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1361. http://www.cplire.ru/html/lab234/pubs/2005-08.pdf
... 2 550-650 GHZ COLD CHANNEL DESIGN The 550-650 GHz channel of the TELIS instrument is based on a phase-locked Superconducting Integrated Receiver (SIR) [3,4]. ... Telescope primary Liquid helium cryostat 4.2 K Secondary Tertiary Integrated lens-antenna Calibration load Polarizer Warm optics Cold optics Dichroic Window Fig. ... Complete optics of the 550-650 GHz receiver, including the cold channel, warm optics and the telescope (as drawn in Fig. 1), was also simulated by GRASP. ... This can be Fig. ...
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Ссылки http://www.cplire.ru/html/lab234/pubs/2005-08.pdf -- 687.9 Кб -- 24.01.2006
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1362. http://www.cplire.ru/html/lab234/pubs/2005-09.pdf
Title: Superconducting Flux-Flow Oscillators for THz Integrated Receiver Authors: V.P. Koshelets (1, 2), P.N. Dmitriev (1), A.B. Ermakov (1, 2), L.V. Filippenko (1), A.S. Sobolev (1), M.Yu. ... The concept of a fully Superconducting Integrated Receiver (SIR) has been developed and experimentally proven in a tight collaboration between the Institute of Radio Engineering and Electronics (IREE-Moscow) and the SRON Netherlands Institute for Space Research. ...
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Ссылки http://www.cplire.ru/html/lab234/pubs/2005-09.pdf -- 16.7 Кб -- 24.01.2006
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1363. http://www.cplire.ru/html/lab234/pubs/2005-10.pdf
... For example, only about 50 % of the FFO power can be phase-locked by the present PLL system at the free-running FFO linewidth of 7 MHz. ... D EPENDENCE OF THE Abstract -- A comprehensive experimental study of the Flux Flow Oscillator (FFO) linewidth on its parameters has been carried out in order to obtain free-running FFO linewidth well below 10 MHz and ensure phase-locked operation of a Superconducting Integrated Receiver (SIR). ... Presented at ISEC-2005 2 FFO length for tested FFOs. ...
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Ссылки http://www.cplire.ru/html/lab234/pubs/2005-10.pdf -- 76.7 Кб -- 24.01.2006
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1364. http://www.cplire.ru/html/lab234/pubs/2005-12.pdf
... The 550 - 650 GHz channel of TELIS is based on a phase-locked Superconducting Integrated Receiver (SIR). SIR is an on-chip combination of a low-noise Superconductor-Insulator-Superconductor (SIS) mixer with quasioptical antenna, a superconducting Flux Flow Oscillator (FFO) acting as Local Oscillator (LO), and SIS harmonic mixer (HM) for FFO phase locking. ... The 550 - 650 GHz channel is based on a phase-locked Superconducting Integrated Receiver (SIR) [2]. ...
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Ссылки http://www.cplire.ru/html/lab234/pubs/2005-12.pdf -- 240.0 Кб -- 24.01.2006
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1365. http://www.cplire.ru/html/lab234/pubs/2005-13.pdf
... The FFO is a long Josephson junction in which the flow of magnetic flux quanta, and thus the oscillator frequency is controlled by the DC bias current IB, and the DC current ICL producing the magnetic field at the junction ends. ... A number of samples were fabricated, each containing an FFO integrated with a bias current loop designed so that the bias current can generate approximately the same positive or negative contribution to the magnetic fields at both ends of the FFO. ... Figure 2. ...
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Ссылки http://www.cplire.ru/html/lab234/pubs/2005-13.pdf -- 157.6 Кб -- 24.01.2006
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1366. http://www.cplire.ru/html/lab234/pubs/2005-14.pdf
... TELIS INSTRUMENT DESCRIPTION The optical front-end of TELIS is common for the three channels and consists of a pointing telescope, calibration blackbody, and relay and band-separating optics, see Figure 1 and [21, 22, 23]. ... Schematics of the TELIS front-end optics and the SIR channel optics. ... The SIR channel is discussed in detail in the next section. ... OPTICS OF THE SIR CHANNEL The layout of the 550 - 650 GHz SIR channel cold optics is shown in Figure 2 and discussed in more detail in [2123...
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Ссылки http://www.cplire.ru/html/lab234/pubs/2005-14.pdf -- 1156.5 Кб -- 24.01.2006
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1367. http://www.cplire.ru/html/lab234/pubs/2005-15.pdf
Numerical simulation of the self-pump ed Long Josephson junction using a modified Sine-Gordon model A.S. Sobolev a,, A.L. Pankratov b, J. Mygind a c Institute of Radio Engineering and Electronics (IREE), Mokhovaya st. 11/7, Moscow, 125009, Russia b Institute for Physics of Microstructures of RAS, Nizhny Novgorod, Russia c The Danish Technical University, Kgs. ... In our model the dumping parameter dep ends b oth on the spatial coordinate and the amplitude of the AC voltage. ...
