%0 Conference Proceedings
%T Quasioptical NbN phonon-cooled hot electron bolometric mixers with low optimal local oscillator power
%A Yazoubov, P.
%A Kroug, M.
%A Merkel, H.
%A Kollberg, E.
%A Gol'tsman, G.
%A Lipatov, A.
%A Svechnikov, S.
%A Gershenzon, E.
%S Proc. 9[super:th] Int. Symp. Space Terahertz Technol.
%D 1998
%F Yazoubov_etal1998
%O exported from refbase (https://db.rplab.ru/refbase/show.php?record=1589), last updated on Tue, 25 May 2021 18:52:40 -0500
%X In this paper, the noise perform.ance of NIN based phonon-cooled Hot Electron Bolometric (HEB) quasioptical mixers is investigated in the 0.55-1.1 THz frequency range. The best results of the DSB noise temperature are: 500 K at 640 GHz, 600 K at 750 GHz, 850 K at 910 GHz and 1250 K at 1.1 THz. The water vapor in the signal path causes a significant contribution to the measured noise temperature around 1.1 THz. The required LO power is typically about 60 nW. The frequency response of the spiral antenna+lens system is measured using a Fourier Transform Spectrometer with the HEB operating in a detector mode.
%K NbN HEB mixers
%U https://www.nrao.edu/meetings/isstt/1998.shtml
%P 131-140