Imaging FTS for Herschel SPIRE

Swinyard, Bruce M., Dohlen, Kjetil, Ferand, Didier, Baluteau, Jean-Paul, Pouliquen, Dominque, Dargent, Pascal, Michel, Guy, Martignac, Jerome, Ade, Peter A. R. ORCID: https://orcid.org/0000-0002-5127-0401, Hargrave, Peter Charles ORCID: https://orcid.org/0000-0002-3109-6629, Griffin, Matthew Joseph ORCID: https://orcid.org/0000-0002-0033-177X, Jennings, Donald E. and Caldwell, Martin E. 2003. Imaging FTS for Herschel SPIRE. Presented at: IR space telescopes and instruments, Waikoloa, Hawaii, 24-28 August 2002. Published in: Mather, John C. ed. IR Space Telescopes and Instruments. Proceedings of the SPIE (4850) Bellingham, WA: SPIE, pp. 698-709. 10.1117/12.461529

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Abstract

The design of the Fourier Transform Spectrometer for the Herschel sub-millimetre Spectral and Photometric Imaging Receiver (SPIRE) is described. This is an innovative design for a sub-millimetre spectrometer as it uses intensity beam splitters in a Mach-Zehnder configuration rather than the traditional polarising beam splitters. The instrument is required to have a resolution of 0.04 cm-1; have a relatively large field of view (2.6 arcmin circular) and cover a large wavelength range - 200 to 670 microns. These performance requirements lay stringent requirements on all aspects of the design. The details of the optical; mechanical and electrical implementation of the instrument are discussed in the light of the science and engineering requirements and laboratory testing on development models of the mechanism and control system are reported.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Uncontrolled Keywords:	Beam splitters ; Control systems ; Engineering ; Equipment and services ; Fourier transforms ; Receivers ; Spectrometers
Publisher:	SPIE
ISBN:	9780819446299
Last Modified:	25 Oct 2022 10:01
URI:	https://orca.cardiff.ac.uk/id/eprint/60841

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