A sub-millimetre wave SIS receiver for the James Clerk Maxwell Telescope

B. N. Ellison

doi:10.1117/12.2303292

30 November 2017 A sub-millimetre wave SIS receiver for the James Clerk Maxwell Telescope

B. N. Ellison

Proceedings Volume 2250, International Conference on Millimeter and Submillimeter Waves and Applications 1994; 22507N (2017) https://doi.org/10.1117/12.2303292
Event: Millimeter and Submillimeter Waves and Applications: International Conference, 1994, San Diego, CA, United States

Abstract

We describe a Pb alloy superconducting (SIS) tunnel junction heterodyne receiver that has been constructed and tested over the frequency range 450 to 540 GHz and installed on the James Clerk Maxwell Telescope, Hawaii. The receiver uses a reduced height waveguide mount and a Pb alloy tunnel junction as the detecting element. Performance measurements made with the receiver installed on the telescope show a noise temperature (DSB) of 165 K at 460 GHz and 220 K at 490 GHz, measured in a 1 GHz instantaneous IF bandwidth centred at 4 GHz. The receiver demonstrates that Pb alloy junctions are sufficiently stable and reliable to allow use at a remote observing site at sub-millimetre wavelengths.

Citation Download Citation

B. N. Ellison "A sub-millimetre wave SIS receiver for the James Clerk Maxwell Telescope", Proc. SPIE 2250, International Conference on Millimeter and Submillimeter Waves and Applications 1994, 22507N (30 November 2017); https://doi.org/10.1117/12.2303292

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