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Author Blagosklonskaya, L. E.; Gershenzon, E. M.; Gol'tsman, G. N.; Elant'ev, A. I.
Title Effect of a high magnetic field on the spectrum of donors in InSb Type Journal Article
Year 1977 Publication Fizika i Tekhnika Poluprovodnikov Abbreviated Journal Fizika i Tekhnika Poluprovodnikov
Volume (down) 11 Issue 12 Pages 2373-2375
Keywords InSb, energy spectrum, donors, high magnetic field
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Language Russian Summary Language Original Title
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Notes Воздействие сильного магнитного поля на спектр доноров в InSb Approved no
Call Number Serial 1729
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Author Gershenzon, E. M.; Gurvich, Y. A.; Orlova, S. L.; Ptitsina, N. G.
Title Scattering of electrons by charged impurities in Ge under cyclotron resonance conditions Type Journal Article
Year 1976 Publication Presumably: Sov. Phys. Semicond. | Физика и техника полупроводников Abbreviated Journal Presumably: Sov. Phys. Semicond. | Физика и техника полупроводников
Volume (down) 10 Issue Pages 1379-1383
Keywords Ge, cyclotron resonance, charged impurities,
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Notes Approved no
Call Number Serial 1772
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Author Kawamura, J. H.; Tong, C.-Y.E.; Blundell, R.; Cosmo Papa, D.; Hunter, T. R.; Gol'tsman, G.; Cherednichenko, S.; Voronov, B.; Gershenzon, E.
Title An 800 GHz NbN phonon-cooled hot-electron bolometer mixer receiver Type Journal Article
Year 1999 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal IEEE Trans. Appl. Supercond.
Volume (down) 9 Issue 2 Pages 3753-3756
Keywords NbN HEB mixers
Abstract We describe a heterodyne receiver developed for astronomical applications to operate in the 350 /spl mu/m atmospheric window. The waveguide receiver employs a superconductive NbN phonon-cooled hot-electron bolometer mixer. The double sideband receiver noise temperature closely follows 1 kGHz/sup -1/ across 780-870 GHz, with the intermediate frequency centered at 1.4 GHz. The conversion loss is about 15 dB. The receiver was installed for operation at the University of Arizona/Max Planck Institute for Radio Astronomy Submillimeter Telescope facility. The instrument was successfully used to conduct test observations of a number of celestial sources in a number of astronomically important spectral lines.
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ISSN 1051-8223 ISBN Medium
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Notes Approved no
Call Number Serial 288
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Author Schwaab, G.W.; Sirmain, G.; Schubert, J.; Hubers, H.-W.; Gol'tsman, G.; Cherednichenko, S.; Verevkin, A.; Voronov, B.; Gershenzon, E.
Title Investigation of NbN phonon-cooled HEB mixers at 2.5 THz Type Journal Article
Year 1999 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal IEEE Trans. Appl. Supercond.
Volume (down) 9 Issue 2 Pages 4233-4236
Keywords NbN HEB mixers
Abstract The development of superconducting hot electron bolometric (HEB) mixers has been a big step forward in the direction of quantum noise limited mixer performance at THz frequencies. Such mixers are crucial for the upcoming generation of airborne and spaceborne THz heterodyne receivers. In this paper we report on new results on a phonon-cooled NbN HEB mixer using e-beam lithography. The superconducting film is 3 nm thick. The mixer is 0.2 μm long and 1.5 μm wide and it is integrated in a spiral antenna on a Si substrate. The device is quasi-optically coupled through a Si lens and a dielectric beam combiner to the radiation of an optically pumped FIR ring gas laser cavity. The performance of the mixer at different THz frequencies from 0.69 to 2.55 THz with an emphasis on 2.52 THz is demonstrated. At 2.52 THz minimum DSB noise temperatures of 4200 K have been achieved at an IF of 1.5 GHz and a bandwidth of 40 MHz with the mixer mounted in a cryostat and a 0.8 m long signal path in air.
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ISSN 1051-8223 ISBN Medium
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Notes Approved no
Call Number Serial 550
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Author Antipov, S. V.; Svechnikov, S. I.; Smirnov, K. V.; Vakhtomin, Y. B.; Finkel, M. I.; Goltsman, G. N.; Gershenzon, E. M.
Title Noise temperature of quasioptical NbN hot electron bolometer mixers at 900 GHz Type Journal Article
Year 2001 Publication Physics of Vibrations Abbreviated Journal Physics of Vibrations
Volume (down) 9 Issue 4 Pages 242-245
Keywords NbN HEB mixers
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ISSN 1069-1227 ISBN Medium
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Notes Approved no
Call Number Serial 1550
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