| Records |
| Author |
Encrenaz, Thérèse |
| Title |
Neutral Atmospheres of the Giant Planets: An Overview of Composition Measurements |
Type |
Journal Article |
| Year |
2005 |
Publication |
Space Science Reviews |
Abbreviated Journal |
Space Sci Rev |
| Volume |
116 |
Issue |
1-2 |
Pages |
99-119 |
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| ISSN |
0038-6308 |
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no |
| Call Number |
RPLAB @ s @ |
Serial |
443 |
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| Author |
Finkel, M. I.; Maslennikov, S. N.; Gol'tsman, G. N. |
| Title |
Terahertz heterodyne receivers based on superconductive hot-electron bolometer mixers |
Type |
Journal Article |
| Year |
2005 |
Publication |
Radiophys. Quant. Electron. |
Abbreviated Journal |
Radiophys. Quant. Electron. |
| Volume |
48 |
Issue |
10-11 |
Pages |
859-864 |
| Keywords |
HEB, applications |
| Abstract |
We consider recent results in development of hot-electron bolometer mixers. Special attention is paid to optimization of the contacts between the antenna and the active area of a superconducting film. An important result in the study of the parasitic effect of direct detection is obtained during the measurement of the noise temperatures by the hot/cold load method. The latest results of studies of the waveguide hot-electron bolometer mixers and their successful practical applications are considered. Progress in development of high-frequency (over 1.3 THz) heterodyne receivers for several important international projects is discussed and new submillimeter radio astronomy projects ESPRIT and SAFIR are described. |
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0033-8443 |
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381 |
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Koshelets, V. P.; Dmitriev, P. N.; Ermakov, A. B.; Filippenko, L. V.; Koryukin, O. V.; Torgashin, M. Yu.; Khudchenko, A. V. |
| Title |
Integrated superconducting spectrometer for atmosphere monitoring |
Type |
Journal Article |
| Year |
2005 |
Publication |
Radiophys. Quant. Electron. |
Abbreviated Journal |
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| