Abstract

A diode-pumped single Nd:YOS rod laser is operated at 110 Hz with 830-mJ free-lase pulses and 380-mJ, 13-ns (FWHM) Q-switched pulses. External doubling with an 8-mm-long KTP crystal results in 24 W at 0.537 μm after thermalization.

© 1994 Optical Society of America

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References

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  1. M. V. Ortiz, D. J. Kuizenga, J. H. Fair, “High average power second harmonic generation with KTiOPO4,” in Advanced Solid-State Lasers, L. Chase, A. A. Pinto, eds., Vol. 13 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1992), pp. 302–304.
  2. J. Kasinski, P. Bournes, D. DiBiase, R. Burnham, “High power near-diffraction-limited high-efficiency diode-pumped YAG MOPA at 100 Hz,” in Conference on Lasers and Electro-Optics, Vol. 11 of 1993 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 274.
  3. A. A. Kaminskii, Laser Crystals-Their Physics and Properties, 2nd ed. (Springer-Verlag, Berlin, 1990), Chap. 5, pp. 252–253, and references therein.
  4. R. Beach, G. Albrecht, R. Solarz, W. Krupke, B. Comaskey, S. Mitchell, “Q-switched laser at 912 nm using ground-state-depleted neodymium in yttrium orthosilicate,” Opt. Lett. 15, 1020–1022 (1990).
    [Crossref] [PubMed]
  5. B. Comaskey, G. Albrecht, R. Beach, B. Moran, R. Solarz, “Flash-lamp-pumped laser operation of Nd3+:Y2SiO5 at 1.074 μm,” Opt. Lett. 18, 2029–2031 (1993).
    [Crossref] [PubMed]
  6. C. D. Brandle, AT&T, Murray Hill, N.J. 07974-2070 (personal communication, January1993).
  7. R. Beach, W. J. Bennet, B. L. Freitas, D. Mundinger, B. Comaskey, R. Solarz, M. A. Emanuel, “Modular microchannel cooled heatsinks for high average power laser diode arrays,” IEEE J. Quantum Electron. 28, 966–976 (1992).
    [Crossref]
  8. B. Comaskey, R. Beach, G. Albrecht, W. J. Bennett, B. L. Freitas, C. Petty, D. Van Lue, D. Mundinger, R. W. Solarz, “High average power diode pumped slab laser,” IEEE J. Quantum Electron. 28, 992–996 (1992).
    [Crossref]
  9. L. L. Steinmetz, T. W. Pouliot, B. C. Johnson, “Cylindrical ring electrode KD*P electro-optic modulator,” Appl. Opt. 12, 1468–1471 (1973).
    [Crossref] [PubMed]
  10. B. Zwicker, P. Scherrer, “Electrootische Eigenschaften der seignetteelctrischen Kristalle KH2PO4,” Helv. Phys. Acta 27, 346–373 (1944).
  11. W. W. Rigrod, “Saturation effects in high-gain lasers,” J. Appl. Phys. 36, 2487–2490 (1965).
    [Crossref]
  12. W. Benett, B. Freitas, D. Ciarlo, R. Beach, S. Sutton, R. Reichert, V. Sperry, “Scalable high average power diode arrays using microchannel cooling,” in Conference on Lasers and Electro-Optics, Vol. 11 of 1993 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 404.
  13. B. Comaskey, B. D. Moran, G. F. Albrecht, R. J. Beach, “Characterization of the heat loading of Nd doped YAG, YOS, YLF, and GGG excited at diode pumping wavelengths,” Rep. UCRL-JC-110280 (Lawrence Livermore National Laboratory, Livermore, Calif., 1992).
  14. W. Koechner, Solid-State Laser Engineering, 3rd ed. (Springer-Verlag, Berlin, 1992), Chap. 2, p. 51 (1992).
  15. J. D. Bierlein, H. Vanherzeele, “Potassium titanyl phosphate: properties and new applications,” J. Opt. Soc. Am. B 6, 622–633 (1989).
    [Crossref]
  16. D. Eimerl, “High average power harmonic generation,” IEEE J. Quantum Electron. QE-23, 575–592 (1987).
    [Crossref]

1993 (1)

1992 (2)

R. Beach, W. J. Bennet, B. L. Freitas, D. Mundinger, B. Comaskey, R. Solarz, M. A. Emanuel, “Modular microchannel cooled heatsinks for high average power laser diode arrays,” IEEE J. Quantum Electron. 28, 966–976 (1992).
[Crossref]

