Design and Fabrication of Far-Ultraviolet Reflective Broadband Filter Based on Dielectric Materials

被引：16
|
作者：
Wang, Xiaodong [1 ]
Chen, Bo [1 ]
Yao, Ling [2 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, State Key Lab Appl Opt, Changchun, Jilin, Peoples R China
[2] Shenyang Aircraft Design & Res Inst, Shenyang, Liaoning, Peoples R China
来源：
APPLIED SPECTROSCOPY | 2018年 / 72卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Lanthanum fluoride; LaF3; magnesium fluoride; MgF2; broadband; filter; TERRESTRIAL PHYSICS MISSION; COATINGS; MIRRORS; IMAGER; BOAT;
D O I：
10.1177/0003702818762092
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
In the far-ultraviolet (UV) region, optical materials are dispersive and absorbing. The previous successful design method utilized in the visible band should be re-examined. We report on the design and fabrication of a far-UV reflective broadband filter based on dielectric materials lanthanum fluoride (LaF3) and magnesium fluoride (MgF2). Extended bandwidth technology is utilized in designing this filter. The obtained filter has a high reflectance in the working wavelength range of 140-180nm, meanwhile, with good suppression in shorter and longer wavelength regions. In 2016, this filter was employed in a wide-angle aurora imager (WAAI) installed in the Feng Yun III satellite that will be launched in China.
引用
收藏
页码：943 / 946
页数：4
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