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Ссылки http://www.cplire.ru/html/lab234/pubs/2005-15.pdf -- 137.4 Кб -- 24.01.2006
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1368. http://www.cplire.ru/html/lab234/pubs/2005-16e.pdf
... The SINIS mixer combines the advantages of a hot-electron bolometer (HEB), such as a high signal frequency at a small local oscillator power, with the advantages of an SIS mixer, including low noise level, a high intermediate frequency, and wide working temperature range (up to a critical temperature of the superconductor). ... The SIS mixer allows a noise temperature lower than 100 K (which is equivaq lent to several quantum noise limits T n = hf/k) to be reached at frequencies below 1 THz [1]. ...
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Ссылки http://www.cplire.ru/html/lab234/pubs/2005-16e.pdf -- 86.6 Кб -- 24.01.2006
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1369. http://www.cplire.ru/html/lab234/pubs/2005-18.pdf
On the concept of a cold-electron bolometer mixer M. Tarasov1,2, and L. Kuzmin1 Chalmers University of Technology, KemivДgen 9, SE-41296 GЖteborg, Sweden Institute of Radio Engineering and Electronics, Mokhovaya 11 bld. ... CEB mixer combines advantages of Hot Electron Bolometer (HEB) mixer such as high signal frequency and low LO power, and advantages of SIS mixer such as low noise, high IF and immunity to small temperature variations. ... Finally for CEBM we can have moderate power gain. ...
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Ссылки http://www.cplire.ru/html/lab234/pubs/2005-18.pdf -- 24.3 Кб -- 24.01.2006
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1370. http://www.cplire.ru/html/lab234/pubs/2005-20.pdf
Towards Supersensitive Bolometers and Electron Coolers Based on Carbon Nanotubes M.Tarasov1,3, J.Svensson2, S.Dittmer2, L.Kuzmin1, and E.Campbell2 1 .MC2, Chalmers University of Technology, SE 41296 GЖteborg, Sweden 2 . Dept. of Physics, GЖteborg University, SE-41296 GЖteborg, Sweden 3 . ... Cold-Electron Bolometer with a CNT as absorber should demonstrate record sensitivity due to the very low temperature that is predicted to be reached in the CNT (less than the phonon temperature). ...
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Ссылки http://www.cplire.ru/html/lab234/pubs/2005-20.pdf -- 12.9 Кб -- 24.01.2006
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1371. http://www.cplire.ru/html/lab234/pubs/2005-21.pdf
Growth of Epitaxial (001) YBa2Cu3O7 Superconducting Thin Films on (001) Diamond Substrate. ... In order to reach higher frequencies and lower losses, it is necessary to use substrate material with lower dielectric constants and low losses in far infrared region. ... In the present work, as a first step in this direction, we present results of successful growth of epitaxial (001)YBa2Cu3O7 thin film on (100) diamond substrate by pulse laser deposition method. ...
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Ссылки http://www.cplire.ru/html/lab234/pubs/2005-21.pdf -- 11.9 Кб -- 24.01.2006
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1372. http://www.cplire.ru/html/lab234/pubs/2005-23.pdf
TOWARDS SUPERSENSITIVE BOLOMETERS AND ELECTRON COOLERS BASED ON CARBON NANOTUBES M.TARASOV, J.SVENSSON, S.DITTMER, L.KUZMIN, AND E.CAMPBELL Chalmers University of Technology, GЖteborg SE 41294, Sweden E-mail: Mikhail.tarasov@mc2.chalmers.se Carbon nanotubes (CNT) are being intensively developed for novel electronics. Electron cooling by superconductor-insulator-nanotube (SIN) tunnel junctions could be extremely effective due to the small volume of the CNT. ...
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Ссылки http://www.cplire.ru/html/lab234/pubs/2005-23.pdf -- 253.5 Кб -- 24.01.2006
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1373. http://www.cplire.ru/html/lab234/pubs/2005-24.pdf
... The optimum design of the SMSL cross gives more than 95% of transmission and can be well used in a two-bus cross design with up to 14 signal wires. ... Driver Bias Current (% to nominal) (a) SMSL with via/bend (b) Ring1 60% 45% 30% 15% 0% -15% -30% -45% -60% 4 6 8 Simulation, SMSL via for NGST Measurement, SMSL bend for Hypres Measurement, SMSL via for NGST Receiver Receiver JTL Pulse Generator JTL JTL Pulse Merger JTL Delay Ring2 10 12 14 Ring Frequency (GHz) Figure 12. ...
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Ссылки http://www.cplire.ru/html/lab234/pubs/2005-24.pdf -- 475.5 Кб -- 24.01.2006
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1374. http://www.cplire.ru/html/lab234/pubs/2005-25.pdf
... We measured the bolometer responsivity and the noise equivalent power (NEP) by applying a modulated current through the heating tunnel junctions and absorber. ... The electromagnetic signal is received and concentrated by a large antenna and through the capacitance of the superconductor-insulator-normal metal (SIN) tunnel junction is supplied and converted into heat in the the absorber with a small volume. ... The inner tunnel junctions were used to measure the electron temperature of the absorber. ...