B. Comaskey, R. Beach, G. Albrecht, W. J. Bennett, B. L. Freitas, C. Petty, D. Van Lue, D. Mundinger, R. W. Solarz, “High average power diode pumped slab laser,” IEEE J. Quantum Electron. 28, 992–996 (1992).
[Crossref]

1990 (1)

1989 (1)

1987 (1)

D. Eimerl, “High average power harmonic generation,” IEEE J. Quantum Electron. QE-23, 575–592 (1987).
[Crossref]

1973 (1)

1965 (1)

W. W. Rigrod, “Saturation effects in high-gain lasers,” J. Appl. Phys. 36, 2487–2490 (1965).
[Crossref]

1944 (1)

B. Zwicker, P. Scherrer, “Electrootische Eigenschaften der seignetteelctrischen Kristalle KH2PO4,” Helv. Phys. Acta 27, 346–373 (1944).

Albrecht, G.

Albrecht, G. F.

B. Comaskey, B. D. Moran, G. F. Albrecht, R. J. Beach, “Characterization of the heat loading of Nd doped YAG, YOS, YLF, and GGG excited at diode pumping wavelengths,” Rep. UCRL-JC-110280 (Lawrence Livermore National Laboratory, Livermore, Calif., 1992).

Beach, R.

B. Comaskey, G. Albrecht, R. Beach, B. Moran, R. Solarz, “Flash-lamp-pumped laser operation of Nd3+:Y2SiO5 at 1.074 μm,” Opt. Lett. 18, 2029–2031 (1993).
[Crossref] [PubMed]

R. Beach, W. J. Bennet, B. L. Freitas, D. Mundinger, B. Comaskey, R. Solarz, M. A. Emanuel, “Modular microchannel cooled heatsinks for high average power laser diode arrays,” IEEE J. Quantum Electron. 28, 966–976 (1992).
[Crossref]

B. Comaskey, R. Beach, G. Albrecht, W. J. Bennett, B. L. Freitas, C. Petty, D. Van Lue, D. Mundinger, R. W. Solarz, “High average power diode pumped slab laser,” IEEE J. Quantum Electron. 28, 992–996 (1992).
[Crossref]

R. Beach, G. Albrecht, R. Solarz, W. Krupke, B. Comaskey, S. Mitchell, “Q-switched laser at 912 nm using ground-state-depleted neodymium in yttrium orthosilicate,” Opt. Lett. 15, 1020–1022 (1990).
[Crossref] [PubMed]

W. Benett, B. Freitas, D. Ciarlo, R. Beach, S. Sutton, R. Reichert, V. Sperry, “Scalable high average power diode arrays using microchannel cooling,” in Conference on Lasers and Electro-Optics, Vol. 11 of 1993 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 404.

Beach, R. J.

B. Comaskey, B. D. Moran, G. F. Albrecht, R. J. Beach, “Characterization of the heat loading of Nd doped YAG, YOS, YLF, and GGG excited at diode pumping wavelengths,” Rep. UCRL-JC-110280 (Lawrence Livermore National Laboratory, Livermore, Calif., 1992).

Benett, W.

W. Benett, B. Freitas, D. Ciarlo, R. Beach, S. Sutton, R. Reichert, V. Sperry, “Scalable high average power diode arrays using microchannel cooling,” in Conference on Lasers and Electro-Optics, Vol. 11 of 1993 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 404.

Bennet, W. J.

R. Beach, W. J. Bennet, B. L. Freitas, D. Mundinger, B. Comaskey, R. Solarz, M. A. Emanuel, “Modular microchannel cooled heatsinks for high average power laser diode arrays,” IEEE J. Quantum Electron. 28, 966–976 (1992).
[Crossref]

Bennett, W. J.

B. Comaskey, R. Beach, G. Albrecht, W. J. Bennett, B. L. Freitas, C. Petty, D. Van Lue, D. Mundinger, R. W. Solarz, “High average power diode pumped slab laser,” IEEE J. Quantum Electron. 28, 992–996 (1992).
[Crossref]

Bierlein, J. D.

Bournes, P.

J. Kasinski, P. Bournes, D. DiBiase, R. Burnham, “High power near-diffraction-limited high-efficiency diode-pumped YAG MOPA at 100 Hz,” in Conference on Lasers and Electro-Optics, Vol. 11 of 1993 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 274.

