Records |
Author |
Carlstrom, John E.; Jonas Zmuidzinas |
Title |
Millimeter and Submillimeter Techniques |
Type |
Book Chapter |
Year |
1996 |
Publication |
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Volume |
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Issue |
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Pages |
848 |
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Publisher |
Oxford University Press Inc |
Place of Publication |
New York |
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Series Title |
Review of radio science 1993–1996 |
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Series Issue |
34 |
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Published for the International Union of Radio Science |
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no |
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Serial |
268 |
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Author |
Tinkham, Mikhael |
Title |
Introduction to superconductivity |
Type |
Book Whole |
Year |
1996 |
Publication |
McGraw-Hill |
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Pages |
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Keywords |
superconductivity, BCS, GL |
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Place of Publication |
USA |
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2 |
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no |
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Serial |
896 |
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Author |
- |
Title |
ГОСТ Р 15.011-96. Патентные исследования. Содержание и порядок проведения |
Type |
Book Whole |
Year |
1996 |
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Pages |
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Keywords |
gost, patents, detproj |
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no |
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Serial |
865 |
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Author |
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Title |
ГОСТ Р 50995.3.1-96. Технологическое обеспечение создания продукции. Технологическая подготовка производства |
Type |
Book Whole |
Year |
1996 |
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gost, detproj |
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no |
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Serial |
874 |
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Author |
van de Stadt, H. |
Title |
An improved 1 THz waveguide mixer |
Type |
Conference Article |
Year |
1996 |
Publication |
Proc. 7th Int. Symp. Space Terahertz Technol. |
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Volume |
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Issue |
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Pages |
536 |
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Place of Publication |
Charlottesville, Virginia, USA |
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Notes |
Probably other authors exist. |
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no |
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Serial |
263 |
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Author |
Belitsky, V. Yu.; Kollberg, E. L. |
Title |
Tuning circuit for NbN SIS mixer |
Type |
Conference Article |
Year |
1996 |
Publication |
Proc. 7th Int. Symp. Space Terahertz Technol. |
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Volume |
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Issue |
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Pages |
234 |
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Place of Publication |
Charlottesville, Virginia, USA |
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no |
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Serial |
264 |
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Author |
Yagubov, P.; Gol'tsman, G.; Voronov, B.; Seidman, L.; Siomash, V.; Cherednichenko, S.; Gershenzon, E. |
Title |
The bandwidth of HEB mixers employing ultrathin NbN films on sapphire substrate |
Type |
Conference Article |
Year |
1996 |
Publication |
Proc. 7th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 7th Int. Symp. Space Terahertz Technol. |
Volume |
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Issue |
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Pages |
290-302 |
Keywords |
NbN HEB mixers, fabrication process |
Abstract |
We report on some unusual features observed during fabrication of ultrathin NbN films with high Tc. The films were used to fabricate HEB mixers, which were evaluated for IF bandwidth measurements at 140 GHz. Ultrathin films were fabricated using reactive dc magnetron sputtering with a discharge current source. Reproducible parameters of the films are assured keeping constant the difference between the discharge voltage in pure argon, and in a gas mixture, for the same current. A maximum bandwidth of 4 GHz at optimal LO and dc bias was obtained for mixer chip based on NbN film 35 A thick with Tc = 11 K. |
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Place of Publication |
Charlottesville, Virginia, USA |
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no |
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Serial |
266 |
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Author |
Ellison, B. N.; Maddison, B. J.; Matheson, D. N.; Oldfield, M. L.; Marazita, S.; Crowe, T. W.; Maaskant, P.; Kelly, W. M. |
Title |
First results for a 2.5 THz Schottky diode waveguide mixer |
Type |
Conference Article |
Year |
1996 |
Publication |
Proc. 7th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 7th Int. Symp. Space Terahertz Technol. |
Volume |
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Issue |
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Pages |
494 |
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Place of Publication |
Charlottesville, Virginia, USA |
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no |
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Serial |
265 |
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Author |
Betz, A. L.; Borejko, R. T. |
Title |
A practical Schottky mixer for 5 THz |
Type |
Conference Article |
Year |
1996 |
Publication |
Proc. 7th Int. Symp. Space Terahertz Technol. |
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Volume |
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Issue |
