Abstract

A diode-pumped Nd:YLF regenerative amplifier (regen) has been developed and is in use in the 60-beam, 30-kJ UV Omega laser system’s driver line. The high stability, the compactness, and the reliability of this all-solid-state modular design are the key features of this concept. Stable, millijoule-level output-pulse energies with an overall gain of 109 have been demonstrated. Excellent long-term output-pulse-energy stability of better than 1% rms fluctuations has been achieved with excellent beam quality (<1% ellipticity).

© 2004 Optical Society of America

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  1. T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
    [CrossRef]
  2. P. W. McKenty, V. N. Goncharov, R. P. J. Town, S. Skupsky, R. Betti, R. L. McCrory, “Analysis of a direct-drive ignition capsule designed for the National Ignition Facility,” Phys. Plasmas 8, 2315–2322 (2001).
    [CrossRef]
  3. A. V. Okishev, M. D. Skeldon, R. L. Keck, W. Seka, “All-solid-state optical pulse shaper for the Omega laser fusion facility,” in Advanced Solid State Lasers, H. Injeyan, U. Keller, C. Marshall, eds., Vol. 34 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2000), pp. 112–115.
  4. A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), p. 440.
  5. M. D. Selker, R. S. Afzal, J. L. Dallas, A. W. Yu, “Efficient, diode-laser-pumped, diode-laser-seeded, high-peak power Nd:YLF regenerative amplifier,” Opt. Lett. 19, 551–553 (1994).
    [CrossRef] [PubMed]
  6. L. Turi, T. Juhasz, “High-power longitudinally end-diode-pumped Nd:YLF regenerative amplifier,” Opt. Lett. 20, 154–156 (1995).
    [CrossRef] [PubMed]
  7. W. Koechner, Solid-State Laser Engineering, Vol. 1 of Optical Sciences Series (Springer-Verlag, New York, 1996), p. 47.
  8. F. J. Marshall, J. A. Delettrez, R. L. Keck, J. H. Kelly, P. B. Radha, L. J. Waxer, “Direct-drive implosion experiments with enhanced beam balance on Omega,” in LLE Review Quarterly Report, T. Collins, ed. (U. Rochester, Laboratory for Laser Energetics, Rochester, N.Y., April–June2002), Vol. 91, pp. 116–124.
  9. A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), p. 751.
  10. D. L. Brown, I. Will, R. G. Roides, C. K. Merle, M. D. Skeldon, W. Seka, “Regenerative amplifier with negative feedback for enhanced amplitude stability and external synchronizability,” in OSA Annual Meeting, Vol. 16 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 250.
  11. A. Okishev, M. D. Skeldon, S. A. Letzring, W. Seka, I. Will, “Nd:YLF regenerative amplifier for pulse-shaping on the 30-kJ (40-TW) UV Omega laser system,” in Advanced Solid-State Lasers, B. H. T. Chai, S. A. Payne, eds., Vol. 24 of 1995 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1995), pp. 274–276.
  12. M. D. Skeldon, A. Babushkin, W. Bittle, A. V. Okishev, W. Seka, “Modeling the temporal-pulse-shape dynamics of an actively stabilized regenerative amplifier,” IEEE J. Quantum Electron. 34, 286–291 (1998).
    [CrossRef]
  13. A. Babushkin, W. Bittle, S. A. Letzring, M. D. Skeldon, W. Seka, “Regenerative amplifier for the Omega laser system,” in Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, W. H. Lowdermilk, ed., Proc. SPIE3492, 124–130 (1999).
    [CrossRef]
  14. W. H. Lowdermilk, J. E. Murray, “The multipass amplifier: theory and numerical analysis,” J. Appl. Phys. 51, 2436–2444 (1980).
    [CrossRef]
  15. J. E. Murray, W. H. Lowdermilk, “Nd:YAG regenerative amplifier,” J. Appl. Phys. 51, 3548–3555 (1980).
    [CrossRef]
  16. A. V. Okishev, D. J. Battaglia, I. A. Begishev, J. D. Zuegel, “Highly-stable, diode-pumped, cavity-dumped Nd:YLF regenerative amplifier for the Omega laser fusion facility,” in Advanced Solid-State Lasers, M. E. Ferrman, L. R. Marshall, eds., Vol. 68 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2002), pp. 418–422.
  17. A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), p. 667.
  18. D. Findlay, R. A. Clay, “The measurement of internal losses in 4-level lasers,” Phys. Lett. 20, 277–278 (1966).
    [CrossRef]

