660- to 690-GHz open structure SIS receiver for submillimeter radioastronomy

Hermann Rothermel; M. Voss; K. H. Gundlach

doi:10.1117/12.183019

19 August 1994 660- to 690-GHz open structure SIS receiver for submillimeter radioastronomy

Hermann Rothermel, M. Voss, K. H. Gundlach

Proceedings Volume 2211, Millimeter and Submillimeter Waves; (1994) https://doi.org/10.1117/12.183019
Event: Millimeter and Submillimeter Waves and Applications: International Conference, 1994, San Diego, CA, United States

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.

Citation Download Citation

Hermann Rothermel, M. Voss, and K. H. Gundlach "660- to 690-GHz open structure SIS receiver for submillimeter radioastronomy", Proc. SPIE 2211, Millimeter and Submillimeter Waves, (19 August 1994); https://doi.org/10.1117/12.183019

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