17 February 2003 1.4- to 1.7-THz NbN hot-electron bolometer mixer for the Herschel Space Observatory
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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.
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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, "1.4- to 1.7-THz NbN hot-electron bolometer mixer for the Herschel Space Observatory", Proc. SPIE 4855, Millimeter and Submillimeter Detectors for Astronomy, (17 February 2003); doi: 10.1117/12.459675; https://doi.org/10.1117/12.459675
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