2001 (1)

P. W. McKenty, V. N. Goncharov, R. P. J. Town, S. Skupsky, R. Betti, R. L. McCrory, “Analysis of a direct-drive ignition capsule designed for the National Ignition Facility,” Phys. Plasmas 8, 2315–2322 (2001).
[CrossRef]

1998 (1)

M. D. Skeldon, A. Babushkin, W. Bittle, A. V. Okishev, W. Seka, “Modeling the temporal-pulse-shape dynamics of an actively stabilized regenerative amplifier,” IEEE J. Quantum Electron. 34, 286–291 (1998).
[CrossRef]

1997 (1)

T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
[CrossRef]

1995 (1)

1994 (1)

1980 (2)

W. H. Lowdermilk, J. E. Murray, “The multipass amplifier: theory and numerical analysis,” J. Appl. Phys. 51, 2436–2444 (1980).
[CrossRef]

J. E. Murray, W. H. Lowdermilk, “Nd:YAG regenerative amplifier,” J. Appl. Phys. 51, 3548–3555 (1980).
[CrossRef]

1966 (1)

D. Findlay, R. A. Clay, “The measurement of internal losses in 4-level lasers,” Phys. Lett. 20, 277–278 (1966).
[CrossRef]

Afzal, R. S.

Babushkin, A.

M. D. Skeldon, A. Babushkin, W. Bittle, A. V. Okishev, W. Seka, “Modeling the temporal-pulse-shape dynamics of an actively stabilized regenerative amplifier,” IEEE J. Quantum Electron. 34, 286–291 (1998).
[CrossRef]

A. Babushkin, W. Bittle, S. A. Letzring, M. D. Skeldon, W. Seka, “Regenerative amplifier for the Omega laser system,” in Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, W. H. Lowdermilk, ed., Proc. SPIE3492, 124–130 (1999).
[CrossRef]

Battaglia, D. J.

A. V. Okishev, D. J. Battaglia, I. A. Begishev, J. D. Zuegel, “Highly-stable, diode-pumped, cavity-dumped Nd:YLF regenerative amplifier for the Omega laser fusion facility,” in Advanced Solid-State Lasers, M. E. Ferrman, L. R. Marshall, eds., Vol. 68 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2002), pp. 418–422.

Begishev, I. A.

A. V. Okishev, D. J. Battaglia, I. A. Begishev, J. D. Zuegel, “Highly-stable, diode-pumped, cavity-dumped Nd:YLF regenerative amplifier for the Omega laser fusion facility,” in Advanced Solid-State Lasers, M. E. Ferrman, L. R. Marshall, eds., Vol. 68 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2002), pp. 418–422.

Betti, R.

P. W. McKenty, V. N. Goncharov, R. P. J. Town, S. Skupsky, R. Betti, R. L. McCrory, “Analysis of a direct-drive ignition capsule designed for the National Ignition Facility,” Phys. Plasmas 8, 2315–2322 (2001).
[CrossRef]

Bittle, W.

M. D. Skeldon, A. Babushkin, W. Bittle, A. V. Okishev, W. Seka, “Modeling the temporal-pulse-shape dynamics of an actively stabilized regenerative amplifier,” IEEE J. Quantum Electron. 34, 286–291 (1998).
[CrossRef]

A. Babushkin, W. Bittle, S. A. Letzring, M. D. Skeldon, W. Seka, “Regenerative amplifier for the Omega laser system,” in Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, W. H. Lowdermilk, ed., Proc. SPIE3492, 124–130 (1999).
[CrossRef]

Boehly, T. R.

T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
[CrossRef]

Brown, D. L.

T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
[CrossRef]

D. L. Brown, I. Will, R. G. Roides, C. K. Merle, M. D. Skeldon, W. Seka, “Regenerative amplifier with negative feedback for enhanced amplitude stability and external synchronizability,” in OSA Annual Meeting, Vol. 16 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 250.

Clay, R. A.

D. Findlay, R. A. Clay, “The measurement of internal losses in 4-level lasers,” Phys. Lett. 20, 277–278 (1966).
[CrossRef]

Craxton, R. S.

T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
[CrossRef]

Dallas, J. L.

Delettrez, J. A.

F. J. Marshall, J. A. Delettrez, R. L. Keck, J. H. Kelly, P. B. Radha, L. J. Waxer, “Direct-drive implosion experiments with enhanced beam balance on Omega,” in LLE Review Quarterly Report, T. Collins, ed. (U. Rochester, Laboratory for Laser Energetics, Rochester, N.Y., April–June2002), Vol. 91, pp. 116–124.

