| Records |
| 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 |
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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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275 |
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Kerr, A. R.; Feldman, M. J.; Pan, S.-K. |
| Title |
Receiver noise temperature, the quantum noise limit, and zero–point fluctuations |
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Conference Article |
| Year |
1997 |
Publication |
Proc. 8th Int. Symp. Space Terahertz Technol. |
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101-111 |
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277 |
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| Author |
de Lange, G.; Hu, Q.; Huang, H.; Lichtenberger, A. W. |
| Title |
Development of a 170-210 GHz 3×3 micromachined SIS imaging array |
Type |
Conference Article |
| Year |
1997 |
Publication |
Proc. 8th Int. Symp. Space Terahertz Technol. |
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518 |
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278 |
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Boreman, Glenn D. |
| Title |
Infrared microantennas |
Type |
Journal Article |
| Year |
1997 |
Publication |
SPIE |
Abbreviated Journal |
SPIE |
| Volume |
3110 |
Issue |
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Pages |
882-885 |
| Keywords |
optical antennas |
| Abstract |
We present results of mesurments of the polarization response of asymetric spiral antennas coupled Ni-NiO-Ni diodes, over the wavelength range 10.2 to 10.7 μm. The feed structure of the antenna imposes an elliptical polarization singature that is different from the circular polarization expected from a symmetric spiral. We develop a lossy-transmission-line model yielding the measured polarization response. A combination of a balanced and an unbalanced mode is required. Reflected current waves from the arm ends are significant. |
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RPLAB @ gujma @ |
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755 |
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ГОСТ Р 50995.0.1-96. Технологическое обеспечение создания продукции. Основные положения |
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Book Whole |
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1997 |
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gost, detproj |
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873 |
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