Multi-watt Q-switched Nd:YVO4 laser with GaAs output coupler

Ping Li; Qingpu Wang; Shichen Li; Jie Lian; Baomin Ma; Jingliang He

Chinese Optics Letters, Volume. 1, Issue 1, 0131(2003)

Ping Li^1,2、*, Qingpu Wang¹, Shichen Li², Jie Lian¹, Baomin Ma¹, and Jingliang He³

Author Affiliations

¹Department of Optics, Shandong University, Ji'nan 250100

²College of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin 300072

³Department of Physics, Shandong Normal University, Ji'nan 250100

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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 μJ and pulse repetition rate of 28 kHz. A theoretical analysis that describes the passive Q-switching dynamics of GaAs is presented.

Keywords

140.3480 140.3540 diode-pumped Q-switched solid-state 140.3580 lasers

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Ping Li, Qingpu Wang, Shichen Li, Jie Lian, Baomin Ma, Jingliang He. Multi-watt Q-switched Nd:YVO4 laser with GaAs output coupler[J]. Chinese Optics Letters, 2003, 1(1): 0131

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Paper Information

Category:

Received: Jun. 28, 2002

Accepted: --

Published Online: Jun. 6, 2006

The Author Email: Ping Li (pingli@sdu.edu.cn)

DOI:

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology