Abstract

We have demonstrated high-peak-power generation at 1 kW average power by applying an acousto-optic Q switch to a quasi-cw diode-pumped Nd:YAG master oscillator power amplifier. We achieved a maximum peak power of 2.3 MW by driving the Q switch in burst mode. The average repetition rate was 6 kHz. The corresponding beam quality was M2 = 9.

© 2005 Optical Society of America

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References

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  1. K. Yasui, “Efficient and stable operation of a high-brightness cw 500-WNd:YAG rod laser,” Appl. Opt. 35, 2566–2569 (1996).
    [CrossRef] [PubMed]
  2. S. Fujikawa, K. Furuta, K. Yasui, “28% electrical-efficiency operation of a diode-side-pumped Nd:YAG rod laser,” Opt. Lett. 26, 602–604 (2001).
    [CrossRef]
  3. K. Furuta, S. Fujikawa, K. Yasui, “Efficient high-beam-quality operation by use of a diode-stacks-side-pumped quasi-cw Nd:YAG laser,” in Advanced Solid State Lasers, Vol. 31 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2001), paper MA5.
  4. I. Freitag, A. Tunnermann, H. Welling, “Passively Q-switched Nd:YAG ring lasers with high average output power in single-frequency operation,” Opt. Lett. 22, 706–708 (1997).
    [CrossRef] [PubMed]
  5. J. Song, C. Li, N. S. Kim, K. Ueda, “Passively Q-switched diode-pumped continuous-wave Nd:YAG–Cr4+:YAG laser with high peak power and high pulse energy,” Appl. Opt. 39, 4954–4958 (2000).
    [CrossRef]
  6. H. Kiriyama, K. Yamakawa, T. Nagai, N. Kageyama, H. Miyajima, H. Kan, H. Yoshida, M. Nakatsuka, “360-W average power operation with a single-stage diode-pumped Nd:YAG amplifier at a 1-kHz repetition rate,” Opt. Lett. 28, 1671–1673 (2003).
    [CrossRef] [PubMed]
  7. Y. Koyata, S. Yamamoto, Y. Hirano, “Burst-mode Q-switching operation of a Nd:YAG rod laser,” in Advanced High-Power Lasers, M. Osinski, H. T. Powell, K. Toyoda, eds., Proc. SPIE3889, 224–230 (2000).
    [CrossRef]
  8. S. Yamamoto, Y. Koyata, N. Pavel, Y. Hirano, “Long-time operation of a 100 W green average power two rod double-pass Nd:YAG MOPA system,” in Advanced High-Power Lasers, M. Osinski, H. T. Powell, K. Toyoda, eds., Proc. SPIE3889, 279–287 (2000).
    [CrossRef]
  9. K. Tei, M. Kato, Y. Niwa, S. Harayama, Y. Maruyama, T. Matoba, T. Arisawa, “LD-pumped 0.62 J, 105 W Nd:YAG green laser,” in Solid State Lasers VII, R. Scheps, ed., Proc. SPIE3265, 212–218 (1998).
    [CrossRef]
  10. C. Tang, Q. Gao, Z. Chai, D. Wu, L. Tong, S. Gao, K. Zhang, “1J 500Hz MOPA solid-state laser pumped by diodes,” in Solid State Lasers and Amplifiers, A. Sennaroglu, J. G. Fujimoto, C. R. Pollock, eds., Proc. SPIE5460, 353–357 (2004).
    [CrossRef]

2003 (1)

2001 (1)

2000 (1)

1997 (1)

1996 (1)

Arisawa, T.

K. Tei, M. Kato, Y. Niwa, S. Harayama, Y. Maruyama, T. Matoba, T. Arisawa, “LD-pumped 0.62 J, 105 W Nd:YAG green laser,” in Solid State Lasers VII, R. Scheps, ed., Proc. SPIE3265, 212–218 (1998).
[CrossRef]

Chai, Z.