Brandle, C. D.

C. D. Brandle, AT&T, Murray Hill, N.J. 07974-2070 (personal communication, January1993).

Burnham, R.

J. Kasinski, P. Bournes, D. DiBiase, R. Burnham, “High power near-diffraction-limited high-efficiency diode-pumped YAG MOPA at 100 Hz,” in Conference on Lasers and Electro-Optics, Vol. 11 of 1993 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 274.

Ciarlo, D.

W. Benett, B. Freitas, D. Ciarlo, R. Beach, S. Sutton, R. Reichert, V. Sperry, “Scalable high average power diode arrays using microchannel cooling,” in Conference on Lasers and Electro-Optics, Vol. 11 of 1993 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 404.

Comaskey, B.

B. Comaskey, G. Albrecht, R. Beach, B. Moran, R. Solarz, “Flash-lamp-pumped laser operation of Nd3+:Y2SiO5 at 1.074 μm,” Opt. Lett. 18, 2029–2031 (1993).
[Crossref] [PubMed]

R. Beach, W. J. Bennet, B. L. Freitas, D. Mundinger, B. Comaskey, R. Solarz, M. A. Emanuel, “Modular microchannel cooled heatsinks for high average power laser diode arrays,” IEEE J. Quantum Electron. 28, 966–976 (1992).
[Crossref]

B. Comaskey, R. Beach, G. Albrecht, W. J. Bennett, B. L. Freitas, C. Petty, D. Van Lue, D. Mundinger, R. W. Solarz, “High average power diode pumped slab laser,” IEEE J. Quantum Electron. 28, 992–996 (1992).
[Crossref]

R. Beach, G. Albrecht, R. Solarz, W. Krupke, B. Comaskey, S. Mitchell, “Q-switched laser at 912 nm using ground-state-depleted neodymium in yttrium orthosilicate,” Opt. Lett. 15, 1020–1022 (1990).
[Crossref] [PubMed]

B. Comaskey, B. D. Moran, G. F. Albrecht, R. J. Beach, “Characterization of the heat loading of Nd doped YAG, YOS, YLF, and GGG excited at diode pumping wavelengths,” Rep. UCRL-JC-110280 (Lawrence Livermore National Laboratory, Livermore, Calif., 1992).

DiBiase, D.

J. Kasinski, P. Bournes, D. DiBiase, R. Burnham, “High power near-diffraction-limited high-efficiency diode-pumped YAG MOPA at 100 Hz,” in Conference on Lasers and Electro-Optics, Vol. 11 of 1993 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 274.

Eimerl, D.

D. Eimerl, “High average power harmonic generation,” IEEE J. Quantum Electron. QE-23, 575–592 (1987).
[Crossref]

Emanuel, M. A.

R. Beach, W. J. Bennet, B. L. Freitas, D. Mundinger, B. Comaskey, R. Solarz, M. A. Emanuel, “Modular microchannel cooled heatsinks for high average power laser diode arrays,” IEEE J. Quantum Electron. 28, 966–976 (1992).
[Crossref]

Fair, J. H.

M. V. Ortiz, D. J. Kuizenga, J. H. Fair, “High average power second harmonic generation with KTiOPO4,” in Advanced Solid-State Lasers, L. Chase, A. A. Pinto, eds., Vol. 13 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1992), pp. 302–304.

Freitas, B.

W. Benett, B. Freitas, D. Ciarlo, R. Beach, S. Sutton, R. Reichert, V. Sperry, “Scalable high average power diode arrays using microchannel cooling,” in Conference on Lasers and Electro-Optics, Vol. 11 of 1993 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 404.

Freitas, B. L.

B. Comaskey, R. Beach, G. Albrecht, W. J. Bennett, B. L. Freitas, C. Petty, D. Van Lue, D. Mundinger, R. W. Solarz, “High average power diode pumped slab laser,” IEEE J. Quantum Electron. 28, 992–996 (1992).
[Crossref]

R. Beach, W. J. Bennet, B. L. Freitas, D. Mundinger, B. Comaskey, R. Solarz, M. A. Emanuel, “Modular microchannel cooled heatsinks for high average power laser diode arrays,” IEEE J. Quantum Electron. 28, 966–976 (1992).
[Crossref]

Johnson, B. C.

Kaminskii, A. A.

A. A. Kaminskii, Laser Crystals-Their Physics and Properties, 2nd ed. (Springer-Verlag, Berlin, 1990), Chap. 5, pp. 252–253, and references therein.