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Ссылки http://www.cplire.ru/html/lab234/pubs/2005-25.pdf -- 327.0 Кб -- 24.01.2006
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1375. Предложения о конференциях на 2006-2007 гг.
Научного совета РАН по распространению радиоволн . ... научных и научно-технических совещаний, конференций, симпозиумов, съездов, . ... на 2006-2007 гг. ?? . ... адрес, телефон, факс) . ... факс) . ... Муромский ин-т Владимирского гос. университета, Мин.образования РФ . ... тел. 8-092-34-2-28-85 . ... Ин-т рудиотехники и электроники РАН . ... Ин-т оптики атмосферы СО РАН . ... г.Иркутск . Ин-т солнечно-земной физики СО РАН . 664033, г.Иркутск, а/я 4026 . ... тел. (395-2) 4 2 - 5 9-19 . ...
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Ссылки http://www.cplire.ru/rus/councils/rp/proposals-06-07.html -- 48.1 Кб -- 06.11.2005
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1376. Сведения об участии Научного совета РАН по комплексной проблеме
... Научного совета РАН по комплексной проблеме 'Распространение радиоволн' . в научных мероприятиях, организуемых в Российской Федерации . другими ведомствами и организациями в 2006-2007 гг. ?? . ... Научные организации . ... Научный совет РАН . ... Секция 'Распространение и дифракция радиоволн' на 61-ой Научной сессии, посвященной Дню Радио . ... Всероссийская научно-техническая конференция 'Научная сессия ТУСУР-2006' (секция Радиотехнические системы и распространение радиоволн') . ...
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Ссылки http://www.cplire.ru/rus/councils/rp/information06-07.html -- 29.4 Кб -- 06.11.2005
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1377. http://www.cplire.ru/html/oxide233/Borisenko05IEEETrASC.pdf
... 2, JUNE 2005 165 Characterization and Dynamics of [100]-Tilted Y-B-C-O Bicrystal Junctions on Nd Ga O3 Igor V. Borisenko, Iosif M. Kotelyanski, Anton V. Shadrin, Philippe V. Komissinski, and Gennady A. Ovsyannikov Abstract--We report on the fabrication technique and electrical properties of Basal Plane Tilted YBa2 Cu3 O7 x (YBCO) superconducting bicrystal Josephson Junctions (BTJ). ... 2, JUNE 2005 Fig. ... At Fig. ... B. Critical Current Typical dependence of BTJ is shown on Fig. ...
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Ссылки http://www.cplire.ru/html/oxide233/Borisenko05IEEETrASC.pdf -- 516.7 Кб -- 01.09.2005
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1378. http://www.cplire.ru/html/oxide233/Ovsyannikov05IEEETrASC.pdf
... 2, JUNE 2005 533 Bandwidth and Noise of Submillimeter Wave Cuprate Bicrystal Josephson Junction Detectors Gennady A. Ovsyannikov, Igor V. Borisenko, Karen Y. Constantinian, Yulii V. Kislinski, Arsen A. Hakhoumian, Nubar ... Pedersen, Jesper Mygind, Nikolaos Uzunoglu, and Evangelia Karagianni Abstract--Detectors made from superconducting cuprate bicrystal Josephson junctions (BJJs) on sapphire substrates have been fabricated and characterized in the ... The Golay cell is a submm wave...
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Ссылки http://www.cplire.ru/html/oxide233/Ovsyannikov05IEEETrASC.pdf -- 442.0 Кб -- 01.09.2005
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1379. http://www.cplire.ru/html/oxide233/TechPhLt3_05KotelyanskLO.pdf
... Metal Oxide Bicrystal Josephson Junctions of a New Type with High Critical Parameters I. M. Kotelyanskioe*, I. V. Borisenko, A. V. Shadrin, G. A. Ovsyannikov, V. A. Luzanov, and F. V. ... University of Technology, 41296, GЖteborg, Sweden * e-mail: imk216@ire216.msk.su Received September 28, 2004 Abstract--The film bicrystal Josephson junctions of a new type based on a metal oxide high-Tc superconductor of the YBa2Cu3O7 ґ x ( ...
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Ссылки http://www.cplire.ru/html/oxide233/TechPhLt3_05KotelyanskLO.pdf -- 54.6 Кб -- 01.09.2005
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1380. Philippe V. Komissinski
... Thin Film Technology, . Solid State Physics - Superconductivity . ... P. V. Komissinski and G. A. Ovsyannikov, "Experimental observation of stimulation of superconductivity in niobium thin films", JEPT Lett., v. 61, p.587 (1995). ... F. Lombardi, Z. G. Ivanov, P. Komissinski, G. M. Fischer, P. Larsson and T. Claeson, "The influence of the top and the bottom grain boundaries on the current transport in YBCO step-edge Josephson junction", Applied Superconductivity v. 6, p. 437 (1998). ...
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Ссылки http://www.cplire.ru/html/oxide233/fil.html -- 8.5 Кб -- 01.09.2005
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