Records |
Author |
Loudkov, D.; Tong, C. Y. E.; Blundell, R.; Kaurova, N.; Grishina, E.; Voronov, B.; Gol'tsman, G. |
Title |
An investigation of the performance of the superconducting HEB슠mixer as a function of its RF슠embedding impedance |
Type |
Journal Article |
Year |
2005 |
Publication |
IEEE Trans. Appl. Supercond. |
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Volume |
15 |
Issue |
2 |
Pages |
472-475 |
Keywords |
HEB mixer |
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IEEE |
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371 |
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Baselmans, J. J. A.; Baryshev, A.; Reker, S. F.; Hajenius, M.; Gao, J. R.; Klapwijk, T. M.; Vahtomin, Yu.; Maslennikov, S.; Antipov, S.; Voronov, B.; Gol'tsman, G. |
Title |
Direct detection effect in small volume hot electron bolometer mixers |
Type |
Journal Article |
Year |
2005 |
Publication |
Appl. Phys. Lett. |
Abbreviated Journal |
Appl. Phys. Lett. |
Volume |
86 |
Issue |
16 |
Pages |
163503 (1 to 3) |
Keywords |
HEB, mixer, direct detection effect |
Abstract |
We measure the direct detection effect in a small volume (0.15μm×1μm×3.5nm)(0.15μm×1μm×3.5nm) quasioptical NbN phonon cooled hot electronbolometermixer at 1.6THz1.6THz. We find that the small signal sensitivity of the receiver is underestimated by 35% due to the direct detection effect and that the optimal operating point is shifted to higher bias voltages when using calibration loads of 300K300K and 77K77K. Using a 200GHz200GHzbandpass filter at 4.2K4.2K the direct detection effect virtually disappears. This has important implications for the calibration procedure of these receivers in real telescope systems. |
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no |
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Serial |
377 |
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Author |
Finkel, M. I.; Maslennikov, S. N.; Gol'tsman, G. N. |
Title |
Terahertz heterodyne receivers based on superconductive hot-electron bolometer mixers |
Type |
Journal Article |
Year |
2005 |
Publication |
Radiophys. Quant. Electron. |
Abbreviated Journal |
Radiophys. Quant. Electron. |
Volume |
48 |
Issue |
10-11 |
Pages |
859-864 |
Keywords |
HEB, applications |
Abstract |
We consider recent results in development of hot-electron bolometer mixers. Special attention is paid to optimization of the contacts between the antenna and the active area of a superconducting film. An important result in the study of the parasitic effect of direct detection is obtained during the measurement of the noise temperatures by the hot/cold load method. The latest results of studies of the waveguide hot-electron bolometer mixers and their successful practical applications are considered. Progress in development of high-frequency (over 1.3 THz) heterodyne receivers for several important international projects is discussed and new submillimeter radio astronomy projects ESPRIT and SAFIR are described. |
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0033-8443 |
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no |
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381 |
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Author |
Hajenius, M.; Baselmans, J. J. A.; Baryshev, A.; Gao, J. R.; Klapwijk, T. M.; Kooi, J. W.; Jellema, W.; Yang, Z. Q. |
Title |
Full characterization and analysis of a terahertz heterodyne receiver based on a NbN hot electron bolometer |
Type |
Journal Article |
Year |
2006 |
Publication |
J. Appl. Phys. |
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Volume |
100 |
Issue |
7 |
Pages |
074507 |
Keywords |
HEB |
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0021-8979 |
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no |
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RPLAB @ s @ |
Serial |
385 |
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Author |
Gershenzon, E. M.; Gol'tsman, G. N.; Elantiev, A. I.; Karasik, B. S.; Potoskuev, S. E. |
Title |
Intense electromagnetic radiation heating of electrons of a superconductor in the resistive state |
Type |
Journal Article |
Year |
1988 |
Publication |
Sov. J. Low Temp. Phys. |
Abbreviated Journal |
Sov. J. Low Temp. Phys. |
Volume |
14 |
Issue |
7 |
Pages |
414-420 |
Keywords |
HEB |
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Duplicated as 1697 |
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236 |
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