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Author  |
Kawamura, J.; Blundell, R.; Tong, C-Y. E.; Gol'tsman, G.; Gershenzon, E.; Voronov, B.; Cherednichenko, S. | ||||
| Title | Phonon-cooled NbN HEB mixers for submillimeter wavelengths | Type | Conference Article | ||
| Year | 1997 | Publication | Proc. 8th Int. Symp. Space Terahertz Technol. | Abbreviated Journal | Proc. 8th Int. Symp. Space Terahertz Technol. |
| Volume | Issue | Pages | 23-28 | ||
| Keywords | waveguide NbN HEB mixers | ||||
| Abstract | The noise performance of receivers incorporating NbN phonon-cooled superconducting hot electron bolometric mixers is measured from 200 GHz to 900 GHz. The mixer elements are thin-film (thickness — 4 nm) NbN with —5 to 40 pm area fabricated on crystalline quartz sub- strates. The receiver noise temperature from 200 GHz to 900 GHz demonstrates no unexpected degradation with increasing frequency, being roughly TRx ,; 1-2 K The best receiver noise temperatures are 410 K (DSB) at 430 GHz, 483 K at 636 GHz, and 1150 K at 800 GHz. | ||||
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| Notes | Approved | no | |||
| Call Number | Serial | 275 | |||
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