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《Acta Optica Sinica》 2017-08
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Temperature Characteristics of 780nm Acousto-Optic Modulator

Lü Ting;Duan Yuxiong;Xiang Jingfeng;Ren Wei;Lü Desheng;Wang Bin;Li Lin;Li Tang;Qu Qiuzhi;Key Laboratory for Quantum Optics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences;University of Chinese Academy of Sciences;  
Temperature response of 780 nm acousto-optic modulator(AOM)is calculated theoretically in detail.The research shows that the temperature response coefficient of polarization angle of diffraction light of AOM is much larger than that of diffraction efficiency and diffraction angle.Aiming at the temperature response of polarization angle of diffraction light of AOM,it is experimentally verified in the ground laboratory environment.In space microgravity environment,temperature response of AOM may become one of the main reasons that restricts the improvement of the operating temperature range and performance index of optical platform in space program.Based on the pulse working mode of AOM in practical space application,the variation curve between the temperatures of the acousto-optic crystal in AOM and environmental temperature is given by simulation modeling.And the optimization measures are given.
【Fund】: 中国科技部仪器项目(2013YQ09094304)
【CateGory Index】: TN65;TN761
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