C. Tang, Q. Gao, Z. Chai, D. Wu, L. Tong, S. Gao, K. Zhang, “1J 500Hz MOPA solid-state laser pumped by diodes,” in Solid State Lasers and Amplifiers, A. Sennaroglu, J. G. Fujimoto, C. R. Pollock, eds., Proc. SPIE5460, 353–357 (2004).
[CrossRef]

Freitag, I.

Fujikawa, S.

S. Fujikawa, K. Furuta, K. Yasui, “28% electrical-efficiency operation of a diode-side-pumped Nd:YAG rod laser,” Opt. Lett. 26, 602–604 (2001).
[CrossRef]

K. Furuta, S. Fujikawa, K. Yasui, “Efficient high-beam-quality operation by use of a diode-stacks-side-pumped quasi-cw Nd:YAG laser,” in Advanced Solid State Lasers, Vol. 31 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2001), paper MA5.

Furuta, K.

S. Fujikawa, K. Furuta, K. Yasui, “28% electrical-efficiency operation of a diode-side-pumped Nd:YAG rod laser,” Opt. Lett. 26, 602–604 (2001).
[CrossRef]

K. Furuta, S. Fujikawa, K. Yasui, “Efficient high-beam-quality operation by use of a diode-stacks-side-pumped quasi-cw Nd:YAG laser,” in Advanced Solid State Lasers, Vol. 31 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2001), paper MA5.

Gao, Q.

C. Tang, Q. Gao, Z. Chai, D. Wu, L. Tong, S. Gao, K. Zhang, “1J 500Hz MOPA solid-state laser pumped by diodes,” in Solid State Lasers and Amplifiers, A. Sennaroglu, J. G. Fujimoto, C. R. Pollock, eds., Proc. SPIE5460, 353–357 (2004).
[CrossRef]

Gao, S.

C. Tang, Q. Gao, Z. Chai, D. Wu, L. Tong, S. Gao, K. Zhang, “1J 500Hz MOPA solid-state laser pumped by diodes,” in Solid State Lasers and Amplifiers, A. Sennaroglu, J. G. Fujimoto, C. R. Pollock, eds., Proc. SPIE5460, 353–357 (2004).
[CrossRef]

Harayama, S.

K. Tei, M. Kato, Y. Niwa, S. Harayama, Y. Maruyama, T. Matoba, T. Arisawa, “LD-pumped 0.62 J, 105 W Nd:YAG green laser,” in Solid State Lasers VII, R. Scheps, ed., Proc. SPIE3265, 212–218 (1998).
[CrossRef]

Hirano, Y.

S. Yamamoto, Y. Koyata, N. Pavel, Y. Hirano, “Long-time operation of a 100 W green average power two rod double-pass Nd:YAG MOPA system,” in Advanced High-Power Lasers, M. Osinski, H. T. Powell, K. Toyoda, eds., Proc. SPIE3889, 279–287 (2000).
[CrossRef]

Y. Koyata, S. Yamamoto, Y. Hirano, “Burst-mode Q-switching operation of a Nd:YAG rod laser,” in Advanced High-Power Lasers, M. Osinski, H. T. Powell, K. Toyoda, eds., Proc. SPIE3889, 224–230 (2000).
[CrossRef]

Kageyama, N.

Kan, H.

Kato, M.

K. Tei, M. Kato, Y. Niwa, S. Harayama, Y. Maruyama, T. Matoba, T. Arisawa, “LD-pumped 0.62 J, 105 W Nd:YAG green laser,” in Solid State Lasers VII, R. Scheps, ed., Proc. SPIE3265, 212–218 (1998).
[CrossRef]

Kim, N. S.

Kiriyama, H.

Koyata, Y.