Findlay, D.

D. Findlay, R. A. Clay, “The measurement of internal losses in 4-level lasers,” Phys. Lett. 20, 277–278 (1966).
[CrossRef]

Goncharov, V. N.

P. W. McKenty, V. N. Goncharov, R. P. J. Town, S. Skupsky, R. Betti, R. L. McCrory, “Analysis of a direct-drive ignition capsule designed for the National Ignition Facility,” Phys. Plasmas 8, 2315–2322 (2001).
[CrossRef]

Juhasz, T.

Keck, R. L.

T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
[CrossRef]

A. V. Okishev, M. D. Skeldon, R. L. Keck, W. Seka, “All-solid-state optical pulse shaper for the Omega laser fusion facility,” in Advanced Solid State Lasers, H. Injeyan, U. Keller, C. Marshall, eds., Vol. 34 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2000), pp. 112–115.

F. J. Marshall, J. A. Delettrez, R. L. Keck, J. H. Kelly, P. B. Radha, L. J. Waxer, “Direct-drive implosion experiments with enhanced beam balance on Omega,” in LLE Review Quarterly Report, T. Collins, ed. (U. Rochester, Laboratory for Laser Energetics, Rochester, N.Y., April–June2002), Vol. 91, pp. 116–124.

Kelly, J. H.

T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
[CrossRef]

F. J. Marshall, J. A. Delettrez, R. L. Keck, J. H. Kelly, P. B. Radha, L. J. Waxer, “Direct-drive implosion experiments with enhanced beam balance on Omega,” in LLE Review Quarterly Report, T. Collins, ed. (U. Rochester, Laboratory for Laser Energetics, Rochester, N.Y., April–June2002), Vol. 91, pp. 116–124.

Kessler, T. J.

T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
[CrossRef]

Knauer, J. P.

T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
[CrossRef]

Koechner, W.

W. Koechner, Solid-State Laser Engineering, Vol. 1 of Optical Sciences Series (Springer-Verlag, New York, 1996), p. 47.

Kumpan, S. A.

T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
[CrossRef]

Letzring, S. A.

T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
[CrossRef]

A. Babushkin, W. Bittle, S. A. Letzring, M. D. Skeldon, W. Seka, “Regenerative amplifier for the Omega laser system,” in Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, W. H. Lowdermilk, ed., Proc. SPIE3492, 124–130 (1999).
[CrossRef]

A. Okishev, M. D. Skeldon, S. A. Letzring, W. Seka, I. Will, “Nd:YLF regenerative amplifier for pulse-shaping on the 30-kJ (40-TW) UV Omega laser system,” in Advanced Solid-State Lasers, B. H. T. Chai, S. A. Payne, eds., Vol. 24 of 1995 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1995), pp. 274–276.

Loucks, S. J.

T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
[CrossRef]

Lowdermilk, W. H.

W. H. Lowdermilk, J. E. Murray, “The multipass amplifier: theory and numerical analysis,” J. Appl. Phys. 51, 2436–2444 (1980).
[CrossRef]

J. E. Murray, W. H. Lowdermilk, “Nd:YAG regenerative amplifier,” J. Appl. Phys. 51, 3548–3555 (1980).
[CrossRef]

Marshall, F. J.

T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
[CrossRef]

F. J. Marshall, J. A. Delettrez, R. L. Keck, J. H. Kelly, P. B. Radha, L. J. Waxer, “Direct-drive implosion experiments with enhanced beam balance on Omega,” in LLE Review Quarterly Report, T. Collins, ed. (U. Rochester, Laboratory for Laser Energetics, Rochester, N.Y., April–June2002), Vol. 91, pp. 116–124.

McCrory, R. L.

P. W. McKenty, V. N. Goncharov, R. P. J. Town, S. Skupsky, R. Betti, R. L. McCrory, “Analysis of a direct-drive ignition capsule designed for the National Ignition Facility,” Phys. Plasmas 8, 2315–2322 (2001).
[CrossRef]

T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
[CrossRef]

McKenty, P. W.

P. W. McKenty, V. N. Goncharov, R. P. J. Town, S. Skupsky, R. Betti, R. L. McCrory, “Analysis of a direct-drive ignition capsule designed for the National Ignition Facility,” Phys. Plasmas 8, 2315–2322 (2001).
[CrossRef]

Merle, C. K.

