Czerny-Turner型光栅光谱仪光学系统优化设计  

Optical system optimization design of Czerny-Turner grating spectrometer

作　　者：刘佳畅 李书成 邵荣君 王允 赵维谦 LIU Jiachang;LI Shucheng;SHAO Rongjun;WANG Yun;ZHAO Weiqian(Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology,School of Optoelectronics,Beijing Institute of Technology,Beijing 100081,China)

机构地区：[1]北京理工大学光电学院精密光电测试仪器及技术北京市重点实验室

出　　处：《光学技术》2018年第4期395-399,共5页Optical Technique

基　　金：国家自然科学基金资助项目(61475020,51422501);国家重大科学仪器设备开发专项任务(2011YQ04013601)

摘　　要：为提高光栅光谱仪分辨力,设计了基于球面反射物镜、工作波段范围500~800nm、焦长800mm的非对称式C-T型光栅光谱仪系统,给出了在消像差条件下系统中元件参数和结构尺寸的计算方法,运用光学设计软件Zemax对系统进行仿真分析与优化设计,研制了光谱仪样机。设计和实验结果表明,系统在工作光谱范围内的理论分辨力优于0.01nm、实际分辨力优于0.04nm,满足光谱测量需求;整个光学系统具有结构简单、元件数量少、成本低、分辨力高、稳定性好等优点。In order to improve the resolution of grating spectrometer,a Czerny-Turner spectrometer＇s optical systems whose working spectral range is 500~800 nm,focal length is 800 mm and objective lens＇ type is spherical surface is designed.The calculating method of various optical elements and system structure parameters under the aberration-free condition of the optical system is given.The ray tracing and optimization design of the system are done by using the optical design software Zemax,and a spectrometer is developed.The theoretical and experimental results show that the theoretical resolution of the system in 500 ~ 800 nm spectral range is within 0.01 nm,and the practical resolution is within0.04 nm,which reach the request of spectral measurement.The whole optical system has a simple structure,less number of components,low cost,high resolution,and good stability,etc.

关 键 词：应用光学 光谱仪 Czerny-Turner 光学设计 ZEMAX 高分辨力 

分 类 号：TH742[机械工程—光学工程]