Abstract

We report on a pulse-stacking technique in which a Cr,Nd:GSGG laser pumped by a high-pulse-rate (25 kHz) source is Q switched at lower pulse rates (submultiples of the pump rate) to achieve higher-output pulse energies and shorter pulse durations. For six pump pulses stacked, the output peak power increased by a factor of 10 compared with gain-switched output.

© 1998 Optical Society of America

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  1. W. J. Wadsworth, D. W. Coutts, C. E. Webb, “Damage free power scaling of copper vapour laser pumped Ti:Sapphire lasers,” in Advanced Solid-State Lasers, S. A. Payne, C. R. Pollock, eds., Vol. 1 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1996), pp. 104–108.
  2. L. K. Smith, S. A. Payne, J. B. Tassano, L. D. DeLoach, W. L. Kway, W. F. Krupke, “Optical and physical properties of the LiSrAlF6:Cr laser crystal,” in Advanced Solid-State Lasers, A. A. Pinto, T. Y. Fan, eds., Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), pp. 381–385.
  3. F. Balembois, P. Georges, F. Salin, G. Roger, A. Brun, “Tunable blue light source by intracavity frequency doubling of a Cr-doped LiSAF laser,” in Advanced Solid-State Lasers, A. A. Pinto, T. Y. Fan, eds., Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), pp. 391–393.
  4. D. S. Knowles, D. J. W. Brown, “Compact 24-kHz copper-laser-pumped Ti:sapphire laser,” Opt. Lett. 20, 569–571 (1995).
    [CrossRef] [PubMed]
  5. V. A. Smirnov, I. A. Shcherbakov, “Rare-earth scandium chromium garnets as active media for solid state lasers,” IEEE J. Quantum Electron. 24, 949–959 (1988).
    [CrossRef]
  6. W. F. Krupke, M. D. Shinn, J. E. Marion, J. A. Caird, S. E. Stokowski, “Spectroscopic, optical, and thermomechanical properties of neodymium- and chromium-doped gadolinium scandium gallium garnet,” J. Opt. Soc. Am. B 3, 102–112 (1986).
    [CrossRef]
  7. J. Lee, S. D. Jacobs, “Refractive index and Δn/ΔT of Cr:Nd:GSGG and 1064 nm,” Appl. Opt. 26, 777–778 (1987).
    [CrossRef] [PubMed]
  8. D. S. Sumida, D. A. Rockwell, M. S. Mangir, “Energy storage and heating measurements in flashlamp pumped Cr:Nd:GSGG and Nd:YAG,” IEEE J. Quantum Electron. QE-24, 985–994 (1988).
    [CrossRef]
  9. W. Koechner, Solid-State Laser Engineering, 4th ed. (Springer-Verlag, Berlin, 1996), p. 451.
  10. A. A. Danilov, M. Y. Nikolskii, I. A. Shcherbakov, “Thermal depolarization of optical radiation in a laser active element made of GSGG:Cr3+:Nd3+ crystal,” Sov. J. Quantum Electron. 17, 1058–1060 (1987).
    [CrossRef]

1995 (1)

1988 (2)

V. A. Smirnov, I. A. Shcherbakov, “Rare-earth scandium chromium garnets as active media for solid state lasers,” IEEE J. Quantum Electron. 24, 949–959 (1988).
[CrossRef]

D. S. Sumida, D. A. Rockwell, M. S. Mangir, “Energy storage and heating measurements in flashlamp pumped Cr:Nd:GSGG and Nd:YAG,” IEEE J. Quantum Electron. QE-24, 985–994 (1988).
[CrossRef]

1987 (2)

A. A. Danilov, M. Y. Nikolskii, I. A. Shcherbakov, “Thermal depolarization of optical radiation in a laser active element made of GSGG:Cr3+:Nd3+ crystal,” Sov. J. Quantum Electron. 17, 1058–1060 (1987).
[CrossRef]

J. Lee, S. D. Jacobs, “Refractive index and Δn/ΔT of Cr:Nd:GSGG and 1064 nm,” Appl. Opt. 26, 777–778 (1987).
[CrossRef] [PubMed]

1986 (1)

Balembois, F.

F. Balembois, P. Georges, F. Salin, G. Roger, A. Brun, “Tunable blue light source by intracavity frequency doubling of a Cr-doped LiSAF laser,” in Advanced Solid-State Lasers, A. A. Pinto, T. Y. Fan, eds., Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), pp. 391–393.

Brown, D. J. W.

Brun, A.

F. Balembois, P. Georges, F. Salin, G. Roger, A. Brun, “Tunable blue light source by intracavity frequency doubling of a Cr-doped LiSAF laser,” in Advanced Solid-State Lasers, A. A. Pinto, T. Y. Fan, eds., Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), pp. 391–393.

Caird, J. A.

Coutts, D. W.

