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Title ГОСТ Р 15.011-96. Патентные исследования. Содержание и порядок проведения Type Book Whole
Year (up) 1996 Publication Abbreviated Journal
Volume Issue Pages
Keywords gost, patents, detproj
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Notes Approved no
Call Number Serial 865
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Author
Title ГОСТ Р 50995.3.1-96. Технологическое обеспечение создания продукции. Технологическая подготовка производства Type Book Whole
Year (up) 1996 Publication Abbreviated Journal
Volume Issue Pages
Keywords gost, detproj
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Notes Approved no
Call Number Serial 874
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Author Kawamura, J.; Blundell, R.; Tong, C.-Y. E.; Golts'man, G.; Gershenzon, E.; Voronov B.
Title Superconductive NbN hot-electron bolometric mixer performance at 250 GHz Type Conference Article
Year (up) 1996 Publication Proc. 7th Int. Symp. Space Terahertz Technol. Abbreviated Journal Proc. 7th Int. Symp. Space Terahertz Technol.
Volume Issue Pages 331-336
Keywords NbN HEB mixers
Abstract Thin film NbN (<40 A) strips are used as waveguide mixer elements. The electron cooling mechanism for the geometry is the electron-phonon interaction. We report a receiver noise temperature of 750 K at 244 GHz, with / IF = 1.5 GHz, Af= 500 MHz, and Tphysical = 4 K. The instantaneous bandwidth for this mixer is 1.6 GHz. The local oscillator (LO) power is 0.5 1.tW with 3 dB-uncertainty. The mixer is linear to 1 dB up to an input power level 6 dB below the LO power. We report the first detection of a molecular line emission using this class of mixer, and that the receiver noise temperature determined from Y-factor measurements reflects the true heterodyne sensitivity.
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Notes Approved no
Call Number Serial 945
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Author Kerr, A. R.; Feldman, M. J.; Pan, S.-K.
Title Receiver noise temperature, the quantum noise limit, and the role of the zero-point fluctuations Type Journal Article
Year (up) 1996 Publication Electronics division internal report NO. 304 Abbreviated Journal
Volume Issue Pages 1-10
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Call Number RPLAB @ atomics90 @ Serial 947
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Author Gousev, Yu. P.; Semenov, A. D.; Pechen, E. V.; Varlashkin, A. V.; Nebosis, R. S.; Renk K. F
Title Coupling of terahertz radiation to a high-Т(с) superconducting hot electron bolometer mixer Type Journal Article
Year (up) 1996 Publication Abbreviated Journal Appl. Phys. Lett.,
Volume 69 Issue Pages 691-693
Keywords
Abstract We report on efficient coupling of THz radiation to a high-T(c) superconducting hot electron bolometer that is suitable for heterodyne detection. Our quasioptical system consisted of a planar self-complementary spiral antenna on a dielectric substrate clamped to an extended hyperhemispherical lens. The antenna was integrated into a co-planar line for broadband intermediate frequency matching. Measurements in the homodyne regime at a frequency of 2.5 THz showed a radiation pattern with a beam width of 1° and a coupling efficiency of 0.1. We measured, at an intermediate frequency of 1.5 GHz, an output noise temperature of'160 K and estimated for the device, operated in the heterodyne regime, a system noise temperature of 30 000 K. We also discuss possibilities of significant improvement of the sensitivity.
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Notes Approved no
Call Number RPLAB @ atomics90 @ Serial 958
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