High-Power Passively Q-Switched 532 nm Green Laser
by Using Nd:YAG/Cr⁴⁺:YAG Composite Crystal¹

S. Q. Zhu^{a, b}, S. E. Wang^a, Z. Q. Chen^{a, b,} *, Q. G. Yang^a, and J. Pan^a

^a Institute of Optoelectronic Engineering, Jinan University, Guangdong, Guangzhou 510632, China

^b Key Laboratory of Optoelectronic Information and Sensing Technologies, Guangdong Higher Education Institutes,
Guangdong, Guangzhou 510632, China

*e-mail: tzqchen@jnu.edu.cn

Received December 25, 2011; published online May 11, 2012

Abstract—This paper reported a passively Q-switched 532 nm green laser of LD pumped V cavity structure
by using Nd:YAG/Cr⁴⁺:YAG composite crystal and the type II phase matching KTP crystal. Under 19.4 W
pump power, the average power of the laser pulse up to 1.83 W, with the pulse width of 93.2 ns and repetition
frequency of 9.1 kHz.

DOI: 10.1134/S1054660X12060205

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