Abstract

A Q-switched 946-nm Neodymium:yttrium aluminum garnet (Nd:YAG) laser pumped by a diode-laser array has been developed. At room temperature, pulses with 4.9-μJ energy and 68.5-ns pulse duration were observed. When the temperature of the Nd:YAG crystal was lowered to 5°C, the duration of the pulses was reduced to 62 ns, giving rise to peak powers of 76 W. By focusing the Q-switched pulses into a 5-mm-long potassium niobate crystal, second-harmonic generation produced blue light pulses at 473 nm of 42-ns duration and 22-W peak power. The pulse repetition rate was kept at 1.5 kHz throughout.

© 1992 Optical Society of America

Full Article  |  PDF Article

References

  • View by:
  • |
  • |
  • |

  1. T. Y. Fan, G. J. Dixon, R. L. Byer, “Efficient GaAlAs diode-laser-pumped operation of Nd:YLF at 1.047 μm with intracavity doubling to 523.6 nm,” Opt. Lett. 11, 204–206 (1986).
    [CrossRef] [PubMed]
  2. W. P. Risk, W. Lenth, “Room-temperature, continuous-wave, 946-nm Nd:YAG laser pumped by laser-diode arrays and intracavity frequency doubling to 473 nm,” Opt. Lett. 12, 993–995 (1987).
    [CrossRef] [PubMed]
  3. W. J. Kozlovsky, C. D. Nabors, R. L. Byer, “Efficient second harmonic generation of a diode-laser-pumped CW Nd:YAG laser using monolithic MgO:LiNbO3 external resonant cavities,” IEEE J. Quantum Electron. 24, 913–919 (1988).
    [CrossRef]
  4. L. Goldberg, M. K. Chun, “Efficient generation of 421 nm by resonantly enhanced doubling of GaAlAs laser diode array emission,” Appl. Phys. Lett. 55, 218–220 (1989).
    [CrossRef]
  5. W. P. Risk, R. N. Payne, W. Lenth, C. Harder, H. Meier, “Noncritically phase-matched frequency doubling using 994 nm dye and diode laser radiation in KTiOPO4,” Appl. Phys. Lett. 55, 1179–1181 (1989).
    [CrossRef]
  6. R. W. Wallace, S. E. Harris, “Oscillation and doubling of the 0.946-μ, line in Nd3+:YAG,” Appl. Phys. Lett. 15, 111–112 (1969).
    [CrossRef]
  7. T. Y. Fan, R. L. Byer, “Continuous-wave operation of a room-temperature, diode-laser-pumped, 946-nm Nd:YAG laser,” Opt. Lett. 12, 809–811 (1987).
    [CrossRef] [PubMed]
  8. G. J. Dixon, Z. M. Zhang, R. S. F. Chang, N. Djeu, “Efficient blue emission from an intracavity-doubled 946-nm Nd:YAG laser,” Opt. Lett. 13, 137–139 (1988).
    [CrossRef] [PubMed]
  9. W. P. Risk, R. Pon, W. Lenth, “Diode laser pumped blue-light source at 473 nm using intracavity frequency doubling of a 946 nm Nd:YAG laser,” Appl. Phys. Lett. 54, 1625–1627 (1989).
    [CrossRef]
  10. T. Y. Fan, R. L. Byer, “Modeling and CW operation of a quasi-three-level 946 nm Nd:YAG Laser,” IEEE J. Quantum Electron. QE-23, 605–612 (1987).
  11. H. W. Kogelnik, E. P. Ippen, A. Dienes, C. V. Shank, “Astigmatically compensated cavities of CW dye lasers,” IEEE J. Quantum Electron. QE-8, 373–379 (1972).
    [CrossRef]
  12. A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986).
  13. J. P. Hurrell, S. P. S. Porto, I. F. Chang, S. S. Mitra, R. P. Bauman, “Optical phonons of yttrium aluminum garnet,” Phys. Rev. 173, 851–856 (1968).
    [CrossRef]
  14. B. F. Aull, H. P. Jenssen, “Vibronic interactions in Nd:YAG resulting in nonreciprocity of absorption and stimulated emission cross sections,” IEEE J. Quantum Electron. QE-18, 925–930 (1982).
    [CrossRef]

1989 (3)

L. Goldberg, M. K. Chun, “Efficient generation of 421 nm by resonantly enhanced doubling of GaAlAs laser diode array emission,” Appl. Phys. Lett. 55, 218–220 (1989).
[CrossRef]

W. P. Risk, R. N. Payne, W. Lenth, C. Harder, H. Meier, “Noncritically phase-matched frequency doubling using 994 nm dye and diode laser radiation in KTiOPO4,” Appl. Phys. Lett. 55, 1179–1181 (1989).
[CrossRef]

