通带
紫外线
阻带
材料科学
波长
光学
滤波器(信号处理)
红外线的
光电子学
光学滤波器
辐射
带宽(计算)
带通滤波器
物理
计算机科学
电信
谐振器
计算机视觉
作者
Tianjiao Wang,Weizong Xu,Hai Lu,Fangfang Ren,Dunjun Chen,Rong Zhang,Youdou Zheng
出处
期刊:Chinese Physics B
[IOP Publishing]
日期:2014-07-01
卷期号:23 (7): 074201-074201
被引量:8
标识
DOI:10.1088/1674-1056/23/7/074201
摘要
Solar-blind ultraviolet (UV) band-pass filter has significant value in many scientific, commercial, and military applications, in which the detection of weak UV signal against a strong background of solar radiation is required. In this work, a solar-blind filter is designed based on the concept of "transparent metal". The filter consisting of Al/SiO2 multilayers could exhibit a high transmission in the solar-blind wavelength region and a wide stopband extending from near-ultraviolet to infrared wavelength range. The central wavelength, bandwidth, Q factor, and rejection ratio of the passband are numerically studied as a function of individual layer thickness and multilayer period.
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