Record |
Author |
Gousev, Y. P.; Gol'tsman, G. N.; Karasik, B. S.; Gershenzon, E. M.; Semenov, A. D.; Barowski, H. S.; Nebosis, R. S.; Renk, K. F. |
Title |
Quasioptical superconducting hot electron bolometer for submillmeter waves |
Type |
Journal Article |
Year |
1996 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
Int. J. of Infrared and Millimeter Waves |
Abbreviated Journal |
Int. J. of Infrared and Millimeter Waves |
Volume |
17 |
Issue |
2 |
Pages |
317-331 |
Keywords |
NbN HEB |
Abstract |
We report on a superconducting hot electron bolometer coupled to radiation via a broadband antenna. The bolometer, a structured NbN film, was patterned on a thin dielectric membrane between terminals of a gold slotline antenna. We investigated the response to submillimeter radiation (wave-lengths ∼ 0.1 mm to 0.7 mm) in the fundamental Gaussian mode. We found that the directivity of the antenna was constant within a factor of 2.5 through the whole experimental range. The noise equivalent power of the bolometer at 119 µm was ∼ 3 · 10−13 W/Hz1/2; a time constant of ∼ 160 ps was estimated. |
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ISSN |
0195-9271 |
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Call Number |
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Serial |
1618 |
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