Abstract

A passively Q-switched operation of a diode-pumped Nd:YVO4 laser is demonstrated, in which a GaAs film is used as the saturable absorber as well as the output coupler. At the pump power of 10 W, a stable fundamental-mode average power output of 2.11 W was obtained with a pulse duration of 140 ns, pulse energy of 76 ?J and pulse repetition rate of 28 kHz. A theoretical analysis that describes the passive Q-switching dynamics of GaAs is presented.

© 2005 Chinese Optics Letters

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1999

J. H. Gu, F. Zhou, W. J. Xie, S. C. Tam, and Y. L. Lam, Opt. Commun. 165, 245 (1999).

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J. H. Gu, F. Zhou, W. J. Xie, S. C. Tam, and Y. L. Lam, Opt. Commun. 165, 245 (1999).

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Optics and Laser Technology

P. Li, Q. P. Wang, X. Y. Zhang, Y. R. Wang, S. C. Li, J. L. He, and X. Q. Lu, Optics and Laser Technology 33, 383 (2000).

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