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Proceedings Paper

1.4- to 1.7-THz NbN hot-electron bolometer mixer for the Herschel Space Observatory
Author(s): Sergey Cherednichenko; Pourya Khosropanah; Aurele Adam; Harald F. Merkel; Erik L. Kollberg; Denis Loudkov; Gregory N. Golitsman; Boris M. Voronov; Heiko Richter; Heinz-Wilhelm Huebers
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Paper Abstract

NbN hot- electron bolometer mixers have reached the level of 10hv/k in terms of the input noise temperature with the noise bandwidth of 4-6 GHz from subMM band up to 2.5 THz. In this paper we discuss the major characteristics of this kind of receiver, i.e. the gain and the noise bandwidth, the noise temperature in a wide RF band, bias regimes and optimisation of RF coupling to the quasioptical mixer. We present the status of the development of the mixer for Band 6 Low for Herschel Telescope.

Paper Details

Date Published: 17 February 2003
PDF: 10 pages
Proc. SPIE 4855, Millimeter and Submillimeter Detectors for Astronomy, (17 February 2003); doi: 10.1117/12.459675
Show Author Affiliations
Sergey Cherednichenko, Chalmers Univ. of Technology (Sweden)
Pourya Khosropanah, Chalmers Univ. of Technology (Sweden)
Aurele Adam, Chalmers Univ. of Technology (Sweden)
Harald F. Merkel, Chalmers Univ. of Technology (Sweden)
Erik L. Kollberg, Chalmers Univ. of Technology (Sweden)
Denis Loudkov, Moscow State Pedagogical Univ. (Russia)
Gregory N. Golitsman, Moscow State Pedagogical Univ. (Russia)
Boris M. Voronov, Moscow State Pedagogical Univ. (Russia)
Heiko Richter, DLR (Germany)
Heinz-Wilhelm Huebers, DLR (Germany)

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

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