S. Yamamoto, Y. Koyata, N. Pavel, Y. Hirano, “Long-time operation of a 100 W green average power two rod double-pass Nd:YAG MOPA system,” in Advanced High-Power Lasers, M. Osinski, H. T. Powell, K. Toyoda, eds., Proc. SPIE3889, 279–287 (2000).
[CrossRef]

Y. Koyata, S. Yamamoto, Y. Hirano, “Burst-mode Q-switching operation of a Nd:YAG rod laser,” in Advanced High-Power Lasers, M. Osinski, H. T. Powell, K. Toyoda, eds., Proc. SPIE3889, 224–230 (2000).
[CrossRef]

Li, C.

Maruyama, Y.

K. Tei, M. Kato, Y. Niwa, S. Harayama, Y. Maruyama, T. Matoba, T. Arisawa, “LD-pumped 0.62 J, 105 W Nd:YAG green laser,” in Solid State Lasers VII, R. Scheps, ed., Proc. SPIE3265, 212–218 (1998).
[CrossRef]

Matoba, T.

K. Tei, M. Kato, Y. Niwa, S. Harayama, Y. Maruyama, T. Matoba, T. Arisawa, “LD-pumped 0.62 J, 105 W Nd:YAG green laser,” in Solid State Lasers VII, R. Scheps, ed., Proc. SPIE3265, 212–218 (1998).
[CrossRef]

Miyajima, H.

Nagai, T.

Nakatsuka, M.

Niwa, Y.

K. Tei, M. Kato, Y. Niwa, S. Harayama, Y. Maruyama, T. Matoba, T. Arisawa, “LD-pumped 0.62 J, 105 W Nd:YAG green laser,” in Solid State Lasers VII, R. Scheps, ed., Proc. SPIE3265, 212–218 (1998).
[CrossRef]

Pavel, N.

S. Yamamoto, Y. Koyata, N. Pavel, Y. Hirano, “Long-time operation of a 100 W green average power two rod double-pass Nd:YAG MOPA system,” in Advanced High-Power Lasers, M. Osinski, H. T. Powell, K. Toyoda, eds., Proc. SPIE3889, 279–287 (2000).
[CrossRef]

Song, J.

Tang, C.

C. Tang, Q. Gao, Z. Chai, D. Wu, L. Tong, S. Gao, K. Zhang, “1J 500Hz MOPA solid-state laser pumped by diodes,” in Solid State Lasers and Amplifiers, A. Sennaroglu, J. G. Fujimoto, C. R. Pollock, eds., Proc. SPIE5460, 353–357 (2004).
[CrossRef]

Tei, K.

K. Tei, M. Kato, Y. Niwa, S. Harayama, Y. Maruyama, T. Matoba, T. Arisawa, “LD-pumped 0.62 J, 105 W Nd:YAG green laser,” in Solid State Lasers VII, R. Scheps, ed., Proc. SPIE3265, 212–218 (1998).
[CrossRef]

Tong, L.

C. Tang, Q. Gao, Z. Chai, D. Wu, L. Tong, S. Gao, K. Zhang, “1J 500Hz MOPA solid-state laser pumped by diodes,” in Solid State Lasers and Amplifiers, A. Sennaroglu, J. G. Fujimoto, C. R. Pollock, eds., Proc. SPIE5460, 353–357 (2004).
[CrossRef]

Tunnermann, A.

Ueda, K.

Welling, H.

Wu, D.

C. Tang, Q. Gao, Z. Chai, D. Wu, L. Tong, S. Gao, K. Zhang, “1J 500Hz MOPA solid-state laser pumped by diodes,” in Solid State Lasers and Amplifiers, A. Sennaroglu, J. G. Fujimoto, C. R. Pollock, eds., Proc. SPIE5460, 353–357 (2004).
[CrossRef]

Yamakawa, K.

Yamamoto, S.

