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Imaging VLS grating spectrographs
Author(s): Eugene A. Vishnyakov; Alexei O. Kolesnikov; Alexey N. Shatokhin; Evgeny N. Ragozin
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Paper Abstract

We present the design, calculations and simulations of high-resolution concave-VLS-grating-based soft X-ray and VUV spectrographs, as well as a plane VLS grating instrument. We have designed a normal-incidence imaging VLS grating spectrograph for a 820 – 1690 Å spectral interval and a series of grazing-incidence VLS spectrographs with imaging capabilities. The experimentally recorded spectral images of laboratory laser plasmas were obtained with the aid of a VLS spectrometer based on a concave aperiodic multilayer mirror and a plane VLS grating. Two modifications of this spectrometer were implemented with two different VLS gratings. These modifications exhibit spectral resolution of 500 and 800 over the 125 – 300 Å spectral waveband. Spatial resolution corresponds to double CCD-detector pixel size.

Paper Details

Date Published: 24 May 2018
PDF: 10 pages
Proc. SPIE 10677, Unconventional Optical Imaging, 106770E (24 May 2018); doi: 10.1117/12.2305918
Show Author Affiliations
Eugene A. Vishnyakov, P.N. Lebedev Physical Institute (Russian Federation)
Alexei O. Kolesnikov, P.N. Lebedev Physical Institute (Russian Federation)
Moscow Institute of Physics and Technology (Russian Federation)
Alexey N. Shatokhin, P.N. Lebedev Physical Institute (Russian Federation)
Moscow Institute of Physics and Technology (Russian Federation)
Evgeny N. Ragozin, P.N. Lebedev Physical Institute (Russian Federation)


Published in SPIE Proceedings Vol. 10677:
Unconventional Optical Imaging
Corinne Fournier; Marc P. Georges; Gabriel Popescu, Editor(s)

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