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Diode-pumped passively Q-switched intracavity-frequency-doubling Nd:GdVO4/KTP green laser with Cr4+:YAG saturable absorber

Published online by Cambridge University Press:  21 June 2005

G. Li ,
S. Zhao ,
K. Yang  and
D. Li
G. Li*
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
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
*
[email protected]
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Abstract

The intracavity photon density is assumed to be Gaussian spatial distributions and the nonlinear loss that is due to second-harmonic generation (SHG) to the photon-density equation is given under Gaussian spatial distributions in the rate equations for a diode-pumped passively Q-switched intracavity-frequency-doubling Nd:GdVO4/KTP laser with Cr4+:YAG saturable absorber. These space-dependent rate equations are solved numerically. The dependences of pulse width, pulse repetition rate, single-pulse energy and peak power on incident pump power are obtained for the generated-green-laser pulses. In the experiment, a diode-pumped passively Q-switched intracavity-frequency-doubling Nd:GdVO4/KTP laser with Cr4+:YAG saturable absorber is realized and the experimental results are consistent with the numerical solutions.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 31 , Issue 1 , July 2005 , pp. 31 - 36
Copyright
© EDP Sciences, 2005

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