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31 July 1998 Design and fabrication of 800- to 900-GHz Pb-alloy SIS mixing device incorporating an on-substrate tuning element
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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).
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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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