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21 April 1986 A Low Noise Receiver for Submillimeter Astronomy
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Proceedings Volume 0598, Instrumentation for Submillimeter Spectroscopy; (1986)
Event: 1985 International Technical Symposium/Europe, 1985, Cannes, France
A broadband, low noise heterodyne receiver, suitable for astronomical use, has been built using a Pb alloy superconducting tunnel junction (SIS). The RF coupling is quasioptical via a bowtie antenna on a quartz lens and is accomplished without any tuning elements. In its preliminary version the double sideband receiver noise temperature rises from 205 K at 116 GHz to 815 K at 466 GHz. This is the most sensitive broadband receiver yet reported for sub-mm wavelengths. Its multi-octave sensitivity and low local oscillator power requirements make this receiver ideal for remote ground observatories or space-borne telescopes such as NASA's Large Deployable Reflector. A version of this receiver is now being built for NASA's Kuiper Airborne Observatory.
© (1986) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
M. J. Wengler, D. P. Woody, R. E. Miller, and T. G. Phillips "A Low Noise Receiver for Submillimeter Astronomy", Proc. SPIE 0598, Instrumentation for Submillimeter Spectroscopy, (21 April 1986);


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