Design and Study of a High Resolution Vacuum Ultraviolet Imaging Spectrometer Carried by Satellite

被引：1

作者：

Lei, Yu ^{[1
,2
]}

Lin Guan-yu ^{[1
]}

Qu Yi ^{[1
]}

Wang Shu-rong ^{[1
]}

Wang Long-qi ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Opt Fine Mech & Phys, Changchun 130033, Peoples R China

[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

来源：

SPECTROSCOPY AND SPECTRAL ANALYSIS | 2011年 / 31卷 / 12期

关键词：

Vacuum ultraviolet; Imaging spectrometer; Spectral resolution; Aberration correction; ASTIGMATISM; MIRRORS; IMAGER;

D O I：

10.3964/j.issn.1000-0593(2011)12-3417-06

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

A high resolution vacuum ultraviolet imaging spectrometer prototype carried by satellite applied to the atmosphere detection of particles distribution in 115 similar to 300 nm was developed for remote sensing. First, based on the analysis of advanced loads, the optical system including an off-axis parabolic mirror as the telescope and Czerny-Turner structure as the imaging spectrometer was chosen. Secondly, the 2-D photon counting detector with MCP was adopted for the characteristic that the radiation is weak in vacuum ultraviolet waveband. Then the geometric method and 1st order differential calculation were introduced to improve the disadvantages that aberrations in the traditional structure can not be corrected homogeneously to achieve perfect broadband imaging based on the aberration theory. At last, an advanced example was designed. The simulation and calculation of results demonstrate that the modulation transfer function (MTF) of total field of view is more than 0.6 in the broadband, and the spectral resolution is 1.23 nm. The structure is convenient and predominant. It proves that the design is feasible.

引用

页码：3417 / 3422

页数：6

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