三向側(cè)面泵浦固體激光器中熱透鏡的研究* Q\Vgl(;lX  
陳德東 楊?lèi)?ài)粉 文建國(guó) 王石語(yǔ) 蔡德芳 過(guò)振 A*BeR0(  
（西安電子科技大學(xué) 技術(shù)物理學(xué)院，陜西 西安 710071） 61U09s%\0  
摘要：本文理論分析側(cè)面泵浦固體激光器熱透鏡效應(yīng)，詳細(xì)討論介質(zhì)中泵浦光分布和溫度梯度分布，提供了熱透鏡的數(shù)值解法。實(shí)驗(yàn)研究三向側(cè)面泵浦固體激光器的熱透鏡，所測(cè)實(shí)驗(yàn)結(jié)果與數(shù)值計(jì)算結(jié)果相吻合。該數(shù)值方法為DPL的諧振腔設(shè)計(jì)提供有效途徑。 \'O"~W  
關(guān)鍵詞：激光二極管泵浦固體激光器 熱透鏡 端面泵浦 側(cè)面泵浦 utV_W&  
Thermal lensing In three Side-pumped solid-state Laser O:K2Y5R?B  
CHEN De-dong YAN Ai-fen WEN Jian-guo WANG Shi-Yu CAI De-Fang GUO Zhen 0o&5]lEe  
(School of Technical Physics, Xidian University, Xi`an, 710071, China) nqUV  
Abstract: In this paper a theoretical analysis of thermal lensing in side-pumped solid-state laser is made and the distributions of pumping source and temperature gradient are discussed. A numerical solution of thermal lensing is given. Thermal lensing is measured in experiment, which is consistent with the results from the numerical solution. It is a practical way to design the DPL cavity with the numerical solution. PCtzl)  
Key words: Laser-diode pumped solid-state laser, thermal lensing , side-pump, End-pump RZTiw^  
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