利用双光栅实时测量大视角入射激光波长的方法  

Twin-grating measurement of laser wavelength of incidence at a big angle in real-time

作　　者：陆宏[1] 姜铃珍[1] 耿完桢[1] 洪晶[1] 

机构地区：[1]哈尔滨工业大学应用物理系

出　　处：《激光技术》1995年第6期341-343,共3页Laser Technology

摘　　要：本文探讨了利用双光栅实时测量大视角入射激光波长和方位的理论依据，并进行了误差分析；尝试了利用双光栅实时测量大视角入时激光波长和方位的方法；预见到双光栅是实时测量大视角、宽频带、脉冲激光波长的有效元件。This paper offers a method of using twin-grating to measure laser wavelength of inci-dence at a big angle and the incident angle Theoretically,the measurement accuracy of the method has been analyzed.The experimental results show that the measurement accuracy of wavelength and incident angie is up to 10A and 10￣(-3),respectively

关 键 词：双光栅 实时测量 大视角入射 激光波长 

分 类 号：TN247[电子电信—物理电子学] TH741.6[机械工程—光学工程]