D. L. Brown, I. Will, R. G. Roides, C. K. Merle, M. D. Skeldon, W. Seka, “Regenerative amplifier with negative feedback for enhanced amplitude stability and external synchronizability,” in OSA Annual Meeting, Vol. 16 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 250.

Morse, S. F. B.

T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
[CrossRef]

Murray, J. E.

W. H. Lowdermilk, J. E. Murray, “The multipass amplifier: theory and numerical analysis,” J. Appl. Phys. 51, 2436–2444 (1980).
[CrossRef]

J. E. Murray, W. H. Lowdermilk, “Nd:YAG regenerative amplifier,” J. Appl. Phys. 51, 3548–3555 (1980).
[CrossRef]

Okishev, A.

A. Okishev, M. D. Skeldon, S. A. Letzring, W. Seka, I. Will, “Nd:YLF regenerative amplifier for pulse-shaping on the 30-kJ (40-TW) UV Omega laser system,” in Advanced Solid-State Lasers, B. H. T. Chai, S. A. Payne, eds., Vol. 24 of 1995 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1995), pp. 274–276.

Okishev, A. V.

M. D. Skeldon, A. Babushkin, W. Bittle, A. V. Okishev, W. Seka, “Modeling the temporal-pulse-shape dynamics of an actively stabilized regenerative amplifier,” IEEE J. Quantum Electron. 34, 286–291 (1998).
[CrossRef]

A. V. Okishev, D. J. Battaglia, I. A. Begishev, J. D. Zuegel, “Highly-stable, diode-pumped, cavity-dumped Nd:YLF regenerative amplifier for the Omega laser fusion facility,” in Advanced Solid-State Lasers, M. E. Ferrman, L. R. Marshall, eds., Vol. 68 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2002), pp. 418–422.

A. V. Okishev, M. D. Skeldon, R. L. Keck, W. Seka, “All-solid-state optical pulse shaper for the Omega laser fusion facility,” in Advanced Solid State Lasers, H. Injeyan, U. Keller, C. Marshall, eds., Vol. 34 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2000), pp. 112–115.

Radha, P. B.

F. J. Marshall, J. A. Delettrez, R. L. Keck, J. H. Kelly, P. B. Radha, L. J. Waxer, “Direct-drive implosion experiments with enhanced beam balance on Omega,” in LLE Review Quarterly Report, T. Collins, ed. (U. Rochester, Laboratory for Laser Energetics, Rochester, N.Y., April–June2002), Vol. 91, pp. 116–124.

Roides, R. G.

D. L. Brown, I. Will, R. G. Roides, C. K. Merle, M. D. Skeldon, W. Seka, “Regenerative amplifier with negative feedback for enhanced amplitude stability and external synchronizability,” in OSA Annual Meeting, Vol. 16 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 250.

Seka, W.

M. D. Skeldon, A. Babushkin, W. Bittle, A. V. Okishev, W. Seka, “Modeling the temporal-pulse-shape dynamics of an actively stabilized regenerative amplifier,” IEEE J. Quantum Electron. 34, 286–291 (1998).
[CrossRef]

T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
[CrossRef]

A. V. Okishev, M. D. Skeldon, R. L. Keck, W. Seka, “All-solid-state optical pulse shaper for the Omega laser fusion facility,” in Advanced Solid State Lasers, H. Injeyan, U. Keller, C. Marshall, eds., Vol. 34 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2000), pp. 112–115.

D. L. Brown, I. Will, R. G. Roides, C. K. Merle, M. D. Skeldon, W. Seka, “Regenerative amplifier with negative feedback for enhanced amplitude stability and external synchronizability,” in OSA Annual Meeting, Vol. 16 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 250.

A. Babushkin, W. Bittle, S. A. Letzring, M. D. Skeldon, W. Seka, “Regenerative amplifier for the Omega laser system,” in Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, W. H. Lowdermilk, ed., Proc. SPIE3492, 124–130 (1999).
[CrossRef]

A. Okishev, M. D. Skeldon, S. A. Letzring, W. Seka, I. Will, “Nd:YLF regenerative amplifier for pulse-shaping on the 30-kJ (40-TW) UV Omega laser system,” in Advanced Solid-State Lasers, B. H. T. Chai, S. A. Payne, eds., Vol. 24 of 1995 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1995), pp. 274–276.

Selker, M. D.

Siegman, A. E.

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), p. 751.

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), p. 667.

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), p. 440.

Skeldon, M. D.

