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The influence of OH groups on laser performance in phosphate glasses

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【Author】 Shunguang Li Guosong Huang , Lei Wen, and Gangfeng Yang Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 Institute of Optical Communication Materials, South China University of Technology, Guangzhou 510641

【机构】 Shanghai Institute of Optics and Fine MechanicsChinese Academy of Sciences； Shanghai 201800； Institute of Optical Communication MaterialsSouth China University of Technology； Guangzhou 510641；

【摘要】 <正>Because of the influence of OH groups in phosphate glasses on the radiation of rare-earth ions, the laser performance is degraded. The laser efficiency and the small signal gain experiment of several phosphate glass samples have been done, the concentration of OH groups in glasses was calculated from the measured absorption coefficient at 3.47 μm. It is shown that the concentration of OH groups in phosphate glasses can seriously influence the laser output characteristics, and the OH groups have worse influence on the laser amplifier than laser oscillator.更多还原

【Abstract】 Because of the influence of OH groups in phosphate glasses on the radiation of rare-earth ions, the laser performance is degraded. The laser efficiency and the small signal gain experiment of several phosphate glass samples have been done, the concentration of OH groups in glasses was calculated from the measured absorption coefficient at 3.47 μm. It is shown that the concentration of OH groups in phosphate glasses can seriously influence the laser output characteristics, and the OH groups have worse influence on the laser amplifier than laser oscillator.更多还原

【关键词】 glasses； oscillator； seriously； amplifier； lifetime； degraded； worse； eliminating； removing； arrangement；

【文献出处】 Chinese Optics Letters ,中国光学快报(英文版) , 编辑部邮箱 ,2005年04期

【分类号】TN24
【被引频次】5
【下载频次】23

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