W. J. Wadsworth, D. W. Coutts, C. E. Webb, “Damage free power scaling of copper vapour laser pumped Ti:Sapphire lasers,” in Advanced Solid-State Lasers, S. A. Payne, C. R. Pollock, eds., Vol. 1 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1996), pp. 104–108.

Danilov, A. A.

A. A. Danilov, M. Y. Nikolskii, I. A. Shcherbakov, “Thermal depolarization of optical radiation in a laser active element made of GSGG:Cr3+:Nd3+ crystal,” Sov. J. Quantum Electron. 17, 1058–1060 (1987).
[CrossRef]

DeLoach, L. D.

L. K. Smith, S. A. Payne, J. B. Tassano, L. D. DeLoach, W. L. Kway, W. F. Krupke, “Optical and physical properties of the LiSrAlF6:Cr laser crystal,” in Advanced Solid-State Lasers, A. A. Pinto, T. Y. Fan, eds., Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), pp. 381–385.

Georges, P.

F. Balembois, P. Georges, F. Salin, G. Roger, A. Brun, “Tunable blue light source by intracavity frequency doubling of a Cr-doped LiSAF laser,” in Advanced Solid-State Lasers, A. A. Pinto, T. Y. Fan, eds., Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), pp. 391–393.

Jacobs, S. D.

Knowles, D. S.

Koechner, W.

W. Koechner, Solid-State Laser Engineering, 4th ed. (Springer-Verlag, Berlin, 1996), p. 451.

Krupke, W. F.

W. F. Krupke, M. D. Shinn, J. E. Marion, J. A. Caird, S. E. Stokowski, “Spectroscopic, optical, and thermomechanical properties of neodymium- and chromium-doped gadolinium scandium gallium garnet,” J. Opt. Soc. Am. B 3, 102–112 (1986).
[CrossRef]

L. K. Smith, S. A. Payne, J. B. Tassano, L. D. DeLoach, W. L. Kway, W. F. Krupke, “Optical and physical properties of the LiSrAlF6:Cr laser crystal,” in Advanced Solid-State Lasers, A. A. Pinto, T. Y. Fan, eds., Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), pp. 381–385.

Kway, W. L.

L. K. Smith, S. A. Payne, J. B. Tassano, L. D. DeLoach, W. L. Kway, W. F. Krupke, “Optical and physical properties of the LiSrAlF6:Cr laser crystal,” in Advanced Solid-State Lasers, A. A. Pinto, T. Y. Fan, eds., Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), pp. 381–385.

Lee, J.

Mangir, M. S.

D. S. Sumida, D. A. Rockwell, M. S. Mangir, “Energy storage and heating measurements in flashlamp pumped Cr:Nd:GSGG and Nd:YAG,” IEEE J. Quantum Electron. QE-24, 985–994 (1988).
[CrossRef]

Marion, J. E.

Nikolskii, M. Y.

A. A. Danilov, M. Y. Nikolskii, I. A. Shcherbakov, “Thermal depolarization of optical radiation in a laser active element made of GSGG:Cr3+:Nd3+ crystal,” Sov. J. Quantum Electron. 17, 1058–1060 (1987).
[CrossRef]

Payne, S. A.

L. K. Smith, S. A. Payne, J. B. Tassano, L. D. DeLoach, W. L. Kway, W. F. Krupke, “Optical and physical properties of the LiSrAlF6:Cr laser crystal,” in Advanced Solid-State Lasers, A. A. Pinto, T. Y. Fan, eds., Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), pp. 381–385.

Rockwell, D. A.

D. S. Sumida, D. A. Rockwell, M. S. Mangir, “Energy storage and heating measurements in flashlamp pumped Cr:Nd:GSGG and Nd:YAG,” IEEE J. Quantum Electron. QE-24, 985–994 (1988).
[CrossRef]

Roger, G.

F. Balembois, P. Georges, F. Salin, G. Roger, A. Brun, “Tunable blue light source by intracavity frequency doubling of a Cr-doped LiSAF laser,” in Advanced Solid-State Lasers, A. A. Pinto, T. Y. Fan, eds., Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), pp. 391–393.

Salin, F.

F. Balembois, P. Georges, F. Salin, G. Roger, A. Brun, “Tunable blue light source by intracavity frequency doubling of a Cr-doped LiSAF laser,” in Advanced Solid-State Lasers, A. A. Pinto, T. Y. Fan, eds., Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), pp. 391–393.

Shcherbakov, I. A.

V. A. Smirnov, I. A. Shcherbakov, “Rare-earth scandium chromium garnets as active media for solid state lasers,” IEEE J. Quantum Electron. 24, 949–959 (1988).
[CrossRef]

A. A. Danilov, M. Y. Nikolskii, I. A. Shcherbakov, “Thermal depolarization of optical radiation in a laser active element made of GSGG:Cr3+:Nd3+ crystal,” Sov. J. Quantum Electron. 17, 1058–1060 (1987).
[CrossRef]

Shinn, M. D.

