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Proceedings Paper

Imaging FTS for Herschel SPIRE
Author(s): Bruce Miles Swinyard; Kjetil Dohlen; Didier Ferand; Jean-Paul Baluteau; Dominque Pouliquen; Pascal Dargent; Guy Michel; Jerome Martignac; Peter A. R. Ade; Peter C. Hargrave; Matthew J. Griffin; Donald E. Jennings; Martin E. Caldwell
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Paper 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.

Paper Details

Date Published: 5 March 2003
PDF: 12 pages
Proc. SPIE 4850, IR Space Telescopes and Instruments, (5 March 2003); doi: 10.1117/12.461529
Show Author Affiliations
Bruce Miles Swinyard, Rutherford Appleton Lab. (United Kingdom)
Kjetil Dohlen, Lab. d'Astrophysique de Marseille (France)
Didier Ferand, Lab. d'Astrophysique de Marseille (France)
Jean-Paul Baluteau, Lab. d'Astrophysique de Marseille (France)
Dominque Pouliquen, Lab. d'Astrophysique de Marseille (France)
Pascal Dargent, Lab. d'Astrophysique de Marseille (France)
Guy Michel, Observatoire de Paris-Meudon (France)
Jerome Martignac, CEA Saclay (France)
Peter A. R. Ade, Cardiff Univ. (United Kingdom)
Peter C. Hargrave, Cardiff Univ. (United Kingdom)
Matthew J. Griffin, Cardiff Univ. (United Kingdom)
Donald E. Jennings, NASA Goddard Space Flight Ctr. (United States)
Martin E. Caldwell, Rutherford Appleton Lab. (United Kingdom)


Published in SPIE Proceedings Vol. 4850:
IR Space Telescopes and Instruments
John C. Mather, Editor(s)

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