Records |
Author |
Kaurova, N. S.; Finkel, M. I.; Maslennikov, S. N.; Vahtomin, Yu. B.; Antipov, S. V.; Smirnov, K. V.; Voronov, B. M.; Gol'tsman, G. N.; Ilyin, K. S. |
Title |
Submillimeter mixer based on YBa2Cu3O7-x thin film |
Type |
Conference Article |
Year |
2004 |
Publication |
Proc. 1-st conf. Fundamental problems of high temperature superconductivity |
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Pages |
291 |
Keywords |
HTS, HEB mixer |
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Moscow-Zvenigorod |
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Moscow-Zvenigorod |
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355 |
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Каурова, Н. С.; Финкель, М. И.; Масленников, С. Н.; Вахтомин, Ю. Б.; Антипов, С. В.; Смирнов, К. В.; Воронов, Б. М.; Гольцман, Г. Н.; Ильин, К. С. |
Title |
Смеситель субмиллиметрового диапазона длин волн на основе тонкой пленки YBa2Cu3O7-x |
Type |
Conference Article |
Year |
2004 |
Publication |
1-я международная конференция Фундаментальные проблемы высокотемпературной сверхпроводимости |
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291 |
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Москва-Звенигород |
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Москва-Звенигород |
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russian |
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RPLAB @ s @ htsmix_zvenigorod_2004_rus |
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356 |
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Author |
Moore, D.P.; Remedios, J. J.; Waterfall, A. M.; Burgess, A. |
Title |
Measuring halocarbons from the MIPAS instrument |
Type |
Miscellaneous |
Year |
2004 |
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RPLAB @ s @ |
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441 |
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Author |
Koshelets, V. P. |
Title |
Integrated superconducting submm receivers |
Type |
Miscellaneous |
Year |
2004 |
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SIR |
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511 |
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Title |
Statue of the SIR program for SR&T (extension to 1 THz) |
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Miscellaneous |
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2004 |
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512 |
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Koshelets, V. P.; Shitov, S. V.; Dmitriev, P. N., Ermakov, A. B.; Filippenko, L. V.; Koryukin, O.V.; Sobolev, A.S.; Torgashin, M.Yu.; Yagoubov, P.; Hoogeveen, R. |
Title |
Integrated submillimeter and terahertz receivers with superconducting local oscillator |
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Abstract |
Year |
2004 |
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Presanted at 8th International Workshop “From Andreev Reflection to the International Space Station” |
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513 |
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Koshelets, V. P.; Dmitriev, P. N.; Ermakov, A. B.; Filippenko, L. V.; Khudchenko, A. V.; Koryukin, O. V.; Torgashin, M. Yu.; Hoogeveen, R.; Vreeling, W. J.; Yagoubov, P. |
Title |
SIR for TELIS (post-critical) review |
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Miscellaneous |
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2004 |
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516 |
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Author |
van't Klooster, K.; Myasnikova, S. E.; Parshin, V. V.; Kasparek, W. |
Title |
Results of reflection loss measurements of sample material for radio astronomy telescope antenna for Planck Project |
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Conference Article |
Year |
2004 |
Publication |
Proc. 14th international crimean conference on microwave and telecommunication technology |
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753-755 |
Keywords |
mirror, reflection index, emissivity, Fabry-Perot interferometer, space observatory, terahertz, THz |
Abstract |
Advanced radio telescope antennas for space applications are realised by the use of stable composite materials, which are lighter in general than various metal realisations. Reflectivity measurements have been carried out on high technology samples for the Planck radio telescope. Highly accurate results have been obtained at the Applied Physics Institute in Nizhny Novgorod, and an independent measurement with a totally different setup at the University of Stuttgart confirmed that one of the samples showed a strange behaviour. Moreover, it confirmed the high accuracy of the testing method. |
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579 |
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Author |
Kramer, B.; Chen, C-C.; Volakis, J.D. |
Title |
The development of a mini-UWB antenna |
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Journal Article |
Year |
2004 |
Publication |
Measurement and Techniques Association Symposium |
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AMTA |
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6 |
Keywords |
optical antennas; Ultra Wide Band; Spiral Antenna, Dielectric Loading |
Abstract |
There is a great interest in the automotive and military sectors for small and broadband antennas that meet modern communication needs. These needs require ultra-wide bandwidth (>10:1) UWB antennas, such as the spiral antenna. However, the physical size at the low-frequency end typically becomes too large for practical applications. To reduce the size of the antenna, miniaturization techniques must be employed such as the use of high-contrast dielectric materials. Size reduction using high-contrast materials has been demonstrated for narrowband antennas, such as patch antennas, but not for broadband antennas to our knowledge. Therefore, the concept of miniaturizing a broadband spiral antenna using dielectric materials will be investigated experimentally and numerically.Issues that arise from dielectric loading such as impedance reduction will also be addressed. It will be shown using the results from these studies that there are practical limitations to the amount of miniaturization which can be achieved. |
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RPLAB @ gujma @ |
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751 |
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Author |
Meledin D.; Pantaleev M.; Pavolotsky A.; Risacher C.; Robles V.A.P.; Belitsky V.; Drakinskiy V.; Cherednichenko S. |
Title |
Design of a balanced waveguide HEB mixer for APEX 1.32 THz receiver |
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Conference Article |
Year |
2004 |
Publication |
Proc. 15th Int. Symp. Space Terahertz Technol. |
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211-217 |
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The prototype of a waveguide balanced Hot Electron Bolometer (HEB) Terahertz mixer is designed as a part of development for the APEX Project of Band T2 receiver for 1250-1390 GHz. The proposed mixer employs balanced scheme with two identical HEB devices. These individual mixers would be placed on two separate crystalline quartz substrates with dimensions of 1000μm x67μm x17 μm each with integrated RF choke filters, DC-bias and IF circuitry. A 3 dB quadrature waveguide directional coupler is needed to provide local oscillator (LO) injection and RF signal distribution between the two HEB mixers. We have designed the coupler to achieve the required frequency band, low insertion loss and symmetrical division of the RF and LO power within the band of interest. Initial design of HEB mixer layout is developed based on a previous development for a 345 GHz sideband separation mixer. We present also results of development of microfabrication technology of the waveguide hybrid employing micromachining approach combined with electroplating technique. |
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RPLAB @ atomics90 @ |
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972 |
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