Kasinski, J.

J. Kasinski, P. Bournes, D. DiBiase, R. Burnham, “High power near-diffraction-limited high-efficiency diode-pumped YAG MOPA at 100 Hz,” in Conference on Lasers and Electro-Optics, Vol. 11 of 1993 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 274.

Koechner, W.

W. Koechner, Solid-State Laser Engineering, 3rd ed. (Springer-Verlag, Berlin, 1992), Chap. 2, p. 51 (1992).

Krupke, W.

Kuizenga, D. J.

M. V. Ortiz, D. J. Kuizenga, J. H. Fair, “High average power second harmonic generation with KTiOPO4,” in Advanced Solid-State Lasers, L. Chase, A. A. Pinto, eds., Vol. 13 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1992), pp. 302–304.

Mitchell, S.

Moran, B.

Moran, B. D.

B. Comaskey, B. D. Moran, G. F. Albrecht, R. J. Beach, “Characterization of the heat loading of Nd doped YAG, YOS, YLF, and GGG excited at diode pumping wavelengths,” Rep. UCRL-JC-110280 (Lawrence Livermore National Laboratory, Livermore, Calif., 1992).

Mundinger, D.

B. Comaskey, R. Beach, G. Albrecht, W. J. Bennett, B. L. Freitas, C. Petty, D. Van Lue, D. Mundinger, R. W. Solarz, “High average power diode pumped slab laser,” IEEE J. Quantum Electron. 28, 992–996 (1992).
[Crossref]

R. Beach, W. J. Bennet, B. L. Freitas, D. Mundinger, B. Comaskey, R. Solarz, M. A. Emanuel, “Modular microchannel cooled heatsinks for high average power laser diode arrays,” IEEE J. Quantum Electron. 28, 966–976 (1992).
[Crossref]

Ortiz, M. V.

M. V. Ortiz, D. J. Kuizenga, J. H. Fair, “High average power second harmonic generation with KTiOPO4,” in Advanced Solid-State Lasers, L. Chase, A. A. Pinto, eds., Vol. 13 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1992), pp. 302–304.

Petty, C.

B. Comaskey, R. Beach, G. Albrecht, W. J. Bennett, B. L. Freitas, C. Petty, D. Van Lue, D. Mundinger, R. W. Solarz, “High average power diode pumped slab laser,” IEEE J. Quantum Electron. 28, 992–996 (1992).
[Crossref]

Pouliot, T. W.

Reichert, R.

W. Benett, B. Freitas, D. Ciarlo, R. Beach, S. Sutton, R. Reichert, V. Sperry, “Scalable high average power diode arrays using microchannel cooling,” in Conference on Lasers and Electro-Optics, Vol. 11 of 1993 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 404.

Rigrod, W. W.

W. W. Rigrod, “Saturation effects in high-gain lasers,” J. Appl. Phys. 36, 2487–2490 (1965).
[Crossref]

Scherrer, P.

B. Zwicker, P. Scherrer, “Electrootische Eigenschaften der seignetteelctrischen Kristalle KH2PO4,” Helv. Phys. Acta 27, 346–373 (1944).

Solarz, R.

Solarz, R. W.

B. Comaskey, R. Beach, G. Albrecht, W. J. Bennett, B. L. Freitas, C. Petty, D. Van Lue, D. Mundinger, R. W. Solarz, “High average power diode pumped slab laser,” IEEE J. Quantum Electron. 28, 992–996 (1992).
[Crossref]

Sperry, V.

W. Benett, B. Freitas, D. Ciarlo, R. Beach, S. Sutton, R. Reichert, V. Sperry, “Scalable high average power diode arrays using microchannel cooling,” in Conference on Lasers and Electro-Optics, Vol. 11 of 1993 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 404.

Steinmetz, L. L.

Sutton, S.

W. Benett, B. Freitas, D. Ciarlo, R. Beach, S. Sutton, R. Reichert, V. Sperry, “Scalable high average power diode arrays using microchannel cooling,” in Conference on Lasers and Electro-Optics, Vol. 11 of 1993 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 404.

Van Lue, D.

B. Comaskey, R. Beach, G. Albrecht, W. J. Bennett, B. L. Freitas, C. Petty, D. Van Lue, D. Mundinger, R. W. Solarz, “High average power diode pumped slab laser,” IEEE J. Quantum Electron. 28, 992–996 (1992).
[Crossref]

Vanherzeele, H.

