利用光栅测量远场入射激光波长的方法研究

基金项目:

“十五”预研基金资助项目(41101050203)

详细信息

Measuring incident laser wavelength in far field with grating

Changchun Institute of Optics, Fine Mechanics and Physics, the Chinese Academy of Sciences, Changchun 130033, China

摘要: 依据光栅衍射原理,采用电荷耦合器件CCD作为探测器,通过测量入射激光成像点在电视靶面坐标系中的脱靶量,确定光栅的入射角和衍射角,提出了一种利用固定式平面反射光栅测量远场未知方位入射激光波长的方法。介绍了该方法的原理及光学系统结构,阐述了成像点脱靶量与光栅入射角和衍射角的关系,推导了入射激光的波长计算公式,结合光学系统的结构给出了计算波长测量误差的表达式。远场测量模拟实验验证了该方法的可行性。
- 波长测量 /
- 光栅 /
- CCD /
- 远场 /
- 激光
Abstract: Based on the principle of grating diffraction, by using television measuring system to measure the offset between the imaging of incident laser and the optical axis to confirm the angle of incidence and the angle of diffraction of the grating, a method of measuring incident laser wavelength in far field with grating is brought up.The measurement principle and the optical system of this method are introduced.The expressions of calculating laser wavel ength are educed in detail.The expressions of calculating the precision of wavel ength measurement are presented,after analyzing the structure of measurement system.The feasibility of this method is testified by the simulation experiment of far field measurement.
- wavelength measurement /
- grating /
- CCD /
- far field /
- laser

[1]	MONCHALIN J P.Accurate laser wavelength measurement with a precision two-beam scanning Michelson interferometer[J]. Appl Opt,1981,20(5):736～740.
[2]	FISCHER A.Computer controlled Fabry-Perot wavemeter[J].Opt Commun,1981,38(5):177～281.
[3]	陆宏,姜铃珍,耿完桢 et al.利用光栅实时测量大视角入射激光波长的方法[J].激光技术,1994,18(4):249～252.
[4]	陆宏,姜铃珍,耿完桢 et al.利用双光栅实时测量大视角入射激光波长的方法[J].激光技术,1995,19(6):341～343.
[5]	赵霞.利用线阵CCD实现宽波段、大视场短脉冲激光波长的远场测量[J].光电工程,1996,23(5):29～33.
[6]	郁道银, 谈恒英.工程光学[M].北京:机械工业出版社,1999.247～273.
[7]	刘艳滢,王延杰.电视脱靶量的实时输出[J].光学精密工程,1994,2(5):72～77.
[8]	王庆有.CCD应用技术[M].天津:天津大学出版社,2000.120～171.
[9]	曾延安,梁荫中.CCD在光谱分析系统中的应用研究[J].光学技术,1998(4):3～4.