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Author |
Масленников, Сергей Николаевич |
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Title |
Смесители на эффекте электронного разогрева для терагерцового и инфракрасного диапазонов |
Type |
Manuscript |
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Year |
2007 |
Publication |
М. МПГУ |
Abbreviated Journal |
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Keywords |
HEB, detector, mixer, terahertz, THz, infrared, IR, direct detection effect, conversion loss |
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Ph.D. thesis |
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Russian |
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no |
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Serial |
481 |
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Author |
Pruessner, Marcel W.; Stievater, Todd H.; Rabinovich, William S. |
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Title |
Integrated waveguide Fabry-Perot microcavities with silicon/air Bragg mirrors |
Type |
Journal Article |
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Year |
2007 |
Publication |
Optics Letters |
Abbreviated Journal |
Opt. Lett. |
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Volume |
32 |
Issue |
5 |
Pages |
533 |
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Edition |
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ISSN |
0146-9592 |
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no |
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Serial |
484 |
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Author |
Koshelets, V. P.; Ermakov, A. B.; Filippenko, L. V.; Khudchenko, A. V.; Kiselev, O. S.; Sobolev, A. S.; Torgashin, M. Y.; Yagoubov, P. A.; Hoogeveen, R. W. M.; Wild, W. |
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Title |
Superconducting integrated submillimeter receiver for TELIS |
Type |
Journal Article |
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Year |
2007 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
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Volume |
17 |
Issue |
2 |
Pages |
336-342 |
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Keywords |
SIR |
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ISSN |
1051-8223 |
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no |
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524 |
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Author |
Torgashin, Mikhail Yu.; Koshelets, Valery P.; Dmitriev, Pavel N.; Ermakov, Andrey B.; Filippenko, Lyudmila V.; Yagoubov, Pavel A. |
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Title |
Superconducting Integrated Receiver Based on Nb-AlN-NbN-Nb Circuits |
Type |
Journal Article |
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Year |
2007 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
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Volume |
17 |
Issue |
2 |
Pages |
379-382 |
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SIR |
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1051-8223 |
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no |
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525 |
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Author |
Semenov, Alexei D.; Richter, Heiko; Hubers, Heinz-Wilhelm; Gunther, Burghardt.; Smirnov, Andrey; Il'in, Konstantin S.; Siegel, Michael; Karamarkovic, Jugoslav P. |
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Title |
Terahertz performance of integrated lens antennas with a hot-electron bolometer |
Type |
Journal Article |
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Year |
2007 |
Publication |
IEEE Trans. Microw. Theory Techn. |
Abbreviated Journal |
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Volume |
55 |
Issue |
2 |
Pages |
239-247 |
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Keywords |
HEB, lens antenna |
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ISSN |
0018-9480 |
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no |
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Serial |
538 |
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Author |
Cherednichenko, S.; Drakinskiy, V.; Baubert, J.; Krieg, J.-M.; Voronov, B.; Gol'tsman, G.; Desmaris, V. |
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Title |
Gain bandwidth of NbN hot-electron bolometer terahertz mixers on 1.5 μm Si3N4 / SiO2 membranes |
Type |
Journal Article |
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Year |
2007 |
Publication |
J. Appl. Phys. |
Abbreviated Journal |
J. Appl. Phys. |
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Volume |
101 |
Issue |
12 |
Pages |
124508 (1 to 6) |
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Keywords |
HEB, mixer, membrane |
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Abstract |
The gain bandwidth of NbN hot-electron bolometer terahertz mixers on electrically thin Si3N4/SiO2 membranes was experimentally investigated and compared with that of HEB mixers on bulk substrates. A gain bandwidth of 3.5 GHz is achieved on bulk silicon, whereas the gain bandwidth is reduced down to 0.6–0.9 GHz for mixers on 1.5 μm Si3N4/SiO2 membranes. We show that application of a MgO buffer layer on the membrane extends the gain bandwidth to 3 GHz. The experimental data were analyzed using the film-substrate acoustic mismatch approach. |
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ISSN |
0021-8979 |
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no |
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Serial |
560 |
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Author |
Dickert, Franz L. |
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Title |
Christoph A. Schalley (Ed.): Analytical methods in supramolecular chemistry |
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Journal Article |
