Records |
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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503 |
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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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462 |
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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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Pages |
47 |
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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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Pages |
601-613 |
Keywords |
HEB mixer, model, conversion gain, noise temperature, impedance, 2.5 THz |
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Charlottesville, Virginia, USA |
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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. |
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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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945 |
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