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Proceedings Paper

660- to 690-GHz open structure SIS receiver for submillimeter radioastronomy
Author(s): Hermann Rothermel; M. Voss; K. H. Gundlach
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Paper Abstract

A 690 GHz receiver was built up by mounting a 690 GHz mixer element in an existing open structure mixer and by upgrading a solid state oscillator used around 345 GHz previously to the 660 to 700 GHz range. A double sideband noise temperature <500 K was accomplished and verified by a laboratory measurement of the 12CO (6-5) molecular line at 691.5 GHz. The mixer is operated at a bath temperature <2.5 K. A particular feature of this receiver is the use of one single SIS contact of submicron dimension. Its production and production and specific merits are addressed.

Paper Details

Date Published: 19 August 1994
PDF: 14 pages
Proc. SPIE 2211, Millimeter and Submillimeter Waves, (19 August 1994); doi: 10.1117/12.183019
Show Author Affiliations
Hermann Rothermel, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
M. Voss, IRAM (France)
K. H. Gundlach, IRAM (France)


Published in SPIE Proceedings Vol. 2211:
Millimeter and Submillimeter Waves
Mohammed N. Afsar, Editor(s)

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