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Year |
2007 |
Publication |
Analytical and Bioanalytical Chemistry |
Abbreviated Journal |
Anal Bioanal Chem |
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Volume |
389 |
Issue |
7-8 |
Pages |
2039-2040 |
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Keywords |
supramolecular recognition |
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Abstract |
This is a review of book. |
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Edition |
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ISSN |
1618-2642 |
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no |
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Serial |
563 |
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Author |
Lieberzeit, P.; Afzal, A.; Rehman, A.; Dickert, F. |
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Title |
Nanoparticles for detecting pollutants and degradation processes with mass-sensitive sensors |
Type |
Journal Article |
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Year |
2007 |
Publication |
Sensors and Actuators B: Chemical |
Abbreviated Journal |
Sensors and Actuators B: Chemical |
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Volume |
127 |
Issue |
1 |
Pages |
132-136 |
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Keywords |
molecular imprinted polymer, MIP, recognition, quartz crystal microbalance, QCM, mass-sensitive sensor, detector |
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Abstract |
Compared with thin films, nanoparticle layers as coatings for QCM offer substantially increased interaction areas and sensitivities with favourable response times. Molybdenum disulphide (MoS2), e.g. has turned out to be a highly suitable material for interacting with thiols. The resulting materials are sufficiently soft according to Pearson to bind sulphur containing compounds reversibly. Depositing MoS2 nanoparticle submonolayers (particle size 200–300 nm) leads to an increase in sensor response by a factor of ten compared to a pure gold layer. Additionally, the nanoparticle layers show fully reversible sensor signals. Particle synthesis can also be combined with the molecular imprinting approach: by a precipitation technique, it is possible to generate molecularly imprinted TiO2 particles for engine oil degradation measurements. Compared with deposited thin layers, particles incorporate oxidised compounds from lubricants by a factor of two better. |
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ISSN |
0925-4005 |
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no |
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568 |
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Author |
Kampfrath, Tobias; Perfetti, Luca; von Volkmann, Konrad; Aguirre, Carla M.; Desjardins, Patrick; Martel, Richard; Frischkorn, Christian; Wolf, Martin |
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Title |
Optical response of single-wall carbon nanotube sheets in the far-infrared spectral range from 1 THz to 40 THz |
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Journal Article |
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Year |
2007 |
Publication |
Physica Status Solidi (B) |
Abbreviated Journal |
Phys. Stat. Sol. (B) |
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Volume |
244 |
Issue |
11 |
Pages |
3950-3954 |
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Keywords |
single wall, carbon nanotube, SWNT, SWCNT, CNT, detector, sensor, TDS |
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Abstract |
The optical properties of single-wall carbon nanotube sheets in the far-infrared have been investigated with THz time-domain spectroscopy. Over a wide frequency range from 1 THz to 40 THz, the complex dielectric function of the nanotube sample has been derived. Our data can be excellently reproduced by a Drude-Lorentz model function. The extracted fit parameters such as Lorentz resonance frequency and plasma frequency are consistent with values obtained by scanning tunneling techniques. We discuss the origin of both the Lorentz and Drude contribution in terms of direct and indirect optical transitions. |
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ISSN |
0370-1972 |
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569 |
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Author |
Koch, Martin |
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Title |
Terahertz communications: a 2020 vision |
Type |
Book Chapter |
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Year |
2007 |
Publication |
NATO Security through Science Series |
Abbreviated Journal |
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Volume |
2007 |
Issue |
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Pages |
325-338 |
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Keywords |
terahertz THz communications |
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Abstract |
We discuss basic considerations for potential short-range THz communication systems which may replace or supplement present WLAN systems in 10–15 years from now. On the basis of a few fundamental estimations we show that such a system will need a line-of-sight connection between receiver and emitter. To circumvent the blocking of the direct line-of-sight connection indoor THz communication systems will also have to rely on non-line-of-sight paths which involve reflections off the walls. The reflectivity of the walls can be enhanced by dielectric mirrors. This new scheme makes steerable high-gain antennas a necessity. Hence, a wireless THz communication system can not be a simple extension of the existing technology of today's local area networks. Instead it involves completely new concepts and ideas that have not yet been worked upon. |
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594 |
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