M. D. Skeldon, A. Babushkin, W. Bittle, A. V. Okishev, W. Seka, “Modeling the temporal-pulse-shape dynamics of an actively stabilized regenerative amplifier,” IEEE J. Quantum Electron. 34, 286–291 (1998).
[CrossRef]

A. Okishev, M. D. Skeldon, S. A. Letzring, W. Seka, I. Will, “Nd:YLF regenerative amplifier for pulse-shaping on the 30-kJ (40-TW) UV Omega laser system,” in Advanced Solid-State Lasers, B. H. T. Chai, S. A. Payne, eds., Vol. 24 of 1995 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1995), pp. 274–276.

D. L. Brown, I. Will, R. G. Roides, C. K. Merle, M. D. Skeldon, W. Seka, “Regenerative amplifier with negative feedback for enhanced amplitude stability and external synchronizability,” in OSA Annual Meeting, Vol. 16 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 250.

A. Babushkin, W. Bittle, S. A. Letzring, M. D. Skeldon, W. Seka, “Regenerative amplifier for the Omega laser system,” in Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, W. H. Lowdermilk, ed., Proc. SPIE3492, 124–130 (1999).
[CrossRef]

A. V. Okishev, M. D. Skeldon, R. L. Keck, W. Seka, “All-solid-state optical pulse shaper for the Omega laser fusion facility,” in Advanced Solid State Lasers, H. Injeyan, U. Keller, C. Marshall, eds., Vol. 34 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2000), pp. 112–115.

Skupsky, S.

P. W. McKenty, V. N. Goncharov, R. P. J. Town, S. Skupsky, R. Betti, R. L. McCrory, “Analysis of a direct-drive ignition capsule designed for the National Ignition Facility,” Phys. Plasmas 8, 2315–2322 (2001).
[CrossRef]

Soures, J. M.

T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
[CrossRef]

Town, R. P. J.

P. W. McKenty, V. N. Goncharov, R. P. J. Town, S. Skupsky, R. Betti, R. L. McCrory, “Analysis of a direct-drive ignition capsule designed for the National Ignition Facility,” Phys. Plasmas 8, 2315–2322 (2001).
[CrossRef]

Turi, L.

Verdon, C. P.

T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
[CrossRef]

Waxer, L. J.

F. J. Marshall, J. A. Delettrez, R. L. Keck, J. H. Kelly, P. B. Radha, L. J. Waxer, “Direct-drive implosion experiments with enhanced beam balance on Omega,” in LLE Review Quarterly Report, T. Collins, ed. (U. Rochester, Laboratory for Laser Energetics, Rochester, N.Y., April–June2002), Vol. 91, pp. 116–124.

Will, I.

A. Okishev, M. D. Skeldon, S. A. Letzring, W. Seka, I. Will, “Nd:YLF regenerative amplifier for pulse-shaping on the 30-kJ (40-TW) UV Omega laser system,” in Advanced Solid-State Lasers, B. H. T. Chai, S. A. Payne, eds., Vol. 24 of 1995 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1995), pp. 274–276.

D. L. Brown, I. Will, R. G. Roides, C. K. Merle, M. D. Skeldon, W. Seka, “Regenerative amplifier with negative feedback for enhanced amplitude stability and external synchronizability,” in OSA Annual Meeting, Vol. 16 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 250.

Yu, A. W.

Zuegel, J. D.

A. V. Okishev, D. J. Battaglia, I. A. Begishev, J. D. Zuegel, “Highly-stable, diode-pumped, cavity-dumped Nd:YLF regenerative amplifier for the Omega laser fusion facility,” in Advanced Solid-State Lasers, M. E. Ferrman, L. R. Marshall, eds., Vol. 68 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2002), pp. 418–422.

IEEE J. Quantum Electron. (1)

M. D. Skeldon, A. Babushkin, W. Bittle, A. V. Okishev, W. Seka, “Modeling the temporal-pulse-shape dynamics of an actively stabilized regenerative amplifier,” IEEE J. Quantum Electron. 34, 286–291 (1998).
[CrossRef]

J. Appl. Phys. (2)

W. H. Lowdermilk, J. E. Murray, “The multipass amplifier: theory and numerical analysis,” J. Appl. Phys. 51, 2436–2444 (1980).
[CrossRef]

J. E. Murray, W. H. Lowdermilk, “Nd:YAG regenerative amplifier,” J. Appl. Phys. 51, 3548–3555 (1980).
[CrossRef]

Opt. Lett. (2)

Optics Commun. (1)

