The optical design of a far infrared imaging FTS for SPICA

Carmen Pastor; Pablo Zuluaga; Willem Jellema; Luis Miguel González Fernández; Tomas Belenguer; Josefina Torres Redondo; Peter Paul Kooijman; Francisco Najarro; Martin Eggens; Peter Roelfsema; Takao Nakagawa

doi:10.1117/12.2056791

28 August 2014 The optical design of a far infrared imaging FTS for SPICA

Carmen Pastor, Pablo Zuluaga, Willem Jellema, Luis Miguel González Fernández, Tomas Belenguer, Josefina Torres Redondo, Peter Paul Kooijman, Francisco Najarro, Martin Eggens, Peter Roelfsema, Takao Nakagawa

Author Affiliations +

Proceedings Volume 9143, Space Telescopes and Instrumentation 2014: Optical, Infrared, and Millimeter Wave; 91434B (2014) https://doi.org/10.1117/12.2056791
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

This paper describes the optical design of the far infrared imaging spectrometer for the JAXA’s SPICA mission. The SAFARI instrument, is a cryogenic imaging Fourier transform spectrometer (iFTS), designed to perform backgroundlimited spectroscopic and photometric imaging in the band 34-210 μm. The all-reflective optical system is highly modular and consists of three main modules; input optics module, interferometer module (FTS) and camera bay optics. A special study has been dedicated to the spectroscopic performance of the instrument, in which the spectral response and interference of the instrument have been modeled, as the FTS mechanism scans over the total desired OPD range.

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Carmen Pastor, Pablo Zuluaga, Willem Jellema, Luis Miguel González Fernández, Tomas Belenguer, Josefina Torres Redondo, Peter Paul Kooijman, Francisco Najarro, Martin Eggens, Peter Roelfsema, and Takao Nakagawa "The optical design of a far infrared imaging FTS for SPICA", Proc. SPIE 9143, Space Telescopes and Instrumentation 2014: Optical, Infrared, and Millimeter Wave, 91434B (28 August 2014); https://doi.org/10.1117/12.2056791

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