The design of astigmatism-free crossed Czerny-Turner spectrometer

	The design of astigmatism-free crossed Czerny-Turner spectrometer
	An Y.; Sun Q.; Liu Y.; Li C.; Wang Z.-Q.
	2013
发表期刊	Optik
ISSN	ISBN/00304026
卷号	124 期号:16
摘要	The first-order astigmatism-free conditions in crossed Czerny-Turner (C-T) spectrometer are derived. To our best knowledge, there is no report about this kind of research. For the requirements of the optical parameters of the relative aperture of 8 and the working wavelength ranging from 780 nm to 1020 nm, according to the derived formula, the astigmatism-free crossed C-T spectrometer is built up with ZEMAX software. The correspondent coma-free crossed C-T spectrometer is also built up. The two initial structures of crossed C-T optical systems are then optimized, and the performance merits are compared. It is shown that, the astigmatism-free crossed C-T spectrometer has a superior optical performance, with the RMS of spot diagram only 12-52% that in the correspondent coma-free crossed C-T spectrometer. This indicates that the astigmatism-free crossed C-T spectrometer possesses not only a better energy concentration along the slit direction, which is beneficial to spectrometers requiring larger condenser capacity, but also a smaller spot diameter along the direction perpendicular to the slit, which implies a higher spectrum resolution achieved. 2012 Elsevier GmbH.
收录类别	SCI ; EI
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/40606
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	An Y.,Sun Q.,Liu Y.,et al. The design of astigmatism-free crossed Czerny-Turner spectrometer[J]. Optik,2013,124(16).
APA	An Y.,Sun Q.,Liu Y.,Li C.,&Wang Z.-Q..(2013).The design of astigmatism-free crossed Czerny-Turner spectrometer.Optik,124(16).
MLA	An Y.,et al."The design of astigmatism-free crossed Czerny-Turner spectrometer".Optik 124.16(2013).

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