Optical schemes of spectrographs with a diffractive optical element in a converging beam

被引:2
|
作者
Muslimov, E. R. [1 ]
Pavlycheva, N. K. [1 ]
机构
[1] Kazan Natl Res Tech Univ KAI, Kazan 420111, Tatarstan, Russia
关键词
Transmission concave holographic grating; converging beam; astigmatism correction; variable dispersion; IMAGING SPECTROMETER; GEOMETRIC-THEORY; GRATINGS; DESIGN;
D O I
10.2971/jeos.2015.15011
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Optical schemes of spectrographs based on transmission concave holographic gratings working in converging beams are considered. General description of the design techniques are provided. Each of them is supported by a certain example with calculation and modeling results. In particular, it's shown that combination of such element with a spherical wedge allows to create a spectrograph with correction of astigmatism and a variable-dispersion spectrograph.
引用
收藏
页数:7
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