Optimization of an AO Q-switched solid-state Raman laser

An extension of the rate equation models for solid-state Raman laser is proposed and investigated with accounting for the dynamics of an acousto-optically (AO) Q-switch modulator and the effects of thermal lens provided by the pump beam. The improved model is aimed at outlining optimization strategi...

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Bibliographic Details
Published in:Optics communications 2012-04, Vol.285 (8), p.2128-2133
Main Authors: Zhu, Feihu, Gong, Ke, Huo, Yujing
Format: Article
Language:English
Subjects:
AO Q-switch
Beams (radiation)
Dynamic tests
Joining
Mathematical models
Modulators
Optimization
Raman lasers
Rate equations
Solid state laser
Stimulated Raman scattering
Strategy
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Summary:An extension of the rate equation models for solid-state Raman laser is proposed and investigated with accounting for the dynamics of an acousto-optically (AO) Q-switch modulator and the effects of thermal lens provided by the pump beam. The improved model is aimed at outlining optimization strategies for wonderful laser performance with short pulse width and high peak power. A comparison between traditional intra-cavity and new couple-cavity configurations is made. The simulation results indicate that it is possible to realize an efficient sub-nanosecond coupled-cavity Raman laser by optimizing several important parameters.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2011.12.089