Design and fabrication of 800- to 900-GHz Pb-alloy SIS mixing device incorporating an on-substrate tuning element

Keith Tame; Marc C. Price; L. T. Little

doi:10.1117/12.317394

31 July 1998 Design and fabrication of 800- to 900-GHz Pb-alloy SIS mixing device incorporating an on-substrate tuning element

Keith Tame, Marc C. Price, L. T. Little

Author Affiliations +

Proceedings Volume 3357, Advanced Technology MMW, Radio, and Terahertz Telescopes; (1998) https://doi.org/10.1117/12.317394
Event: Astronomical Telescopes and Instrumentation, 1998, Kona, HI, United States

Abstract

The use of SIS (Superconductor-Insulator-Superconductor) devices as the mixing element, in ultra-sensitive heterodyne receivers for use in radio astronomy is well established. In attempting to exploit the last main submillimeter atmospheric window we are developing a Pb-alloy SIS mixer to work in the frequency band 800 - 900 GHz. In this paper we address some of the problems with working at frequencies above the energy gap of a superconducting alloy. We also present initial results obtained from Pb-alloy SIS junctions fabricated at the University of Kent at Canterbury (UKC).

Citation Download Citation

Keith Tame, Marc C. Price, and L. T. Little "Design and fabrication of 800- to 900-GHz Pb-alloy SIS mixing device incorporating an on-substrate tuning element", Proc. SPIE 3357, Advanced Technology MMW, Radio, and Terahertz Telescopes, (31 July 1998); https://doi.org/10.1117/12.317394

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