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Author
Hübers, Heinz-Wilhelm
;
Semenov, Alexei
;
Schubert, Josef
;
Gol'tsman, Gregory
;
Voronov, Boris
;
Gershenzon, Evgeni
Title
Performance of the phonon-cooled hot-electron bolometric mixer between 0.7 THz and 5.2 THz
Type
Conference Article
Year
2000
Publication
Proc. 8-th Int. Conf. on Terahertz Electronics
Abbreviated Journal
Proc. 8-th Int. Conf. on Terahertz Electronics
Volume
Issue
Pages
117-119
Keywords
NbN HEB mixers
Abstract
We report on the phonon cooled NbN hot electron bolometer as mixer in the terahertz frequency range. Its hybrid antenna consists of a hyperhemispheric silicon lens and a logarithmic-spiral feed antenna. Noise temperatures have been measured between 0.7 THz and 5.2 THz. A quarter wavelength layer of Parylene works as antireflection coating for the silicon lens and reduces the noise temperature by about 30. It was found that the antenna pattern at 2.5 THz is determined by the feed antenna and not by the diameter of the lens.
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Darmstadt, Germany
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International Conference on Terahertz Electronics [8th], Held inDarmstadt, Germany on 28-29 September 2000
Notes
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no
Call Number
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1553
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