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Proceedings Paper

700-GHz finline mixer with threee-stage stub tuning
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Paper Abstract

We report the successful operation of a 700 GHz SIS finline mixer employing a Nb tunnel junction and Nb transmission lines. In particular, we discuss the properties of a new mixer feed and the influence of tuning on the mixer performance. Experimental and simulation work shows that the performance of the mixer below the superconducting gap is strongly dependent on the electrical properties of the tuning stub, while at frequencies above the gap the mixer performance is dominated by both tuning and transmission line losses.

Paper Details

Date Published: 17 February 2003
PDF: 8 pages
Proc. SPIE 4855, Millimeter and Submillimeter Detectors for Astronomy, (17 February 2003); doi: 10.1117/12.459363
Show Author Affiliations
Ghassan Yassin, Univ. of Cambridge (United Kingdom)
Phechit Kittara, Univ. of Cambridge (United Kingdom)
Paul Grimes, Univ. of Cambridge (United Kingdom)
Stafford Withington, Univ. of Cambridge (United Kingdom)
Karl Jacobs, Univ. zu Koeln (Germany)


Published in SPIE Proceedings Vol. 4855:
Millimeter and Submillimeter Detectors for Astronomy
Thomas G. Phillips; Jonas Zmuidzinas, Editor(s)

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