A dual-polarization InSb receiver for 461/492 GHz

Padman, Rachael; White, Glenn J.; Barker, Robert; Bly, Dennis; Johnson, Nick; Gibson, Hugh; Griffin, Matt; Murphy, J. Anthony; Prestage, Richard; Rogers, John and Scivetti, Anthony (1992). A dual-polarization InSb receiver for 461/492 GHz. International Journal of Infrared and Millimeter Waves, 13(10) pp. 1487–1513.

URL: http://dx.doi.org/10.1007/BF01009232

Abstract

A dual-polarization InSb hot-electron bolometer-mixer receiver has been built for the James Clerk Maxwell Telescope, for operation at 461 and 492 GHz (the frequencies of theJ=4→3 rotational transition of CO and of the3 P 1→3 P 0 transition of neutral carbon). Receiver noise temperatures of 500K have been obtained at 461 GHz, in observing bandwidths of 3 MHz. The receiver was designed as a common-user or facility instrument. Here we describe those aspects of the design and construction which enabled this goal to be realized.

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