Demonstration of the TIRGO compact 800- to 900-GHz heterodyne receiver on UKIRT

Brian N. Ellison; Leslie T. Little; Steven R. Davies; Glenn J. White; Mark C. Price; David N. Matheson; Brian D. Jackson; Vincenzo Natale

doi:10.1117/12.553234

8 October 2004 Demonstration of the TIRGO compact 800- to 900-GHz heterodyne receiver on UKIRT

Brian N. Ellison, Leslie T. Little, Steven R. Davies, Glenn J. White, Mark C. Price, David N. Matheson, Brian D. Jackson, Vincenzo Natale

Author Affiliations +

Proceedings Volume 5498, Millimeter and Submillimeter Detectors for Astronomy II; (2004) https://doi.org/10.1117/12.553234
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

A compact sub-millimetre wavelength Nb superconducting tunnel junction receiver (TIRGO) has been installed on the UKIRT facility, Hawaii. The receiver, used in combination with an acousto-optic spectrometer, exhibited excellent noise performance, achieving a best noise equivalent temperature of 280K (DSB) at 808GHz. Despite unfavourable observing conditions, spectral observations of a variety of astronomical sources were made that effectively verified the sensitivity and usefulness of the instrument for astronomical research. The design, construction and performance of the receiver system are described and some of the astronomical data acquired during the observation period briefly presented.

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Brian N. Ellison, Leslie T. Little, Steven R. Davies, Glenn J. White, Mark C. Price, David N. Matheson, Brian D. Jackson, and Vincenzo Natale "Demonstration of the TIRGO compact 800- to 900-GHz heterodyne receiver on UKIRT", Proc. SPIE 5498, Millimeter and Submillimeter Detectors for Astronomy II, (8 October 2004); https://doi.org/10.1117/12.553234

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KEYWORDS

Receivers

Mirrors

Astronomy

Telescopes

Double sideband modulation

Liquids

Acousto-optics

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