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Optical Engineering

Doubly passively Q-switched intracavity-frequency-doubling Nd3+:YAG/KTP green laser with GaAs and Cr4+:YAG saturable absorbers
Author(s): Jing An; Shengzhi Zhao; Guiqiu Li; Kejian Yang; Yuming Sun; De-chun Li; Jing Wang; Ming Li
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Paper Abstract

By using both GaAs and Cr4+:YAG saturable absorbers simultaneously in the same cavity, a xenon-flash-lamp-pumped doubly passively Q-switched intracavity-frequency-doubling Nd3+:YAG/KTP green laser is realized. This laser can generate a more symmetric shape and shorter pulse width compared to the solely passively Q-switched intracavity-frequency-doubling green laser withCr 4+:YAG or GaAs saturable absorber. A symmetric factor is defined to describe the temporal symmetry of the pulses quantitatively. The coupled rate equations under the plane-wave approximation are used to simulate the Q-switched process of the laser, and the numerical solutions agree well with the experimental results.

Paper Details

Date Published: 1 December 2006
PDF: 6 pages
Opt. Eng. 45(12) 124202 doi: 10.1117/1.2404903
Published in: Optical Engineering Volume 45, Issue 12
Show Author Affiliations
Jing An, Shandong Univ. (China)
Shengzhi Zhao, Shandong Univ. (China)
Guiqiu Li, Shandong Univ. (China)
Kejian Yang, Shandong Univ. (China)
Yuming Sun, Shandong Univ. (China)
De-chun Li, Shandong Univ. (China)
Jing Wang, Shandong Univ. (China)
Ming Li, Shandong Univ. (China)


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