A sub-millimetre wave SIS receiver

B. N. Ellison

doi:10.1117/12.2298487

30 August 1993 A sub-millimetre wave SIS receiver

B. N. Ellison

Proceedings Volume 2104, 18th International Conference on Infrared and Millimeter Waves; 21041J (1993) https://doi.org/10.1117/12.2298487
Event: 18th International Conference on Infrared and Millimeter Waves, 1993, Colchester, United Kingdom

Abstract

A superconducting (SIS) tunnel junction heterodyne receiver has been constructed and tested over the frequency range450 to 540 GHz. The receiver uses a reduced height waveguide mount and a Pb alloy tunnel junction as the detectingelement. Performance measurements made with the receiver installed on the James Clerk Maxwell Telescope, Hawaii,show a noise temperature (DSB) of 165 K at 460 GHz and 220 K at 490 GHz, measured in a 1 GHz instantaneous IFbandwidth centred at 4 GHz. The receiver demonstrates that Pb alloy junctions are sufficiently stable and reliable toallow use at a remote observing site at sub-millimetre wavelengths.

Citation Download Citation

B. N. Ellison "A sub-millimetre wave SIS receiver", Proc. SPIE 2104, 18th International Conference on Infrared and Millimeter Waves, 21041J (30 August 1993); https://doi.org/10.1117/12.2298487

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