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Cherednichenko, S.; Drakinskiy, V. |
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Title |
Low noise hot-electron bolometer mixers for terahertz frequencies |
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Journal Article |
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2008 |
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J. Low Temp. Phys. |
Abbreviated Journal |
J. Low Temp. Phys. |
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151 |
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1-2 |
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575-579 |
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Keywords |
HEB, mixer, gain bandwidth, MgB2 |
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Abstract |
Hot-electron bolometer (HEB) mixers are used in many low noise heterodyne radio astronomical receivers. Their noise temperature is at the level of 10–15 times the quantum limit. However, their gain bandwidth is a serious limiting factor. Here we review the state of the art of the HEB mixers gain bandwidth for different materials and substrates. We compare the gain bandwidth of HEB mixers made on bulk substrates and thin membranes. Finally, results for MgB2 thin films for broadband HEB mixers are discussed. |
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0022-2291 |
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RPLAB @ lobanovyury @ |
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553 |
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Finkel, M. I.; Maslennikov, S. N.; Gol'tsman, G. N. |
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Title |
Terahertz heterodyne receivers based on superconductive hot-electron bolometer mixers |
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Journal Article |
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2005 |
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Radiophys. Quant. Electron. |
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Radiophys. Quant. Electron. |
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48 |
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10-11 |
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859-864 |
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HEB, applications |
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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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381 |
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Finkel, M. I.; Maslennikov, S. N.; Gol'tsman, G. N. |
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The concept of the receiving complex for the “Millimetron” space radio telescope |
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2007 |
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Radiophys. Quant. Electron. |
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Radiophys. Quant. Electron. |
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50 |
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10-11 |
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837-846 |
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HEB, applications, Millimetron, VLBI |
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We consider the current status of research in the development of a submillimeter and far-infrared receiving instrument and propose promising solutions for the receivers of the spaceborne telescope “Millimetron,” which allow one to realize comprehensively the opportunities given by this international project administrated by the Astrospace Center of the P. N. Lebedev Physical Institute of the Russian Academy of Sciences. |
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411 |
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Gol’tsman, G.N. |
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Title |
Overview of recent results for superconducting NbN terahertz and optical detectors and mixers |
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Miscellaneous |
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2014 |
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SM2 – Seminar on Terahertz Photonics |
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0562 |
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NbN SSPD, SNSPD, HEB |
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We present our recent achievements in the development of sensitive and ultrafast thin-film superconducting sensors: hot-electron bolometers (HEB), HEB-mixers for terahertz range and infrared single-photon counters. These sensors have already demonstrated a performance that makes them devices-of-choice for many terahertz and optical applications. |
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1746 |
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Chen, J.; Kang, L.; Jin, B. B.; Xu, W. W.; Wu, P. H.; Zhang, W.; Jiang, L.; Li, N.; Shi, S. C.; Gol'tsman, G. N. |
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Properties of terahertz superconducting hot electron bolometer mixers |
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2008 |
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Int. J. Terahertz Sci. Technol. |
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Int. J. Terahertz Sci. Technol. |
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1 |
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1 |
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37-41 |
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Keywords |
NbN HEB mixers, noise temperature |
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A quasi-optical superconducting niobium nitride (NbN) hot electron bolometer (HEB) mixer has been fabricated and measured in the terahertz (THz) frequency range of 0.5~2.52 THz. A receiver noise temperature of 2000 K at 2.52 THz has been obtained for the mixer without corrections. Also, the effect of a Parylene C anti-reflection (AR) coating on the silicon (Si) lens has been studied. |
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1417 |
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