| Records |
| Author |
Gershenzon, E. M.; Gol'tsman, G. N.; Zorin, M. A.; Karasik, B. S.; Trifonov, V. A. |
| Title |
Nonequilibrium and bolometric response of YBaCuO films in a resistive state to infrared low intensity radiation |
Type |
Conference Article |
| Year |
1994 |
Publication |
Council on Low-temp. Phys. |
Abbreviated Journal |
Council on Low-temp. Phys. |
| Volume |
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Issue |
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Pages  |
82-83 |
| Keywords |
YBCO HTS HEB |
| Abstract |
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| Address |
Dubna |
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| Language |
Russian |
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Joint Inst. for Nuclear Research, Dubna (Russian Federation); 296 p; 1994; p. 82-83; 30. Conference on low-temperature physics; 30. Soveshchanie po fizike nizkikh temperatur; Dubna (Russian Federation); 6-8 Sep 1994 |
| Notes |
Неравновесный и болометрический отклик YBaCuO пленок в резиотивном состоянии на инфракрасное лазерное излучение малой интенсивности |
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1632 |
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| Author |
Zolotov, P.; Divochiy, A.; Vakhtomin, Y.; Seleznev, V.; Morozov, P.; Smirnov, K. |
| Title |
Superconducting single-photon detectors made of ultra-thin VN films |
Type |
Conference Article |
| Year |
2018 |
Publication |
KnE Energy |
Abbreviated Journal |
KnE Energy |
| Volume |
3 |
Issue |
3 |
Pages |
83-89 |
| Keywords |
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| Abstract |
We optimized technology of thin VN films deposition in order to study VN-based superconducting single-photon detectors. Investigation of the main VN film parameters showed that this material has lower resistivity compared to commonly used NbN. Fabricated from obtained films devices showed 100% intrinsic detection efficiency at 900 nm, at the temperature of 1.7 K starting with the bias current of 0.7·I |
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no |
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1230 |
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Cherednichenko, S.; Kroug, M.; Khosropanah, P.; Adam, A.; Merkel, H.; Kolberg, E.; Loudkov, D.; Voronov, B.; Gol'tsman, G.; Richter, H.; Hübers, H. W. |
| Title |
A broadband terahertz heterodyne receiver with an NbN HEB mixer |
Type |
Conference Article |
| Year |
2002 |
Publication |
Proc. 13th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 13th Int. Symp. Space Terahertz Technol. |
| Volume |
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Issue |
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Pages |
85-95 |
| Keywords |
NbN HEB mixers |
| Abstract |
We present a broadband and low noise heterodyne receiver for 1.4-1.7 THz designed for the Hershel Space Observatory. A phonon- cooled NbN HEB mixer was integrated with a normal metal double- slot antenna and an elliptical silicon lens. DSB receiver noise temperature Tr was measured from 1 GHz through 8GHz intermediate frequency band with 50 MHz instantaneous bandwidth. At 4.2 K bath temperature and at 1.6 THz LO frequency Tr is 800 K with the receiver noise bandwidth of 5 GHz. While at 2 K bath temperature Tr was as low as 700 K. At 0.6 THz and 1.1 THz a spiral antenna integrated NbN HEB mixer showed the receiver noise temperature 500 K and 800 K, though no antireflection coating was used in this case. Tr of 1100 K was achieved at 2.5 THz while the receiver noise bandwidth was 4 GHz. |
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Cambridge, MA, USA |
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Harward University |
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no |
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332 |
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Schwaab, G.W.; Auen, K.; Bruendermann, E.; Feinaeugle, R.; Gol’tsman, G.N.; Huebers, H.-W.; Krabbe, A.; Roeser, H.-P.; Sirmain, G. |
| Title |
2- to 6-THz heterodyne receiver array for the Stratospheric Observatory for Infrared Astronomy (SOFIA) |
Type |
Conference Article |
| Year |
1998 |
Publication |
Proc. SPIE |
Abbreviated Journal |
Proc. SPIE |
| Volume |
3357 |
Issue |
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Pages |
85-96 |
| Keywords |
NbN HEB mixers, applications, stratospheric observatory, airborne |
| Abstract |
The Institute of Space Sensor Technology of the German Aerospace Center (DLR) is developing a heterodyne array receiver for the frequency range 2 to 6 THz for the Stratospheric Observatory for Infrared Astronomy (SOFIA). Key science issues in that frequency range are the observation of lines of atoms [e.g. (OI)], ions [e.g. (CII), (NII)], and molecules (e.g. OH, HD, CO) with high spectral resolution to study the dynamics and evolution of galactic and extragalactic objects. Long term goal is the development of an integrated array heterodyne receiver with superconducting hot electron bolometric (HEB) mixers and p-type Ge or Si lasers as local oscillators. The first generation receiver will be composed of HEB mixers in a 2 pixel 2 polarization array which will be pumped by a gas laser local oscillator. Improved Schottky diode mixers are the backup solution for the HEBs. The state of the art of HEB mixer and p-type Ge laser technology are described as well as possible improvements in the ’conventional’ optically pumped far-infrared laser and Schottky diode mixer technology. Finally, the frequency coverage of the first generation heterodyne receiver for some important astronomical transitions is discussed. The expected sensitivity is compared to line fluxes measured by the ISO satellite. |
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SPIE |
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Editor |
Phillips, T.G. |
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Advanced Technology MMW, Radio, and Terahertz Telescopes |
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no |
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1583 |
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| Author |
Селиверстов, С. В.; Финкель, М. И.; Рябчун, С. А.; Воронов, Б. М.; Каурова, Н. С.; Селезнев, В. А.; Смирнов, К. В.; Вахтомин, Ю. Б.; Пентин, И. В.; Гольцман, Г. Н. |
| Title |
Терагерцевый сверхпроводниковый детектор с аттоджоулевым энергетическим разрешением и постоянной времени 25 пс |
Type |
Conference Article |
| Year |
2014 |
Publication |
Труды XVIII международного симпозиума «Нанофизика и наноэлектроника» |
Abbreviated Journal |
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| Volume |
1 |
Issue |
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Pages |
91-92 |
| Keywords |
NbN HEB |
| Abstract |
Представлены результаты измерения энергетического разрешения терагерцевого сверхпроводникового NbN-детектора на эффектеэлектронного разогрева, работающего при температуре около 10 К. Использование инновационной in situ технологии производства привело к существенному улучшению чувствительности детектора. Увеличение быстродействия детектора было достигнуто за счет реализации дополнительного диффузионного канала охла-ждения электронной подсистемы. Измеренное значение эквивалентной мощности шума на частоте 2.5 ТГц составило 2.0×10-13Вт•Гц-0.5, постоянной времени 25 пс. Соответствующее расчетное значение энергетического разрешения составило 2.5 аДж. |
| Address |
Нижний Новгород, Россия |
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Russian |
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no |
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1833 |
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