应用光学, 2007, 28 (2): 0159, 网络出版: 2010-06-03   

一种新型真空型紫外成像探测器

New vacuum ultraviolet imaging detector
作者单位
中国科学院 西安光学精密机械研究所,西安 710068
摘要
针对紫外告警的关键元器件——紫外探测器,简述了紫外告警的特点及发展,紫外辐射的大气传输特性和紫外探测器的发展。详细介绍了一种新型响应波段为105 nm~300 nm的真空型紫外成像探测器,其光电阴极具有“日盲性”,管型采用近贴聚焦结构,从而使得弥散和像差得以减小。探测器读出系统有光耦合读出和电耦合读出2种读出方法:光耦合读出系统能实时响应;电耦合读出灵敏度高,分辨力强,探测距离远。采用自动门控BSP电源,可实现大动态范围探测,并对光电阴极和微通道板起到保护作用。
Abstract
The development of ultraviolet warning and its key device is introduced,including the characteristics and development of ultraviolet warning,ultraviolet radiation transmittance and the development of ultraviolet detector. A new vacuum ultraviolet detector is described,its photocathode is a solar-blind,a proximity focus tube with less dispersion and image distortion is adopted,its read-out system has light-coupling and electricity-coupling,the light-coupling readout system is simpler and responds in real time,the electricity-coupling read-out has high sensitivity and resolution as well as long detection distance. Auto gating BSP power supply is adopted to extend dynamic range,protect photocathode and microchannel plate.
参考文献

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张宣妮, 赵宝升. 一种新型真空型紫外成像探测器[J]. 应用光学, 2007, 28(2): 0159. ZHANG Xuan-ni, ZHAO Bao-sheng. New vacuum ultraviolet imaging detector[J]. Journal of Applied Optics, 2007, 28(2): 0159.

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