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Numerical simulation of a CW-pumped Cr:YAG passively Q-switched Yb:YAG pulsed laser

journal contribution
posted on 2023-06-08, 00:44 authored by M Lu, Chris ChatwinChris Chatwin, Rupert YoungRupert Young, Phil BirchPhil Birch
A general model of a CW-pumped passively Q-switched laser is presented which considers the pump power and excitation state of the absorber. The recovery time of the absorber is affected by the Q-switched laser pulse length and repetition rate, which results in changes of the Output power, peak power and pulse duration of a CW-pumped passively Q-switched solid-state laser. At low pump power, the final inversion population density alters slowly by a small amount and the effect of the absorber's finite recovery time on laser output energy can be ignored. At high pump power, the final inversion population density increases quickly with pump power increase and the output energy decreases greatly. Simulation results of a CW-pumped, Cr:YAG Q-switched, Yb:YAG laser are reported. The numerical simulation results agree with the theoretical analytical analysis. (c) 2009 Elsevier Ltd. All rights reserved.

History

Publication status

  • Published

Journal

Optics and Lasers in Engineering

ISSN

0143-8166

Publisher

Elsevier

Issue

6

Volume

47

Page range

617-621

Pages

5.0

Department affiliated with

  • Engineering and Design Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-02-06

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