Design of UV long-slit spectrometer

Y. Bazhanov; E. Demura; N. Zacharova

doi:10.1117/12.926150

17 September 2012 Design of UV long-slit spectrometer

Y. Bazhanov, E. Demura, N. Zacharova

Proceedings Volume 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray; 84432Z (2012) https://doi.org/10.1117/12.926150
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

General approaches to the solution are shown on the example of one of the alternative variants of UV long-slit spectrometer. It is suggested using concave aberration-corrected holographic diffraction grating in FUV spectral range (102 – 175 nm). In NUV spectral range (175 – 310 nm), where mirror coating reflecting factor is higher, it is suggested using a beam of zero order of this grating with subsequent spectral decomposition performed with additional grating. It is known that diffractive grating efficiency depends on the form of grooves profile, in the first approximation step profile echelett grating fits quite well for this task.

Citation Download Citation

Y. Bazhanov, E. Demura, and N. Zacharova "Design of UV long-slit spectrometer", Proc. SPIE 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, 84432Z (17 September 2012); https://doi.org/10.1117/12.926150

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