Chinese Optics Letters, 2012, 10 (s1): S11407, Published Online: Apr. 25, 2012  

Passively Q-switched Yb:YAG ceramic laser with Cr4+:YAG as saturable absorber Download: 795次

Author Affiliations
Abstract
Highly efficient passively Q-switched Yb:YAG ceramic laser with Cr4+:YAG crystal as saturable absorber is achieved. Maximum average output power of 0.96 W is obtained when the absorbed pump power of 3.8 W is used; corresponding optical-to-optical efficiency is about 25%. The slope efficiency is 30%. Laser pulses at 1 030 nm with pulse energy of 107 μJ and pulse width of 9 ns are achieved at repetition rate of 9 kHz, with corresponding peak power of 11.9 kW. Meanwhile the effects of absorbed pump power on the characteristics of passively Q-switched laser pulses are investigated systematically.

Jian Ma, Ying Cheng, Jun Dong, Yingying Ren. Passively Q-switched Yb:YAG ceramic laser with Cr4+:YAG as saturable absorber[J]. Chinese Optics Letters, 2012, 10(s1): S11407.

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