T. R. Boehly, D. L. Brown, R. S. Craxton, R. L. Keck, J. P. Knauer, J. H. Kelly, T. J. Kessler, S. A. Kumpan, S. J. Loucks, S. A. Letzring, F. J. Marshall, R. L. McCrory, S. F. B. Morse, W. Seka, J. M. Soures, C. P. Verdon, “Initial performance results of the Omega laser system,” Optics Commun. 133, 495–506 (1997).
[CrossRef]

Phys. Lett. (1)

D. Findlay, R. A. Clay, “The measurement of internal losses in 4-level lasers,” Phys. Lett. 20, 277–278 (1966).
[CrossRef]

Phys. Plasmas (1)

P. W. McKenty, V. N. Goncharov, R. P. J. Town, S. Skupsky, R. Betti, R. L. McCrory, “Analysis of a direct-drive ignition capsule designed for the National Ignition Facility,” Phys. Plasmas 8, 2315–2322 (2001).
[CrossRef]

Other (10)

A. V. Okishev, M. D. Skeldon, R. L. Keck, W. Seka, “All-solid-state optical pulse shaper for the Omega laser fusion facility,” in Advanced Solid State Lasers, H. Injeyan, U. Keller, C. Marshall, eds., Vol. 34 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2000), pp. 112–115.

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), p. 440.

A. Babushkin, W. Bittle, S. A. Letzring, M. D. Skeldon, W. Seka, “Regenerative amplifier for the Omega laser system,” in Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, W. H. Lowdermilk, ed., Proc. SPIE3492, 124–130 (1999).
[CrossRef]

A. V. Okishev, D. J. Battaglia, I. A. Begishev, J. D. Zuegel, “Highly-stable, diode-pumped, cavity-dumped Nd:YLF regenerative amplifier for the Omega laser fusion facility,” in Advanced Solid-State Lasers, M. E. Ferrman, L. R. Marshall, eds., Vol. 68 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2002), pp. 418–422.

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), p. 667.

W. Koechner, Solid-State Laser Engineering, Vol. 1 of Optical Sciences Series (Springer-Verlag, New York, 1996), p. 47.

F. J. Marshall, J. A. Delettrez, R. L. Keck, J. H. Kelly, P. B. Radha, L. J. Waxer, “Direct-drive implosion experiments with enhanced beam balance on Omega,” in LLE Review Quarterly Report, T. Collins, ed. (U. Rochester, Laboratory for Laser Energetics, Rochester, N.Y., April–June2002), Vol. 91, pp. 116–124.

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), p. 751.

D. L. Brown, I. Will, R. G. Roides, C. K. Merle, M. D. Skeldon, W. Seka, “Regenerative amplifier with negative feedback for enhanced amplitude stability and external synchronizability,” in OSA Annual Meeting, Vol. 16 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 250.

A. Okishev, M. D. Skeldon, S. A. Letzring, W. Seka, I. Will, “Nd:YLF regenerative amplifier for pulse-shaping on the 30-kJ (40-TW) UV Omega laser system,” in Advanced Solid-State Lasers, B. H. T. Chai, S. A. Payne, eds., Vol. 24 of 1995 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1995), pp. 274–276.

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Figures (7)

Fig. 1
Fig. 1

Omega laser’s driver-line layout. The Nd:glass amplifier performance is extremely critical to injected-pulse parameters.

Fig. 2
Fig. 2

Omega regenerative amplifier (regen) layout, including regen diagnostics. Inset shows the top view of the regen enclosure. The regen footprint is 41 cm × 112 cm (16 in. by 44 in.).

Fig. 3
Fig. 3

Single-pass and round-trip small-signal gain (SSG) in the regen. Gain/loss ratio in the cavity-dumped regen resonator exceeds 100.

Fig. 4
Fig. 4

Regen intracavity pulse buildup time changes weakly for various injected energies, and the peak of intracavity energy dynamics is relatively flat, providing output-pulse-energy insensitivity to significant injected-pulse-energy variations. The gain/loss ratio is ∼100).

Fig. 5
Fig. 5

Regen output-pulse energy becomes more sensitive to injected-pulse-energy variations when the gain/loss ratio is decreased.

Fig. 6
Fig. 6

(a) Regen square-pulse distortion is <25%. (b) Regen output-pulse-shape stability is excellent, <1%. (c) Long-term output-pulse-energy fluctuations are <1% rms.

Fig. 7
Fig. 7

The regen beam profile is nearly perfect. The beam ellipticity over the beam above 0.001 level is <1%.

Tables (1)

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Table 1 Omega Regenerative Amplifier Parameters

Equations (1)

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TrtTPC+Δtp,

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