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

E. R. Muslimov; N. K. Pavlycheva

doi:10.2971/jeos.2015.15011

Journal of the European Optical Society - Rapid publications, Vol 10 (2015)

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

E. R. Muslimov, N. K. Pavlycheva

Abstract

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.

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