| Records |
| Author |
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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| 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.; Shitov, S. V.; Ermakov, A. B.; Filippenko, L. V.; Koryukin, O. V.; Khudchenko, A. V.; Torgashin, M. Yu.; Yagoubov, P. A.; Hoogeveen, R. W. M.; Pylypenko, O. M. |
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Superconducting integrated receiver for TELIS |
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2005 |
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IEEE Trans. Appl. Supercond. |
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15 |
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2 |
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960-963 |
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SIR |
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1051-8223 |
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517 |
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Shitov, S. V.; Inatani, J.; Shan, W.-L.; Takeda, M; Wang, Z.; Uvarov, A. V.; Ermakov, A. B.; Uzawa, Y. |
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Measurement of emissivity of the ALMA antenna panel at 840 GHz using NbN-based heterodyne SIS receiver |
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Conference Article |
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2008 |
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Proc. 19th Int. Symp. Space Terahertz Technol. |
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263-266 |
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SIS mixer, reflection, emissivity, mirror, space telescope, space observatory |
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580 |
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Uzawa, Y.; Kojima, T.; Kroug, M.; Takeda, M.; Candotti, M.; Fujii, Y.; Shan, W.-L.; Kaneko, K.; Shitov, S.; Wang, M.-J. |
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Development of the 787-950 GHz ALMA band 10 cartridge |
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Conference Article |
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2009 |
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Proc. 20th Int. Symp. Space Terahertz Technol. |
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12-12 |
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SIS mixer, noise temperature, ALMA, band 10 |
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We are developing the Atacama Large Millimeter/Submillimeter Array (ALMA) Band 10 (787-950 GHz) receiver cartridge. The incoming beam from the 12-m antenna is reflected by a pair of two ellipsoidal mirrors placed in the cartridge, and then split into two orthogonal polarizations by a free-standing wire-grid. Each beam enters a corrugated feed horn attached to a double-side-band (DSB) mixer block. The mixer uses a full-height waveguide and an NbTiN- or NbN-based superconductor-insulator-superconductor (SIS) mixer chip. We are testing the following three types of mixer chips: 1) Nb SIS junctions + NbTiN/SiO2/Al tuning circuits on a quartz substrate, 2) Nb SIS junctions + NbN/SiO2/Al tuning circuits on an MgO substrate, and 3) NbN SIS junctions + NbN or NbTiN tuning circuits on an MgO substrate. The IF system uses a 4-12-GHz cooled low-noise InP-based MMIC amplifier developed by Caltech. So far, the type 1) has shown the best performance. At LO frequencies from 800 to 940 GHz, the mixer noise temperatures measured by using the standard Y-factor method were below 240 K at an operating physical temperature of 4 K. The lowest noise temperature, 169 K, was obtained at the center frequency of the band 10, as designed. These well-developed technologies will be implemented in the band 10 cartridge to achieve the ALMA specifications. |
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615 |
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Yagoubov, P. L.; Hoogeveen, R. W. M.; Maurellis, A. M.; Mair, U.; Krocka, M.; Wagner, G.; Birk, M.; Hiibers, H.-W.; Richter, H.; Semenov, A.; Gol'tsman, G.; Voronov, B.; Koshelets, V.; Shitov, S.; Ellison, B.; Kerridge, B.; Matheson, D.; Alderman, B.; Harman, M.; Siddans, R.; Reburn, J. |
| Title |
TELIS — development of a new balloon borne THz/submm heterodyne limb sounder |
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Conference Article |
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2003 |
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Proc. 14th Int. Symp. Space Terahertz Technol. |
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Proc. 14th Int. Symp. Space Terahertz Technol. |
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204-214 |
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limb-sounder, TELIS |
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We present a design concept for a new state-of-the-art balloon borne atmospheric monitor that will allow enhanced limb sounding of the Earth's atmosphere within the submillimeter and far-infrared wavelength spectral range: TELIS, TErahertz and submm LImb Sounder. The instrument is being developed by a consortium of major European institutes that includes the Space Research Organisation of the Netherlands (SRON), the Rutherford Appleton Laboratory (RAL) in the United Kingdom and the Deutschen Zentrum far Luft- und Raumfahrt (DLR) in Germany (lead institute). TELIS will utilise state-of-the-art superconducting heterodyne technology and is designed to be a compact, lightweight instrument capable of providing broad spectral coverage, high spectral resolution and long flight duration (-24 hours duration during a single flight campaign). The combination of high sensitivity and extensive flight duration will allow evaluation of the diurnal variation of key atmospheric constituents such as OH, HO,, C10, BrO together will longer lived constituents such as 0 3 , HCL and N 2 0. Furthermore, TELIS will share a common balloon platform to that of the MIPAS-B Fourier Transform Spectrometer, developed by the Institute of Meteorology and Climate research of the University of Karlsruhe, Germany. MIPAS-B will provide simultaneous and complementary spectral measurements over an extended spectral range. The combination of the TELIS and MIPAS instruments will provide atmospheric scientists with a very powerful observational tool. TELIS will serve as a testbed for new cryogenic heterodyne detection techniques, and as such it will act as a prelude to future spacebome instruments planned by the European Space Agency (ESA). |
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1499 |
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