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Тархов, Михаил Александрович |
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Разработка сверхпроводниковых однофотонных детекторов с повышенной спектральной чувствительностью и быстродействием. Автореферат |
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2016 |
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М. НИЦ “Курчатовский институт” |
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1-30 |
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SSPD |
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1065 |
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Schroeder, E.; Mauskopf, P.; Pilyavsky, G.; Sinclair, A.; Smith, N.; Bryan, S.; Mani, H.; Morozov, D.; Berggren, K.; Zhu, D.; Smirnov, K.; Vakhtomin, Y. |
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Title |
On the measurement of intensity correlations from laboratory and astronomical sources with SPADs and SNSPDs |
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Conference Article |
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2016 |
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Proc. SPIE |
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Proc. SPIE |
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9907 |
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99070P (1 to 13) |
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Keywords |
SPAD, NbN SSPD applications, SNSPD |
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We describe the performance of detector modules containing silicon single photon avalanche photodiodes (SPADs) and superconducting nanowire single photon detectors (SNSPDs) to be used for intensity interferometry. The SPADs are mounted in fiber-coupled and free-space coupled packages. The SNSPDs are mounted in a small liquid helium cryostat coupled to single mode fiber optic cables which pass through a hermetic feed-through. The detectors are read out with microwave amplifiers and FPGA-based coincidence electronics. We present progress on measurements of intensity correlations from incoherent sources including gas-discharge lamps and stars with these detectors. From the measured laboratory performance of the correlation system, we estimate the sensitivity to intensity correlations from stars using commercial telescopes and larger existing research telescopes. |
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SPIE |
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Malbet, F.; Creech-Eakman, M.J.; Tuthill, P.G. |
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Optical and Infrared Interferometry and Imaging V |
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1809 |
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Author |
Столяров, А. В. |
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Title |
Программирование. Введение в профессию. Том 1. Азы программирования |
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2016 |
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МАКС Пресс |
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programming, computer science |
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Первый том серии «Программирование: введение в профессию» включает две основные части. В первую часть книги вошли избранные сведения из истории вычислительной техники, обсуждение некоторых областей математики, непосредственно используемых программистами (таких как алгебра логики, комбинаторика, позиционные системы счисления), математических основ программирования (теория вычислимости и теория алгоритмов), принципы построения и функционирования вычислительных систем, начальные сведения о работе с командной строкой ОС Unix. Вторая часть посвящена начальным навыкам составления компьютерных программ на примере Free Pascal под ОС Unix. Материал ориентирован на изучение в будущем языка Си, так что, в частности, много внимания уделено работе с адресами и указателями, построению списков и других динамических структур данных; в то же время многие возможности Паскаля из рассмотрения исключены. Даются сведения о правилах оформления текстов программ, о тестировании и отладке. |
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Москва |
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978-5-317-05222-5 |
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1133 |
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Столяров, А. В. |
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Title |
Программирование. Введение в профессию. Том 2. Низкоуровневое программирование |
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2016 |
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МАКС Пресс |
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programming, computer science |
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Во второй том книги «Программирование: введение в профессию» вошли её третья и четвёртая части. Третья часть книги посвящена программированию на уровне машинных команд на примере ассемблера NASM. Рассматривается «юзерспейсовская» часть системы команд i386, конвенции системных вызовов Linux/i386 и FreeBSD/i386, изучается макропроцессор, раздельная трансляция и работа компоновщика, приведены сведения об арифметике с плавающей точкой. Четвёртая часть, посвящённая языку Си, включает, кроме собственно описания этого языка, также краткие сведения о библиотеке ncurses; рассказ о том, как использовать компилятор Си без его стандартной библиотеки; дополнительные сведения об инструментах сборки и отладки программ; наконец, в книге приводится краткое описание систем контроля версий CVS и git. |
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Москва |
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978-5-317-05301-7 |
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1134 |
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Author |
Beebe, M. R.; Beringer, D. B.; Burton, M. C.; Yang, K.; Lukaszew, R. A. |
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Title |
Stoichiometry and thickness dependence of superconducting properties of niobium nitride thin films |
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Journal Article |
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Year |
2016 |
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Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films |
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Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films |
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34 |
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2 |
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021510 (1 to 4) |
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potential plagiarism, possible plagiarism, NbN films |
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The current technology used in linear particle accelerators is based on superconducting radio frequency (SRF) cavities fabricated from bulk niobium (Nb), which have smaller surface resistance and therefore dissipate less energy than traditional nonsuperconducting copper cavities. Using bulk Nb for the cavities has several advantages, which are discussed elsewhere; however, such SRF cavities have a material-dependent accelerating gradient limit. In order to overcome this fundamental limit, a multilayered coating has been proposed using layers of insulating and superconducting material applied to the interior surface of the cavity. The key to this multilayered model is to use superconducting thin films to exploit the potential field enhancement when these films are thinner than their London penetration depth. Such field enhancement has been demonstrated in MgB2 thin films; here, the authors consider films of another type-II superconductor, niobium nitride (NbN). The authors present their work correlating stoichiometry and superconducting properties in NbN thin films and discuss the thickness dependence of their superconducting properties, which is important for their potential use in the proposed multilayer structure. While there are some previous studies on the relationship between stoichiometry and critical temperature TC, the authors are the first to report on the correlation between stoichiometry and the lower critical field HC1. |
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0734-2101 |
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Potential plagiarism for 1503 |
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1504 |
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