Optical performance characterisation of HERSCHEL/SPIRE

Bruce Swinyard; Marc Ferlet; Kjetil Dohlen; Glenn Laurent; Jason Glenn; Jamie Bock

doi:10.1117/12.671452

6 July 2006 Optical performance characterisation of HERSCHEL/SPIRE

Bruce Swinyard, Marc Ferlet, Kjetil Dohlen, Glenn Laurent, Jason Glenn, Jamie Bock

Proceedings Volume 6265, Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter; 62650E (2006) https://doi.org/10.1117/12.671452
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

Abstract

The Spectral and Photometric Imaging Receiver (SPIRE) is one of three scientific instruments on ESA's Herschel Space Observatory. The instrument covers 200 to 670 μm with a three band photometric camera and a two band imaging Fourier Transform Spectrometer (IFTS). In this paper we discuss the performance of the optics of the instrument as determined during the pre-flight instrument testing to date. In particular we concentrate on the response of the instrument to a point source, the comparison between the visible light alignment and the infrared alignment and the effect of the optical performance on the overall instrument sensitivity. We compare the empirical performance of the instrument optics to that expected from elementary diffraction theory.

Citation Download Citation

Bruce Swinyard, Marc Ferlet, Kjetil Dohlen, Glenn Laurent, Jason Glenn, and Jamie Bock "Optical performance characterisation of HERSCHEL/SPIRE", Proc. SPIE 6265, Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter, 62650E (6 July 2006); https://doi.org/10.1117/12.671452

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