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Proceedings Paper

Study on the output of LD-pumped passively Q-switched subnanosecond microlasers
Author(s): He-jiao Cheng; Hui-min Chen; Bo-sheng Ding; De Cai
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Paper Abstract

Caliber mortar projectiles and bombs are now tend to use the laser fuze because of its high accuracy in distance measurement,the strong ability to resist electromagnetic interference, the high angular resolution and the good concealment. Otherwise, the microlaser can bring about some alluring benefits. For instance, it can generate high quality laser beam, which has small divergence angle and high power. So, This paper summarizes some key factors which have impacts on the output of LD-pumped passively Q-switched subnanosecond microlasers, including the initial transmission of the absorber, the reflection of output coupler, the length of the cavity and the radius of the pumping laser beam, and gives the conclusion of the simulation based on the variation of the density of the reversal particle in the resonant cavity derived from the oscillation equation of the LD-pumped passively Q-switched Cr4+:YAG/ Nd:YAG laser, which provides the basis for the design of the passive Q-switched micro lasers which have high power, high repetition frequency and narrow pulse width.

Paper Details

Date Published: 17 September 2013
PDF: 6 pages
Proc. SPIE 8904, International Symposium on Photoelectronic Detection and Imaging 2013: High Power Lasers and Applications, 890406 (17 September 2013); doi: 10.1117/12.2030815
Show Author Affiliations
He-jiao Cheng, Beijing Institute of Technology (China)
Hui-min Chen, Beijing Institute of Technology (China)
Bo-sheng Ding, Anhui Dongfeng Mechanical and Electronic Technology Co., Ltd. (China)
De Cai, Beijing Institute of Technology (China)


Published in SPIE Proceedings Vol. 8904:
International Symposium on Photoelectronic Detection and Imaging 2013: High Power Lasers and Applications
Andreas Tünnermann; Zejin Liu; Pu Wang; Chun Tang, Editor(s)

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