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Pages |
503 |
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no |
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Serial |
269 |
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Author |
Hesler, J. L.; Hall, W. R.; Crowe, T. W.; Weikle, R. M.; Bradley, R. F.; Pan, Shing-Kuo |
Title |
Submm wavelenght waveguide mixers using planar Schottky barier diods |
Type |
Conference Article |
Year |
1996 |
Publication |
Proc. 7th Int. Symp. Space Terahertz Technol. |
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Volume |
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Issue |
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Pages |
462 |
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no |
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Serial |
270 |
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Author |
Tong, C. Y. E.; Blundell, R.; Bumble, B.; Stern, J. A.; LeDuc, H. G. |
Title |
Sub-Millimeter distributed quasiparticle receiver employing a non-Linear transmission line |
Type |
Conference Article |
Year |
1996 |
Publication |
Proc. 7th Int. Symp. Space Terahertz Technol. |
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Issue |
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Pages |
47 |
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no |
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Serial |
271 |
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Author |
Nebosis, R. S.; Semenov, A. D.; Gousev, Yu. P.; Renk, K. F. |
Title |
Rigorous analysis of a superconducting hot-electron bolometer mixer: theory and comparision with experiment |
Type |
Conference Article |
Year |
1996 |
Publication |
Proc. 7th Int. Symp. Space Terahertz Technol. |
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Volume |
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Issue |
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Pages |
601-613 |
Keywords |
HEB mixer, model, conversion gain, noise temperature, impedance, 2.5 THz |
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Place of Publication |
Charlottesville, Virginia, USA |
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no |
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Serial |
605 |
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Author |
Kawamura, J.; Blundell, R.; Tong, C.-Y. E.; Golts'man, G.; Gershenzon, E.; Voronov B. |
Title |
Superconductive NbN hot-electron bolometric mixer performance at 250 GHz |
Type |
Conference Article |
Year |
1996 |
Publication |
Proc. 7th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 7th Int. Symp. Space Terahertz Technol. |
Volume |
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Issue |
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Pages |
331-336 |
Keywords |
NbN HEB mixers |
Abstract |
Thin film NbN (<40 A) strips are used as waveguide mixer elements. The electron cooling mechanism for the geometry is the electron-phonon interaction. We report a receiver noise temperature of 750 K at 244 GHz, with / IF = 1.5 GHz, Af= 500 MHz, and Tphysical = 4 K. The instantaneous bandwidth for this mixer is 1.6 GHz. The local oscillator (LO) power is 0.5 1.tW with 3 dB-uncertainty. The mixer is linear to 1 dB up to an input power level 6 dB below the LO power. We report the first detection of a molecular line emission using this class of mixer, and that the receiver noise temperature determined from Y-factor measurements reflects the true heterodyne sensitivity. |
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no |
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Serial |
945 |
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Author |
Ekström, H.; Kroug, M.; Belitsky, V.; Kollberg, E.; Olsson, H.; Goltsman, G.; Gershenzon, E.; Yagoubov, P.; Voronov, B.; Yngvesson, S. |
Title |
Hot electron mixers for THz applications |
Type |
Conference Article |
Year |
1996 |
Publication |
Proc. 30th ESLAB |
Abbreviated Journal |
Proc. 30th ESLAB |
Volume |
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Issue |
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Pages |
207-210 |
Keywords |
NbN HEB mixers |
Abstract |
We have measured the noise performance of 35 A thin NbN HEB devices integrated with spiral antennas on antireflection coated silicon substrate lenses at 620 GHz. From the noise measurements we have determined a total conversion gain of the receiver of—16 dB, and an intrinsic conversion of about-10 dB. The IF bandwidth of the 35 A thick NbN devices is at least 3 GHz. The DSB receiver noise temperature is less than 1450 K. Without mismatch losses, which is possible to obtain with a shorter device, and with reduced loss from the beamsplitter, we expect to achieve a DSB receiver noise temperature of less ‘than 700 K. |
Address |
Noordwijk, Netherlands |
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Rolfe, E. J.; Pilbratt, G. |
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Submillimetre and Far-Infrared Space Instrumentation |
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1606 |
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Yagoubov, P.; Gol'tsman, G.; Voronov, B.; Svechnikov, S.; Cherednichenko, S.; Gershenzon, E.; Belitsky, V.; Ekström, H.; Semenov, A.; Gousev, Yu.; Renk, K. |
Title |
Quasioptical phonon-cooled NbN hot-electron bolometer mixer at THz frequencies |
Type |
Conference Article |
Year |
1996 |
Publication |
Proc. 7th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 7th Int. Symp. Space Terahertz Technol. |
Volume |
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Issue |
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Pages |
303-317 |
Keywords |
NbN HEB mixers |
Abstract |
In our experiments we tested phonon-cooled hot-electron bolometer (HEB) quasioptical mixer based on spiral antenna designed for 0.5-1.2 THz frequency band and fabricated on sapphire, Si-coated sapphire and high resistivity silicon substrates. HEB devices were produced from thin superconducting NbN film 3.5-6 nm thick with the critical temperature of about 11-12 K. For these devices we achieved the receiver noise temperature T R (DSB) = 3000 K in the 500-700 GHz frequency range and an IF bandwidth of 3-4 GHz. Prelimanary measurements at frequencies 1-1.2 THz resulted the receiver noise temperature about 9000 K (DSB). |
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1614 |
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