Smirnov, V. A.

V. A. Smirnov, I. A. Shcherbakov, “Rare-earth scandium chromium garnets as active media for solid state lasers,” IEEE J. Quantum Electron. 24, 949–959 (1988).
[CrossRef]

Smith, L. K.

L. K. Smith, S. A. Payne, J. B. Tassano, L. D. DeLoach, W. L. Kway, W. F. Krupke, “Optical and physical properties of the LiSrAlF6:Cr laser crystal,” in Advanced Solid-State Lasers, A. A. Pinto, T. Y. Fan, eds., Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), pp. 381–385.

Stokowski, S. E.

Sumida, D. S.

D. S. Sumida, D. A. Rockwell, M. S. Mangir, “Energy storage and heating measurements in flashlamp pumped Cr:Nd:GSGG and Nd:YAG,” IEEE J. Quantum Electron. QE-24, 985–994 (1988).
[CrossRef]

Tassano, J. B.

L. K. Smith, S. A. Payne, J. B. Tassano, L. D. DeLoach, W. L. Kway, W. F. Krupke, “Optical and physical properties of the LiSrAlF6:Cr laser crystal,” in Advanced Solid-State Lasers, A. A. Pinto, T. Y. Fan, eds., Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), pp. 381–385.

Wadsworth, W. J.

W. J. Wadsworth, D. W. Coutts, C. E. Webb, “Damage free power scaling of copper vapour laser pumped Ti:Sapphire lasers,” in Advanced Solid-State Lasers, S. A. Payne, C. R. Pollock, eds., Vol. 1 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1996), pp. 104–108.

Webb, C. E.

W. J. Wadsworth, D. W. Coutts, C. E. Webb, “Damage free power scaling of copper vapour laser pumped Ti:Sapphire lasers,” in Advanced Solid-State Lasers, S. A. Payne, C. R. Pollock, eds., Vol. 1 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1996), pp. 104–108.

Appl. Opt. (1)

IEEE J. Quantum Electron. (2)

V. A. Smirnov, I. A. Shcherbakov, “Rare-earth scandium chromium garnets as active media for solid state lasers,” IEEE J. Quantum Electron. 24, 949–959 (1988).
[CrossRef]

D. S. Sumida, D. A. Rockwell, M. S. Mangir, “Energy storage and heating measurements in flashlamp pumped Cr:Nd:GSGG and Nd:YAG,” IEEE J. Quantum Electron. QE-24, 985–994 (1988).
[CrossRef]

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

Opt. Lett. (1)

Sov. J. Quantum Electron. (1)

A. A. Danilov, M. Y. Nikolskii, I. A. Shcherbakov, “Thermal depolarization of optical radiation in a laser active element made of GSGG:Cr3+:Nd3+ crystal,” Sov. J. Quantum Electron. 17, 1058–1060 (1987).
[CrossRef]

Other (4)

W. Koechner, Solid-State Laser Engineering, 4th ed. (Springer-Verlag, Berlin, 1996), p. 451.

W. J. Wadsworth, D. W. Coutts, C. E. Webb, “Damage free power scaling of copper vapour laser pumped Ti:Sapphire lasers,” in Advanced Solid-State Lasers, S. A. Payne, C. R. Pollock, eds., Vol. 1 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1996), pp. 104–108.

L. K. Smith, S. A. Payne, J. B. Tassano, L. D. DeLoach, W. L. Kway, W. F. Krupke, “Optical and physical properties of the LiSrAlF6:Cr laser crystal,” in Advanced Solid-State Lasers, A. A. Pinto, T. Y. Fan, eds., Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), pp. 381–385.

F. Balembois, P. Georges, F. Salin, G. Roger, A. Brun, “Tunable blue light source by intracavity frequency doubling of a Cr-doped LiSAF laser,” in Advanced Solid-State Lasers, A. A. Pinto, T. Y. Fan, eds., Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), pp. 391–393.

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Figures (4)

Fig. 1
Fig. 1

Schematic diagram of the Cr,Nd:GSGG laser cavity and pumping scheme. AO, acousto-optic; HR, high reflector; R, reflectivity.

Fig. 2
Fig. 2

Cr,Nd:GSGG laser: (a) output pulse shapes as a function of the number of pump pulses stacked; (b) gain-switched pulse. For the gain-switched pulse, time is measured from the pump pulse.

Fig. 3
Fig. 3

Cr,Nd:GSGG laser output pulse energy as a function of the number of pump pulses stacked.

Fig. 4
Fig. 4

Cr,Nd:GSGG laser output energy for four pulse-stacking situations: 3, 5, 10, and 14 pump pulses stacked versus integrated pump energy.

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