Zwicker, B.

B. Zwicker, P. Scherrer, “Electrootische Eigenschaften der seignetteelctrischen Kristalle KH2PO4,” Helv. Phys. Acta 27, 346–373 (1944).

Appl. Opt. (1)

Helv. Phys. Acta (1)

B. Zwicker, P. Scherrer, “Electrootische Eigenschaften der seignetteelctrischen Kristalle KH2PO4,” Helv. Phys. Acta 27, 346–373 (1944).

IEEE J. Quantum Electron. (3)

R. Beach, W. J. Bennet, B. L. Freitas, D. Mundinger, B. Comaskey, R. Solarz, M. A. Emanuel, “Modular microchannel cooled heatsinks for high average power laser diode arrays,” IEEE J. Quantum Electron. 28, 966–976 (1992).
[Crossref]

B. Comaskey, R. Beach, G. Albrecht, W. J. Bennett, B. L. Freitas, C. Petty, D. Van Lue, D. Mundinger, R. W. Solarz, “High average power diode pumped slab laser,” IEEE J. Quantum Electron. 28, 992–996 (1992).
[Crossref]

D. Eimerl, “High average power harmonic generation,” IEEE J. Quantum Electron. QE-23, 575–592 (1987).
[Crossref]

J. Appl. Phys. (1)

W. W. Rigrod, “Saturation effects in high-gain lasers,” J. Appl. Phys. 36, 2487–2490 (1965).
[Crossref]

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

Opt. Lett. (2)

Other (7)

C. D. Brandle, AT&T, Murray Hill, N.J. 07974-2070 (personal communication, January1993).

M. V. Ortiz, D. J. Kuizenga, J. H. Fair, “High average power second harmonic generation with KTiOPO4,” in Advanced Solid-State Lasers, L. Chase, A. A. Pinto, eds., Vol. 13 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1992), pp. 302–304.

J. Kasinski, P. Bournes, D. DiBiase, R. Burnham, “High power near-diffraction-limited high-efficiency diode-pumped YAG MOPA at 100 Hz,” in Conference on Lasers and Electro-Optics, Vol. 11 of 1993 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 274.

A. A. Kaminskii, Laser Crystals-Their Physics and Properties, 2nd ed. (Springer-Verlag, Berlin, 1990), Chap. 5, pp. 252–253, and references therein.

W. Benett, B. Freitas, D. Ciarlo, R. Beach, S. Sutton, R. Reichert, V. Sperry, “Scalable high average power diode arrays using microchannel cooling,” in Conference on Lasers and Electro-Optics, Vol. 11 of 1993 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), p. 404.

B. Comaskey, B. D. Moran, G. F. Albrecht, R. J. Beach, “Characterization of the heat loading of Nd doped YAG, YOS, YLF, and GGG excited at diode pumping wavelengths,” Rep. UCRL-JC-110280 (Lawrence Livermore National Laboratory, Livermore, Calif., 1992).

W. Koechner, Solid-State Laser Engineering, 3rd ed. (Springer-Verlag, Berlin, 1992), Chap. 2, p. 51 (1992).

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Figures (9)

Fig. 1
Fig. 1

Master oscillator layout.

Fig. 2
Fig. 2

Characterization of one of four diode-pump modules.

Fig. 3
Fig. 3

Spectral output of one of four diode-pump modules operated at a 200-μs, 110-A drive.

Fig. 4
Fig. 4

Measured Pockels cell voltage range for gain standoff versus free-lase-pulse output. In this system Q-switched output and free-lase output were approximately the same.

Fig. 5
Fig. 5

Free-lase power with optimized output coupler versus repetition rate.

Fig. 6
Fig. 6

Free-lase output pulse.

Fig. 7
Fig. 7

Data and the best fit to thermal focusing yield a dn/dT for YOS twice as large as dn/dT for YAG.

Fig. 8
Fig. 8

Q-switched pulse energy for YOS versus repetition rate.

Fig. 9
Fig. 9

Beam profiles of multitransverse-mode Q-switched laser output.

Equations (1)

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I = ( 1 - R 2 ) * I sat * [ ln ( G 0 ) + ln ( R 1 * R 2 ) ] [ 1 + ( R 2 R 1 ) 1 / 2 ] [ 1 - ( R 1 R 2 ) 1 / 2 ] .

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