W. P. Risk, R. Pon, W. Lenth, “Diode laser pumped blue-light source at 473 nm using intracavity frequency doubling of a 946 nm Nd:YAG laser,” Appl. Phys. Lett. 54, 1625–1627 (1989).
[CrossRef]

1988 (2)

W. J. Kozlovsky, C. D. Nabors, R. L. Byer, “Efficient second harmonic generation of a diode-laser-pumped CW Nd:YAG laser using monolithic MgO:LiNbO3 external resonant cavities,” IEEE J. Quantum Electron. 24, 913–919 (1988).
[CrossRef]

G. J. Dixon, Z. M. Zhang, R. S. F. Chang, N. Djeu, “Efficient blue emission from an intracavity-doubled 946-nm Nd:YAG laser,” Opt. Lett. 13, 137–139 (1988).
[CrossRef] [PubMed]

1987 (3)

1986 (1)

1982 (1)

B. F. Aull, H. P. Jenssen, “Vibronic interactions in Nd:YAG resulting in nonreciprocity of absorption and stimulated emission cross sections,” IEEE J. Quantum Electron. QE-18, 925–930 (1982).
[CrossRef]

1972 (1)

H. W. Kogelnik, E. P. Ippen, A. Dienes, C. V. Shank, “Astigmatically compensated cavities of CW dye lasers,” IEEE J. Quantum Electron. QE-8, 373–379 (1972).
[CrossRef]

1969 (1)

R. W. Wallace, S. E. Harris, “Oscillation and doubling of the 0.946-μ, line in Nd3+:YAG,” Appl. Phys. Lett. 15, 111–112 (1969).
[CrossRef]

1968 (1)

J. P. Hurrell, S. P. S. Porto, I. F. Chang, S. S. Mitra, R. P. Bauman, “Optical phonons of yttrium aluminum garnet,” Phys. Rev. 173, 851–856 (1968).
[CrossRef]

Aull, B. F.

B. F. Aull, H. P. Jenssen, “Vibronic interactions in Nd:YAG resulting in nonreciprocity of absorption and stimulated emission cross sections,” IEEE J. Quantum Electron. QE-18, 925–930 (1982).
[CrossRef]

Bauman, R. P.

J. P. Hurrell, S. P. S. Porto, I. F. Chang, S. S. Mitra, R. P. Bauman, “Optical phonons of yttrium aluminum garnet,” Phys. Rev. 173, 851–856 (1968).
[CrossRef]

Byer, R. L.

W. J. Kozlovsky, C. D. Nabors, R. L. Byer, “Efficient second harmonic generation of a diode-laser-pumped CW Nd:YAG laser using monolithic MgO:LiNbO3 external resonant cavities,” IEEE J. Quantum Electron. 24, 913–919 (1988).
[CrossRef]

T. Y. Fan, R. L. Byer, “Modeling and CW operation of a quasi-three-level 946 nm Nd:YAG Laser,” IEEE J. Quantum Electron. QE-23, 605–612 (1987).

T. Y. Fan, R. L. Byer, “Continuous-wave operation of a room-temperature, diode-laser-pumped, 946-nm Nd:YAG laser,” Opt. Lett. 12, 809–811 (1987).
[CrossRef] [PubMed]

T. Y. Fan, G. J. Dixon, R. L. Byer, “Efficient GaAlAs diode-laser-pumped operation of Nd:YLF at 1.047 μm with intracavity doubling to 523.6 nm,” Opt. Lett. 11, 204–206 (1986).
[CrossRef] [PubMed]

Chang, I. F.

J. P. Hurrell, S. P. S. Porto, I. F. Chang, S. S. Mitra, R. P. Bauman, “Optical phonons of yttrium aluminum garnet,” Phys. Rev. 173, 851–856 (1968).
[CrossRef]

Chang, R. S. F.

Chun, M. K.

L. Goldberg, M. K. Chun, “Efficient generation of 421 nm by resonantly enhanced doubling of GaAlAs laser diode array emission,” Appl. Phys. Lett. 55, 218–220 (1989).
[CrossRef]

Dienes, A.

H. W. Kogelnik, E. P. Ippen, A. Dienes, C. V. Shank, “Astigmatically compensated cavities of CW dye lasers,” IEEE J. Quantum Electron. QE-8, 373–379 (1972).
[CrossRef]

Dixon, G. J.

Djeu, N.

Fan, T. Y.

Goldberg, L.

L. Goldberg, M. K. Chun, “Efficient generation of 421 nm by resonantly enhanced doubling of GaAlAs laser diode array emission,” Appl. Phys. Lett. 55, 218–220 (1989).
[CrossRef]

Harder, C.

