应用光学, 2016, 37 (1): 24, 网络出版: 2016-03-22
EMCCD侦察探测装置光学系统设计
Optical system design for EMCCD investigation and detection device
摘要
为了满足EMCCD侦察探测装置的实际使用要求, 设计了一个三视场光学系统。系统采用EMCCD接收, 像元尺寸为16 μm×16 μm 。通过对比4种成像系统结构形式的优缺点, 选定三视场光学系统的初始结构形式, 运用CODEV软件对其进行优化, 实现600 nm~850 nm波段范围内三视场光学系统成像。设计结果表明, 三视场光学系统的传递函数MTF在35 lp/mm频率处均大于0.5, 点列斑直径均小于像元尺寸, 畸变均小于0.2%, 成像对比度满足使用要求。
Abstract
In order to meet the practical requirement of EMCCD investigation and detection device, a three-field-of-view(FOV) optical system was designed.The electron multiplying charged coupled device (EMCCD) was used for receiving, and the size of the image pixel was 16 μm×16 μm.By comparing the advantages and disadvantages of 4 different imaging structures, the initial structure of three-FOV optical system was chosen. Furthermore, the system was optimized by using CODEV software to guarantee the excellent image quality of the three-FOV optical system in the wavebands from 600 nm to 850 nm. The design results show that the MTF of three-FOV optical system is larger than 0.5 at 35 lp/mm, the size of the root-mean-square(RMS) spot is less than the size of the pixel, the distortion is less than 0.2%, and the image contrast satisfies the use requirement well.
王凌, 常伟军, 杨子建, 陈姣, 张博, 腾国奇, 胡博, 强华, 张俊. EMCCD侦察探测装置光学系统设计[J]. 应用光学, 2016, 37(1): 24. Wang Ling, Chang Weijun, Yang Zijian, Chen Jiao, Zhang Bo, Teng Guoqi, Hu Bo, Qiang Hua, Zhang Jun. Optical system design for EMCCD investigation and detection device[J]. Journal of Applied Optics, 2016, 37(1): 24.