).
[Crossref]

J. Bjorkholm, “Some effects of spatially nonuniform pumping in pulsed optical parametric oscillators,” IEEE J. Quantum Electron. 7(3), 109–118 (1971).
[Crossref]

J. Cryst. Growth (1)

Z. Y. Wang, M. S. Mao, H. X. Wu, Y. B. Ni, C. B. Huang, and X. D. Cheng, “Study on annealing of infrared nonlinear optical crystal ZnGeP2,” J. Cryst. Growth 359, 11–14 (2012).
[Crossref]

J. Opt. Soc. Am. B (2)

Lasers Med. Sci. (1)

M. A. Mackanos, D. M. Simanovskii, C. H. Contag, J. A. Kozub, and E. D. Jansen, “Comparing an optical parametric oscillator (OPO) as a viable alternative for mid-infrared tissue ablation with a free electron laser (FEL),” Lasers Med. Sci. 27(6), 1213–1223 (2012).
[Crossref] [PubMed]

Opt. Commun. (1)

P. B. Phua, B. X. Xu, T. C. Chong, and Y. C. Fong, “Oscillation threshold of pulsed doubly resonating optical parametric oscillator operating near degeneracy,” Opt. Commun. 139(4-6), 320–326 (1997).
[Crossref]

Opt. Express (1)

Opt. Lett. (7)

G. He, J. Guo, Z. Jiao, and B. Wang, “High-efficiency near-degenerate PPMgLN optical parametric oscillator with a volume Bragg grating,” Opt. Lett. 37(8), 1364–1366 (2012).
[Crossref] [PubMed]

K. L. Vodopyanov and P. G. Schunemann, “Broadly tunable noncritically phase-matched ZnGeP2 optical parametric oscillator with a 2-microJ pump threshold,” Opt. Lett. 28(6), 441–443 (2003).
[Crossref] [PubMed]

L. Wang, X. Cai, J. Yang, X. Wu, H. Jiang, and J. Wang, “520 mJ langasite electro-optically Q-switched Cr, Tm, Ho:YAG laser,” Opt. Lett. 37(11), 1986–1988 (2012).
[Crossref] [PubMed]

L. Wang, J. Wang, J. Yang, X. Wu, D. Sun, S. Yin, H. Jiang, J. Wang, and C. Xu, “2.79 μm high peak power LGS electro-optically Q-switched Cr,Er:YSGG laser,” Opt. Lett. 38(12), 2150–2152 (2013).
[Crossref] [PubMed]

A. F. Nieuwenhuis, C. J. Lee, P. J. M. van der Slot, I. D. Lindsay, P. Gross, and K. J. Boller, “High-efficiency mid-infrared ZnGeP2 optical parametric oscillator directly pumped by a lamp-pumped, Q-switched CrTmHo:YAG laser,” Opt. Lett. 33(1), 52–54 (2008).
[Crossref] [PubMed]

M. Eichhorn, M. Schellhorn, M. W. Haakestad, H. Fonnum, and E. Lippert, “High-pulse-energy mid-infrared fractional-image-rotation-enhancement ZnGeP2 optical parametric oscillator,” Opt. Lett. 41(11), 2596–2599 (2016).
[Crossref] [PubMed]

W. R. Bosenberg, A. Drobshoff, J. I. Alexander, L. E. Myers, and R. L. Byer, “93% pump depletion, 3.5-W continuous-wave, singly resonant optical parametric oscillator,” Opt. Lett. 21(17), 1336–1338 (1996).
[Crossref] [PubMed]

Opt. Mater. (1)

V. Petrov, “Parametric down-conversion devices: The coverage of the mid-infrared spectral range by solid-state laser sources,” Opt. Mater. 34(3), 536–554 (2012).
[Crossref]

Proc. SPIE (1)

A. F. Nieuwenhuis, C. J. Lee, P. J. M. van der Slot, I. D. Lindsay, P. Gross, and K. J. Boller, “A CrTmHo: YAG laser pumped ZnGeP2 optical parametric oscillator for mid-infrared spectroscopy,” Proc. SPIE 6875, G8751 (2008).
[Crossref]

Other (2)

F. K. Tittel, D. Richter, and A. Fried, “Mid-infrared laser applications in spectroscopy,” in Solid-State Mid-Infrared Laser Sources, Topics Appl. Phys, I. T. Sorokina, K. L. Vodopyanov, eds. (Springer, 2003).

K. L. Vodopyanov, “Pulsed Mid-IR optical parametric oscillators,” in Solid-State Mid-Infrared Laser Sources, Topics Appl. Phys, I. T. Sorokina, K. L. Vodopyanov, eds. (Springer, 2003).

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Figures (5)

Fig. 1
Fig. 1

(a) Calculated effective parametric gain length versus pump beam radius for ZGP crystals of different lengths. (b) Calculated coupling coefficient versus propagation distance in ZGP crystal for different pump beams radii.

Fig. 2
Fig. 2

Experimental schematic of the pulsed pump source laser, coupling optics and OPO.

Fig. 3
Fig. 3

(a) The ZGP-OPO output energy, optical-to-optical conversion efficiency (both signal and idler waves) versus pump energy with 2.1 and 3.1 mm pump beam diameters for different beam expansions. (b) The optical-to-optical conversion efficiency versus pump peak power density.

Fig. 4
Fig. 4

The temporal and spatial profiles of pump and OPO pulses.

Fig. 5
Fig. 5

The output spectrum of the signal and idler waves from the OPO. Inset: the angle tuning curve of the signal and idler waves versus the internal phase matching angle.

Equations (3)

Equations on this page are rendered with MathJax. Learn more.

L = l w erf ( π 2 l l w )
c s , i = g s , i exp [ π 4 ( z l w ) 2 ]
l w = π 2 w p ρ w s 2 w i 2 w p 2 + w s 2 ( 1 w s 2 + 1 w i 2 + 1 w p 2 )

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