W. P. Risk, R. N. Payne, W. Lenth, C. Harder, H. Meier, “Noncritically phase-matched frequency doubling using 994 nm dye and diode laser radiation in KTiOPO4,” Appl. Phys. Lett. 55, 1179–1181 (1989).
[CrossRef]

Harris, S. E.

R. W. Wallace, S. E. Harris, “Oscillation and doubling of the 0.946-μ, line in Nd3+:YAG,” Appl. Phys. Lett. 15, 111–112 (1969).
[CrossRef]

Hurrell, J. P.

J. P. Hurrell, S. P. S. Porto, I. F. Chang, S. S. Mitra, R. P. Bauman, “Optical phonons of yttrium aluminum garnet,” Phys. Rev. 173, 851–856 (1968).
[CrossRef]

Ippen, E. P.

H. W. Kogelnik, E. P. Ippen, A. Dienes, C. V. Shank, “Astigmatically compensated cavities of CW dye lasers,” IEEE J. Quantum Electron. QE-8, 373–379 (1972).
[CrossRef]

Jenssen, H. P.

B. F. Aull, H. P. Jenssen, “Vibronic interactions in Nd:YAG resulting in nonreciprocity of absorption and stimulated emission cross sections,” IEEE J. Quantum Electron. QE-18, 925–930 (1982).
[CrossRef]

Kogelnik, H. W.

H. W. Kogelnik, E. P. Ippen, A. Dienes, C. V. Shank, “Astigmatically compensated cavities of CW dye lasers,” IEEE J. Quantum Electron. QE-8, 373–379 (1972).
[CrossRef]

Kozlovsky, W. J.

W. J. Kozlovsky, C. D. Nabors, R. L. Byer, “Efficient second harmonic generation of a diode-laser-pumped CW Nd:YAG laser using monolithic MgO:LiNbO3 external resonant cavities,” IEEE J. Quantum Electron. 24, 913–919 (1988).
[CrossRef]

Lenth, W.

W. P. Risk, R. N. Payne, W. Lenth, C. Harder, H. Meier, “Noncritically phase-matched frequency doubling using 994 nm dye and diode laser radiation in KTiOPO4,” Appl. Phys. Lett. 55, 1179–1181 (1989).
[CrossRef]

W. P. Risk, R. Pon, W. Lenth, “Diode laser pumped blue-light source at 473 nm using intracavity frequency doubling of a 946 nm Nd:YAG laser,” Appl. Phys. Lett. 54, 1625–1627 (1989).
[CrossRef]

W. P. Risk, W. Lenth, “Room-temperature, continuous-wave, 946-nm Nd:YAG laser pumped by laser-diode arrays and intracavity frequency doubling to 473 nm,” Opt. Lett. 12, 993–995 (1987).
[CrossRef] [PubMed]

Meier, H.

W. P. Risk, R. N. Payne, W. Lenth, C. Harder, H. Meier, “Noncritically phase-matched frequency doubling using 994 nm dye and diode laser radiation in KTiOPO4,” Appl. Phys. Lett. 55, 1179–1181 (1989).
[CrossRef]

Mitra, S. S.

J. P. Hurrell, S. P. S. Porto, I. F. Chang, S. S. Mitra, R. P. Bauman, “Optical phonons of yttrium aluminum garnet,” Phys. Rev. 173, 851–856 (1968).
[CrossRef]

Nabors, C. D.

W. J. Kozlovsky, C. D. Nabors, R. L. Byer, “Efficient second harmonic generation of a diode-laser-pumped CW Nd:YAG laser using monolithic MgO:LiNbO3 external resonant cavities,” IEEE J. Quantum Electron. 24, 913–919 (1988).
[CrossRef]

Payne, R. N.

W. P. Risk, R. N. Payne, W. Lenth, C. Harder, H. Meier, “Noncritically phase-matched frequency doubling using 994 nm dye and diode laser radiation in KTiOPO4,” Appl. Phys. Lett. 55, 1179–1181 (1989).
[CrossRef]

Pon, R.

W. P. Risk, R. Pon, W. Lenth, “Diode laser pumped blue-light source at 473 nm using intracavity frequency doubling of a 946 nm Nd:YAG laser,” Appl. Phys. Lett. 54, 1625–1627 (1989).
[CrossRef]

Porto, S. P. S.

J. P. Hurrell, S. P. S. Porto, I. F. Chang, S. S. Mitra, R. P. Bauman, “Optical phonons of yttrium aluminum garnet,” Phys. Rev. 173, 851–856 (1968).
[CrossRef]

Risk, W. P.

