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20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
Thermal unbalance by an amplified spontaneous emission absorber in an Nd:YAG thin-disk laser
Xiao-Jun Wang1, Zhen Cai, Jian-Feng Jiang
1Institute of Applied Physics and Computational Mathematics, P.O. Box 8009-11, Beijing 100088, China. wang_xiaojun@iapcm.ac.cn
Optics Letters
|October 23, 2010
Abstract:
We investigate heat generation in a Nd:YAG thin-disk laser composite with an undoped anti-amplified spontaneous emission (ASE) cap and a side ASE absorber under lasing and nonlasing conditions. The heat load unbalance in three different regions induces a large transverse temperature inhomogeneity under the nonlasing condition. The additional heat fraction generated by the concentration quenching is observed.
