Absorption property of laser rod circle-side-pumped by LD
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1.
State Key Laboratory of Tribology, Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing 100084, China;
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2.
School of Technical Physics, Xidian University, Xi'an 710071, China
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Corresponding author:
GONG Ma-li, gongml@tsinghua.edu.cn
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Received Date:
2005-11-17
Accepted Date:
2006-03-28
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Abstract
For the different surface treatment of the laser crystal,a mathematical model was created to describe the absorbed energy distribution in the laser crystal of the multi LD arrays circle-side-pumped solid-state lasers.Ray-tracing method was taken to calculate the distribution in the crystal.The study was mainly about the influence of the different surface treatment of the laser crystal on the distribution of the absorbed energy,and the surface treatment can restrain the amplified spontaneous emission(ASE) in the resonator but decrease the laser efficiency.The result indicates that increasing the scatter ratio of the crystal surface can restrain the ASE but reduce the laser efficiency.
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References
[1]
|
KOECHNER W.Solid-state laser engineering[M].5th ed,Berlin:Springer-Verlag,1999.312~315. |
[2]
|
ZHOU B K,GAO Y Zh,CHEN T R et al.Laser theory[M].4th ed,Beijing:National Defense Industry Press,2000.273~274 (in Chinese). |
[3]
|
LAN X J,HUANG W L,LIU Y L et al.Novel all solid Nd:YAG lasers[J].Laser Technology,1997,21 (4):251~254(in Chinese). |
[4]
|
WAICHMAN K,KRAVCHIK L,KAGAN J et al.Gain mode and laser mode matching in side-pumped Nd:YVO4 and Nd:YAG lasers[J].Optical Materials,2001,16 (1~2):163~172. |
[5]
|
MAO Sh Q,HUANG T,WEN Zh Y et al.Calculation and analyze of homogeneity of diode side pumped solid laser[J].Laser Technology,1997,21 (3):185~188(in Chinese). |
[6]
|
LIU Y,FANG G Zh,WANG X W et al.Laser diode side-pumped CW Nd:YAG lasers[J].Laser Infrared,2002,32 (4):240~242 (in Chinese). |
[7]
|
WANG J H,ZHAI G,JIN F et al.Pump uniformity study of solid-state laser rods directly side-pumped by laser diode[J].Laser Technology,2004,28 (1):36~38 (in Chinese). |
[8]
|
NING J P,CAI Zh Q,CHEN Zh Q et al.Study on uniform of pump distributivity in a LD side-pumped Nd:YAG laser[J].Chinese Journal of Lasers,2004,31 (4):390~394(in Chinese). |
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Proportional views
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