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《Laser & Infrared》 2016-10
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978 nm Yb∶CaNb_2O_6 laser pumped by 940 nm LD and the second-harmonic generation

ZHOU Wei-qi;GAO Long-yue;ZHANG Yan-hua;WANG Yuan-bo;LI Shi-ming;WANG Si-qi;BAI Chong;CUI Cheng-kun;YE Xiu-ling;CHEN Yong-xiang;ZHANG Li;LI Yong-liang;School of Opto Electronic Engineering,Changchun University of Science and Technology;Changchun UP Optotech Co.Ltd.;  
The diode-pumped Yb∶CaNb_2O_6 laser emitting at 978 nm is reported. The Yb∶CaNb_2O_6 thin-disk laser with continuous wave( cw) output power of 1. 14 W at 978 nm was realized by using 940 nm LD pumping. Based on this,intra-cavity second-harmonic generation( SHG) in cw mode has also been demonstrated with a power of 151 m W at 489 nm by using LiB_3O_5( LBO) nonlinear crystal. The beam quality factors M~2 are respectively 1. 11 and 1. 13 in horizontal direction and vertical direction.
【Fund】: 国家自然科学基金(No.61675035)资助
【CateGory Index】: TN248
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