1.6 THz heterodyne receiver for the far infrared space telescope

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1.6 THz heterodyne receiver for the far infrared space telescope

Journal Article (2002)

Author(s)

S. Cherednichenko (Chalmers University of Technology)

M. Kroug (Chalmers University of Technology)

H. Merkel (Chalmers University of Technology)

P. Khosropanah (Chalmers University of Technology)

A. Adam (Chalmers University of Technology)

E. Kollberg (Chalmers University of Technology)

D. Loudkov (Moscow State Pedagogical University)

G. Gol'tsman (Moscow State Pedagogical University)

B. Voronov (Moscow State Pedagogical University)

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DOI related publication

https://doi.org/10.1016/S0921-4534(02)00715-3

Hot-electron bolometric mixer NbN thin film Terahertz receiver

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Publication Year

2002

Language

English

Affiliation

External organisation

Journal title

Physica C: Superconductivity and its Applications

Issue number

Part 1

Volume number

372-376

Pages (from-to)

427-431

Downloads counter

189

Abstract

A low noise heterodyne receiver is being developed for the terahertz range using a phonon-cooled hot-electron bolometric mixer based on 3.5 nm thick superconducting NbN film. In the 1–2 GHz intermediate frequency band the double-sideband receiver noise temperature was 450 K at 0.6 THz, 700 K at 1.6 THz and 1100 K at 2.5 THz. In the 3–8 GHz IF band the lowest receiver noise temperature was 700 K at 0.6 THz, 1500 K at 1.6 THz and 3000 K at 2.5 THz while it increased by a factor of 3 towards 8 GHz.

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