Y. Koyata, S. Yamamoto, Y. Hirano, “Burst-mode Q-switching operation of a Nd:YAG rod laser,” in Advanced High-Power Lasers, M. Osinski, H. T. Powell, K. Toyoda, eds., Proc. SPIE3889, 224–230 (2000).
[CrossRef]

S. Yamamoto, Y. Koyata, N. Pavel, Y. Hirano, “Long-time operation of a 100 W green average power two rod double-pass Nd:YAG MOPA system,” in Advanced High-Power Lasers, M. Osinski, H. T. Powell, K. Toyoda, eds., Proc. SPIE3889, 279–287 (2000).
[CrossRef]

Yasui, K.

S. Fujikawa, K. Furuta, K. Yasui, “28% electrical-efficiency operation of a diode-side-pumped Nd:YAG rod laser,” Opt. Lett. 26, 602–604 (2001).
[CrossRef]

K. Yasui, “Efficient and stable operation of a high-brightness cw 500-WNd:YAG rod laser,” Appl. Opt. 35, 2566–2569 (1996).
[CrossRef] [PubMed]

K. Furuta, S. Fujikawa, K. Yasui, “Efficient high-beam-quality operation by use of a diode-stacks-side-pumped quasi-cw Nd:YAG laser,” in Advanced Solid State Lasers, Vol. 31 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2001), paper MA5.

Yoshida, H.

Zhang, K.

C. Tang, Q. Gao, Z. Chai, D. Wu, L. Tong, S. Gao, K. Zhang, “1J 500Hz MOPA solid-state laser pumped by diodes,” in Solid State Lasers and Amplifiers, A. Sennaroglu, J. G. Fujimoto, C. R. Pollock, eds., Proc. SPIE5460, 353–357 (2004).
[CrossRef]

Appl. Opt. (2)

Opt. Lett. (3)

Other (5)

Y. Koyata, S. Yamamoto, Y. Hirano, “Burst-mode Q-switching operation of a Nd:YAG rod laser,” in Advanced High-Power Lasers, M. Osinski, H. T. Powell, K. Toyoda, eds., Proc. SPIE3889, 224–230 (2000).
[CrossRef]

S. Yamamoto, Y. Koyata, N. Pavel, Y. Hirano, “Long-time operation of a 100 W green average power two rod double-pass Nd:YAG MOPA system,” in Advanced High-Power Lasers, M. Osinski, H. T. Powell, K. Toyoda, eds., Proc. SPIE3889, 279–287 (2000).
[CrossRef]

K. Tei, M. Kato, Y. Niwa, S. Harayama, Y. Maruyama, T. Matoba, T. Arisawa, “LD-pumped 0.62 J, 105 W Nd:YAG green laser,” in Solid State Lasers VII, R. Scheps, ed., Proc. SPIE3265, 212–218 (1998).
[CrossRef]

C. Tang, Q. Gao, Z. Chai, D. Wu, L. Tong, S. Gao, K. Zhang, “1J 500Hz MOPA solid-state laser pumped by diodes,” in Solid State Lasers and Amplifiers, A. Sennaroglu, J. G. Fujimoto, C. R. Pollock, eds., Proc. SPIE5460, 353–357 (2004).
[CrossRef]

K. Furuta, S. Fujikawa, K. Yasui, “Efficient high-beam-quality operation by use of a diode-stacks-side-pumped quasi-cw Nd:YAG laser,” in Advanced Solid State Lasers, Vol. 31 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2001), paper MA5.

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Figures (7)

Fig. 1
Fig. 1

Schematics of the pump module with six diode stacks.

Fig. 2
Fig. 2

Configuration for high-peak and high-quality beam generation.

Fig. 3
Fig. 3

Burst-mode operation with an AO Q switch.

Fig. 4
Fig. 4

Average oscillator output power as a function of LD power.

Fig. 5
Fig. 5

Pulse waveforms of the oscillator output.

Fig. 6
Fig. 6

Average output power after the amplifier.

Fig. 7
Fig. 7

Pulse waveforms before and after the amplifier.

Tables (1)

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Table 1 Comparative Table of Similar Q-Switched Nd:YAG Lasers

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