Abstract

A Nd:YAG master oscillator power amplifier (MOPA) system, pumped by a pulse flash-lamps as the pump source of optical parametric oscillator (OPO), is employed to improve the pump beam quality of OPO pump source. A back amplifying configuration with stimulated Brillouin scattering (SBS) phase conjugation mirror is used. OPO pump laser energy of 611 mJ/pulse with 30-ns pulse duration is obtained, and near diffraction limited beam quality is achieved. Based on the type II degenerate non-critically phase-matched KTP crystal, the OPO is used to convert pump beam from 1.064 ?m to 1.57 ?m, eye-safe near infrared laser range source. 1.57-?m output energy of 209 mJ/pulse with 18-ns pulse duration is attained with a short cavity KTP OPO, when pump laser energy is approximately 611 mJ. OPO conversion efficiency is up to 38.7% when pump laser energy is approximately 200 mJ.

© 2005 Chinese Optics Letters

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Y. F. Chen, S. W. Chen, S. W. Tsai, and Y. P. Lan, Appl. Phys. B 77, 505 (2003).

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E. V. Raevsky, V. L. Pavlovitch, and V. A Konovalov, Proc. SPIE, 4630, 75 (2002).

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R. Dabu, C. Fenic, and A. Stratan, Appl. Opt. 40, 4334 (2001).

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Y. F. Chen, S. W. Chen, S. W. Tsai, and Y. P. Lan, Appl. Phys. B 77, 505 (2003).

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W. Zendzian, J. K. Jabczynski, P. Wachulak, and J. Kwiatkowski, Appl. Phys. B 78, 12 (2004).

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Y. Wang, X. Yu, B. Yao, W. He, Y. Ju, Q. Liu, and Q. Wang, Chin. J. Lasers (in Chinese) 28, 689 (2001).

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E. V. Raevsky, V. L. Pavlovitch, and V. A Konovalov, Proc. SPIE, 4630, 75 (2002).

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M. Oka, H. Masuda, Y. Kaneda, and S. Kubota, IEEE J. Quantum Electron. 28, 1142 (1992).

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W. Zendzian, J. K. Jabczynski, P. Wachulak, and J. Kwiatkowski, Appl. Phys. B 78, 12 (2004).

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Y. F. Chen, S. W. Chen, S. W. Tsai, and Y. P. Lan, Appl. Phys. B 77, 505 (2003).

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Y. Wang, X. Yu, B. Yao, W. He, Y. Ju, Q. Liu, and Q. Wang, Chin. J. Lasers (in Chinese) 28, 689 (2001).

Y. Wang, Q. Liu, B. Yao, Y. Ju, and Q. Wang, Acta Opt. Sin. (in Chinese) 18, 1176 (1998).

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M. Oka, H. Masuda, Y. Kaneda, and S. Kubota, IEEE J. Quantum Electron. 28, 1142 (1992).

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M. Oka, H. Masuda, Y. Kaneda, and S. Kubota, IEEE J. Quantum Electron. 28, 1142 (1992).

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E. V. Raevsky, V. L. Pavlovitch, and V. A Konovalov, Proc. SPIE, 4630, 75 (2002).

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B. Pei, Z. Bao, Y. Zhou, S. Zhou, and K. Shen, Chin. J. Lasers (in Chinese) 29, 395 (2002).

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E. V. Raevsky, V. L. Pavlovitch, and V. A Konovalov, Proc. SPIE, 4630, 75 (2002).

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B. Pei, Z. Bao, Y. Zhou, S. Zhou, and K. Shen, Chin. J. Lasers (in Chinese) 29, 395 (2002).

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E. V. Raevsky, V. L. Pavlovitch, and V. A Konovalov, Proc. SPIE, 4630, 75 (2002).

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Tsai, S. W.

Y. F. Chen, S. W. Chen, S. W. Tsai, and Y. P. Lan, Appl. Phys. B 77, 505 (2003).

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Wachulak, P.

W. Zendzian, J. K. Jabczynski, P. Wachulak, and J. Kwiatkowski, Appl. Phys. B 78, 12 (2004).

Wang, Q.

Y. Wang, X. Yu, B. Yao, W. He, Y. Ju, Q. Liu, and Q. Wang, Chin. J. Lasers (in Chinese) 28, 689 (2001).

Y. Wang, Q. Liu, B. Yao, Y. Ju, and Q. Wang, Acta Opt. Sin. (in Chinese) 18, 1176 (1998).

Wang, Y.

Y. Wang, X. Yu, B. Yao, W. He, Y. Ju, Q. Liu, and Q. Wang, Chin. J. Lasers (in Chinese) 28, 689 (2001).

Y. Wang, Q. Liu, B. Yao, Y. Ju, and Q. Wang, Acta Opt. Sin. (in Chinese) 18, 1176 (1998).

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Y. Wang, X. Yu, B. Yao, W. He, Y. Ju, Q. Liu, and Q. Wang, Chin. J. Lasers (in Chinese) 28, 689 (2001).

Y. Wang, Q. Liu, B. Yao, Y. Ju, and Q. Wang, Acta Opt. Sin. (in Chinese) 18, 1176 (1998).

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Yu, X.

Y. Wang, X. Yu, B. Yao, W. He, Y. Ju, Q. Liu, and Q. Wang, Chin. J. Lasers (in Chinese) 28, 689 (2001).

Zendzian, W.

W. Zendzian, J. K. Jabczynski, P. Wachulak, and J. Kwiatkowski, Appl. Phys. B 78, 12 (2004).

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Z. Bao, S. Zhou, and H. Zhao, Chin. J. Lasers (in Chinese) 30, 395 (2003).

Zhou, S.

Z. Bao, S. Zhou, and H. Zhao, Chin. J. Lasers (in Chinese) 30, 395 (2003).

B. Pei, Z. Bao, Y. Zhou, S. Zhou, and K. Shen, Chin. J. Lasers (in Chinese) 29, 395 (2002).

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B. Pei, Z. Bao, Y. Zhou, S. Zhou, and K. Shen, Chin. J. Lasers (in Chinese) 29, 395 (2002).

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E. V. Raevsky, V. L. Pavlovitch, and V. A Konovalov, Proc. SPIE, 4630, 75 (2002).

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Y. Wang, Q. Liu, B. Yao, Y. Ju, and Q. Wang, Acta Opt. Sin. (in Chinese) 18, 1176 (1998).

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Appl. Phys. B

W. Zendzian, J. K. Jabczynski, P. Wachulak, and J. Kwiatkowski, Appl. Phys. B 78, 12 (2004).

Y. F. Chen, S. W. Chen, S. W. Tsai, and Y. P. Lan, Appl. Phys. B 77, 505 (2003).

Chin. J. Lasers (in Chinese)

Z. Bao, S. Zhou, and H. Zhao, Chin. J. Lasers (in Chinese) 30, 395 (2003).

Y. Wang, X. Yu, B. Yao, W. He, Y. Ju, Q. Liu, and Q. Wang, Chin. J. Lasers (in Chinese) 28, 689 (2001).

B. Pei, Z. Bao, Y. Zhou, S. Zhou, and K. Shen, Chin. J. Lasers (in Chinese) 29, 395 (2002).

IEEE J. Quantum Electron.

M. Oka, H. Masuda, Y. Kaneda, and S. Kubota, IEEE J. Quantum Electron. 28, 1142 (1992).

IEEE Photon. Technol. Lett.

T. Y. Fan and J. Ochoa, IEEE Photon. Technol. Lett. 7, 1137 (1995).

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