High-Energy Tunable 6.5?12 μm Picosecond Mid-Infrared Radiation Generated from Optical Parametric Amplifier Based on LiInSe2 Crystal

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外文摘要：We report high-energy tunable 6.5‒12 μm ps mid-infrared radiation generation based on OPA pumped using 1064 nm laser in LISe crystal.We simulated the relationship between the idler energy and crystal length.An optimum LISe length of 4 mm was used to enhance the idler energy experimentally.At a pump energy of～9.4 mJ,energy levels of～146 and of～27 μJ are generated at 6.5 μm and 12 μm,respectively.The highest energy of～205 μJ is achieved at 8.1 μm at a pump energy of～19 mJ.Finally,the angular and spectral width acceptance are measured.

外文关键词：

tunable mid-infrared radiationnonlinear optical crystalLiInSe2 crystaloptical parametric amplifier

作者：

Zhang Jingjing、Wang Shilei、Yang Feng、Wang Shanpeng、Gao Hongwei、Bo Yong、Cui Dafu、Tao Xutang、Peng Qinjun

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作者单位：

Key Lab of Solid State Laser,Technical Institute of Physics and Chemistry,Chinese Academy of Sciences,Beijing 100190,China

University of Chinese Academy of Sciences,Beijing 100049,China

State Key Laboratory of Crystal Materials,Shandong University,Jinan 250100,Shandong,China

基金：

国家自然科学基金国家自然科学基金国家自然科学基金国家高层次科技人才特殊支持计划(创新领军人才计划国防科技创新基金)山东省自然科学基金

项目编号：

61875208U22A2012352372011SQ2022RA24910010ZR2022MF228

出版年：

2024

DOI：

10.3788/LOP240716

激光与光电子学进展

中国科学院上海光学精密机械研究所

激光与光电子学进展

CSTPCD北大核心

影响因子：1.153

ISSN：1006-4125

年,卷(期)：2024.61(13)