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Control of pulse width in a diode-pumped doubly Q-switched composite crystal laser with AO and GaAs saturable absorber

Published online by Cambridge University Press:  01 November 2008

J. An ,
S. Zhao ,
G. Q. Li ,
K. Yang ,
D. Li ,
J. Wang  and
M. Li
J. An*
Affiliation:
School of Information Science and Engineering, Shandong University, Jinan 250100, P.R. China
S. Zhao
Affiliation:
School of Information Science and Engineering, Shandong University, Jinan 250100, P.R. China
G. Q. Li
Affiliation:
School of Information Science and Engineering, Shandong University, Jinan 250100, P.R. China
K. Yang
Affiliation:
School of Information Science and Engineering, Shandong University, Jinan 250100, P.R. China
D. Li
Affiliation:
School of Information Science and Engineering, Shandong University, Jinan 250100, P.R. China
J. Wang
Affiliation:
School of Information Science and Engineering, Shandong University, Jinan 250100, P.R. China
M. Li
Affiliation:
School of Information Science and Engineering, Shandong University, Jinan 250100, P.R. China
*
[email protected]
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Abstract

The methods to control the pulse width of a laser-diode end-pumped doubly Q-switched Nd:YVO4/YVO4 composite crystal laser with acoustic-optic (AO) and GaAs saturable absorber has been theoretically and experimentally studied. By varying the laser beam radius in the Q-switchers and the pump beam radius in the gain medium, we provide efficient means to control the pulse duration. The coupled rate equations are used to analyze the process of the laser. The experimental results are consistent with the theoretical results.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 44 , Issue 3 , December 2008 , pp. 273 - 276
Copyright
© EDP Sciences, 2008

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