A wideband spectrometer for space-borne telescopes

K. Enya; N. Fujishiro

doi:10.1117/12.2560340

20 April 2020 A wideband spectrometer for space-borne telescopes

K. Enya, N. Fujishiro

Proceedings Volume 11353, Optics, Photonics and Digital Technologies for Imaging Applications VI; 1135328 (2020) https://doi.org/10.1117/12.2560340
Event: SPIE Photonics Europe, 2020, Online Only

Abstract

We present optical design of wideband spectrometer for space-borne telescopes for science observation. Multi-channel configuration is adopted to cover wide wavelength region from visible to mid-infrared. Basic design of each channels are consisting of mirror optics and reflective spectral disperser. Low, medium, and high dispersion spectrometers are studied. Influence of defocusing is analyzed. Each channels are combined based on use of dichroic mirrors.

Conference Presentation

Citation Download Citation

K. Enya and N. Fujishiro "A wideband spectrometer for space-borne telescopes", Proc. SPIE 11353, Optics, Photonics and Digital Technologies for Imaging Applications VI, 1135328 (20 April 2020); https://doi.org/10.1117/12.2560340

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