W. P. Risk, R. Pon, W. Lenth, “Diode laser pumped blue-light source at 473 nm using intracavity frequency doubling of a 946 nm Nd:YAG laser,” Appl. Phys. Lett. 54, 1625–1627 (1989).
[CrossRef]

W. P. Risk, R. N. Payne, W. Lenth, C. Harder, H. Meier, “Noncritically phase-matched frequency doubling using 994 nm dye and diode laser radiation in KTiOPO4,” Appl. Phys. Lett. 55, 1179–1181 (1989).
[CrossRef]

W. P. Risk, W. Lenth, “Room-temperature, continuous-wave, 946-nm Nd:YAG laser pumped by laser-diode arrays and intracavity frequency doubling to 473 nm,” Opt. Lett. 12, 993–995 (1987).
[CrossRef] [PubMed]

Shank, C. V.

H. W. Kogelnik, E. P. Ippen, A. Dienes, C. V. Shank, “Astigmatically compensated cavities of CW dye lasers,” IEEE J. Quantum Electron. QE-8, 373–379 (1972).
[CrossRef]

Siegman, A. E.

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

Wallace, R. W.

R. W. Wallace, S. E. Harris, “Oscillation and doubling of the 0.946-μ, line in Nd3+:YAG,” Appl. Phys. Lett. 15, 111–112 (1969).
[CrossRef]

Zhang, Z. M.

Appl. Phys. Lett. (4)

L. Goldberg, M. K. Chun, “Efficient generation of 421 nm by resonantly enhanced doubling of GaAlAs laser diode array emission,” Appl. Phys. Lett. 55, 218–220 (1989).
[CrossRef]

W. P. Risk, R. N. Payne, W. Lenth, C. Harder, H. Meier, “Noncritically phase-matched frequency doubling using 994 nm dye and diode laser radiation in KTiOPO4,” Appl. Phys. Lett. 55, 1179–1181 (1989).
[CrossRef]

R. W. Wallace, S. E. Harris, “Oscillation and doubling of the 0.946-μ, line in Nd3+:YAG,” Appl. Phys. Lett. 15, 111–112 (1969).
[CrossRef]

W. P. Risk, R. Pon, W. Lenth, “Diode laser pumped blue-light source at 473 nm using intracavity frequency doubling of a 946 nm Nd:YAG laser,” Appl. Phys. Lett. 54, 1625–1627 (1989).
[CrossRef]

IEEE J. Quantum Electron. (4)

T. Y. Fan, R. L. Byer, “Modeling and CW operation of a quasi-three-level 946 nm Nd:YAG Laser,” IEEE J. Quantum Electron. QE-23, 605–612 (1987).

H. W. Kogelnik, E. P. Ippen, A. Dienes, C. V. Shank, “Astigmatically compensated cavities of CW dye lasers,” IEEE J. Quantum Electron. QE-8, 373–379 (1972).
[CrossRef]

W. J. Kozlovsky, C. D. Nabors, R. L. Byer, “Efficient second harmonic generation of a diode-laser-pumped CW Nd:YAG laser using monolithic MgO:LiNbO3 external resonant cavities,” IEEE J. Quantum Electron. 24, 913–919 (1988).
[CrossRef]

B. F. Aull, H. P. Jenssen, “Vibronic interactions in Nd:YAG resulting in nonreciprocity of absorption and stimulated emission cross sections,” IEEE J. Quantum Electron. QE-18, 925–930 (1982).
[CrossRef]

Opt. Lett. (4)

Phys. Rev. (1)

J. P. Hurrell, S. P. S. Porto, I. F. Chang, S. S. Mitra, R. P. Bauman, “Optical phonons of yttrium aluminum garnet,” Phys. Rev. 173, 851–856 (1968).
[CrossRef]

Other (1)

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

Cited By

OSA participates in CrossRef's Cited-By Linking service. Citing articles from OSA journals and other participating publishers are listed here.

Alert me when this article is cited.


Figures (3)

Fig. 1
Fig. 1

Q-switched 946-nm Nd:YAG laser-cavity layout.

Fig. 2
Fig. 2

Q-switched 946-nm pulses at different diode-pump levels (Pp).

Fig. 3
Fig. 3

Q-switched pulse parameters as functions of the pump rate relative to threshold: (a) pulse buildup time, (b) pulse width, and (c) peak power. The Nd:YAG rod was kept at 5°C for this study.

Equations (4)

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

t b = A τ c / ( r 1 ) ,
τ = r η ( r ) r 1 ln r τ c ,
P peak = c h ν n th ( f a + f b ) 2 L ( r 1 ln r ) T ,
P thr = P thr ( No lower level effects ) × ( 1 + 2 σ f a N 0 l δ ) ,

Metrics