Beam Profile Evolution and Beam Quality Changes Inside a Diode-End-Pumped Laser Oscillator

Experimental observations of beam profile evolution and beam quality changes in an asymmetrical diode-end-pumped laser oscillator are presented. The beam intensity distribution and beam size show great differences between the two intra-cavity counter-propagating beams. Measurements also show that th...

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Published in:IEEE journal of quantum electronics 2014-02, Vol.50 (2), p.62-67
Main Authors: Ye, Zhibin, Zhao, Zhigang, Pan, Sunqiang, Zhang, Xiang, Wang, Chunhua, Qi, Yunxuan, Liu, Chong, Xiang, Zhen, Ge, Jianhong
Format: Article
Language:English
Subjects:
Beam filling factor
Cavity resonators
diode-end-pumped
laser beam
Laser beams
Laser excitation
Laser modes
laser oscillator
Lenses
Measurement by laser beam
Optical resonators
thermal effects
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cited_by cdi_FETCH-LOGICAL-c263t-761c771980529ed371674edce829965317f168429b75f750ba836fa4a751ce773
cites cdi_FETCH-LOGICAL-c263t-761c771980529ed371674edce829965317f168429b75f750ba836fa4a751ce773
container_end_page 67
container_issue 2
container_start_page 62
container_title IEEE journal of quantum electronics
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creator Ye, Zhibin
Zhao, Zhigang
Pan, Sunqiang
Zhang, Xiang
Wang, Chunhua
Qi, Yunxuan
Liu, Chong
Xiang, Zhen
Ge, Jianhong
description Experimental observations of beam profile evolution and beam quality changes in an asymmetrical diode-end-pumped laser oscillator are presented. The beam intensity distribution and beam size show great differences between the two intra-cavity counter-propagating beams. Measurements also show that the beam quality changes when the beam passes through the gain medium. These phenomena are attributed to the thermally induced aberrations and soft aperture induced diffractions. The results present a novel clue of designing a high power laser oscillator with fundamental mode output.
doi_str_mv 10.1109/JQE.2013.2294362
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subjects Beam filling factor
Cavity resonators
diode-end-pumped
laser beam
Laser beams
Laser excitation
Laser modes
laser oscillator
Lenses
Measurement by laser beam
Optical resonators
thermal effects
title Beam Profile Evolution and Beam Quality Changes Inside a Diode-End-Pumped Laser Oscillator
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