光子学报, 2017, 46 (11): 1123004, 网络出版: 2017-12-08   

像增强器在高速成像应用中的高重频特性

High Repetition Frequency Characteristics of Image Intensifier in High-speed Imaging Application
作者单位
西北核技术研究所, 西安 710024
摘要
为了解决像增强器在高重频下的成像应用问题, 建立了像增强器高重频特性成像实验平台, 并开展了ICCD相机双帧成像与曝光时间、双帧延迟时间之间关系的实验研究.实验结果表明ICCD相机第二帧成像问题是由第一帧曝光时像增强器饱和造成的, 增大CCD的AD采样增益可避免灰度值反转现象和“浮雕”效应.本文研究可为像增强器在高重频条件下的成像应用提供理论和实验依据.
Abstract
To solve these gray reversal and embossing effect problems, an imaging experiment platform for studying high repetition frequency character of image intensifier was set up. Experimental research was made on the relationship between the double-frame imaging and system parameter like exposure time and delay time. Experimental results show that the problems of the second frame were caused by the saturation of the first frame, and the generation principle of gray reversal and embossing effect was analyzed. By increasing the gain of AD sampling the gray reversal and embossing effect problems were solved. The results of this paper provide theoretical and experimental basis for the imaging application of image intensifier at high repetition frequency.

刘璐, 郭明安, 严明, 李刚, 杨少华, 宋岩, 高帅. 像增强器在高速成像应用中的高重频特性[J]. 光子学报, 2017, 46(11): 1123004. LIU Lu, GUO Ming-an, YAN Ming, LI Gang, YANG Shao-hua, SONG Yan, GAO Shuai. High Repetition Frequency Characteristics of Image Intensifier in High-speed Imaging Application[J]. ACTA PHOTONICA SINICA, 2017, 46(11): 1123004.

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