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Published October 8, 2004 | Published
Book Section - Chapter Open

A report on the laboratory performance of the spectroscopic detector arrays for SPIRE/HSO


We report the performance of the flight bolometer arrays for the Spectral and Photometric Imaging REceiver (SPIRE) instrument to be on board of the Herschel Space Observatory (HSO). We describe the test setup for the flight Bolometric Detector Assembly (BDA) that allows the characterization of its performance, both dark and optical, in one instrument's cool down. We summarize the laboratory procedure to measure the basic bolometer parameters, optical response time, optical efficiency of bolometer and feedhorn, dark and optical noise, and the overall thermal conductance of the BDA unit. Finally, we present the test results obtained from the two flight units, Spectroscopic Long Wavelength (SLW) and Spectroscopic Short Wavelength (SSW).

Additional Information

© 2004 Society of Photo-optical Instrumentation Engineers (SPIE). Funding for this work was provided by the Planck and Herschel Project at the Jet Propulsion Laboratory.

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