15 June 2006 A comparison of the theoretical and measured performance of the Herschel/SPIRE imaging Fourier transform spectrometer
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Abstract
The Spectral and Photometric Imaging Receiver (SPIRE) is one of three scientific instruments on ESA's Herschel Space Observatory. An imaging Fourier transform spectrometer (IFTS) provides the medium resolution spectroscopic capabilities of SPIRE. This paper compares the measured performance of the SPIRE IFTS, as determined from flight model instrument verification tests, with theoretical expectations. This analysis includes a discussion of the instrument line shape, signal-to-noise, resolution, field of view and spectrometer sensitivity.
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Locke D. Spencer, David A. Naylor, Bruce M. Swinyard, "A comparison of the theoretical and measured performance of the Herschel/SPIRE imaging Fourier transform spectrometer", Proc. SPIE 6265, Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter, 62652Z (15 June 2006); doi: 10.1117/12.671565; https://doi.org/10.1117/12.671565
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KEYWORDS
Spectroscopy

Fourier transforms

Sensors

Molecular lasers

Spectral resolution

Imaging spectroscopy

Instrument modeling

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