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Proceedings Paper

Performance of the flight model HIFI band 3 and 4 mixer units
Author(s): G. de Lange; B. D. Jackson; M. Jochemsen; W. M. Laauwen; L. de Jong; M. Kroug; T. Zijlstra; T. M. Klapwijk
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Paper Abstract

We describe the performance of the Band 3 and Band 4 Flight Model mixer units for Herschel/HIFI Instrument. These units are part of the Focal Plane Unit of HIFI. The band 3 and 4 mixer units cover the 800-960 GHz and 960-1120 GHz frequency range and have a 4-8 GHz IF frequency band. The sensitivities of the mixers within the HIFI setting are excellent and are the best reported to date. The DSB receiver noise performance in the HIFI FPU environment ranges from 150 K at 800 GHz to 350 K at 1120 GHz. This sensitivity and the absence of atmospheric attenuation will reduce the necessary observation time for astronomical observations in this frequency range by at least two orders of magnitude compared to ground based facilities.

Paper Details

Date Published: 16 June 2006
PDF: 6 pages
Proc. SPIE 6275, Millimeter and Submillimeter Detectors and Instrumentation for Astronomy III, 627517 (16 June 2006); doi: 10.1117/12.673870
Show Author Affiliations
G. de Lange, SRON Netherlands Institute for Space Research (Netherlands)
B. D. Jackson, SRON Netherlands Institute for Space Research (Netherlands)
M. Jochemsen, SRON Netherlands Institute for Space Research (Netherlands)
W. M. Laauwen, SRON Netherlands Institute for Space Research (Netherlands)
L. de Jong, SRON Netherlands Institute for Space Research (Netherlands)
M. Kroug, Delft Univ. of Technology (Netherlands)
T. Zijlstra, Delft Univ. of Technology (Netherlands)
T. M. Klapwijk, Delft Univ. of Technology (Netherlands)


Published in SPIE Proceedings Vol. 6275:
Millimeter and Submillimeter Detectors and Instrumentation for Astronomy III
Jonas Zmuidzinas; Wayne S. Holland; Stafford Withington; William D. Duncan, Editor(s)

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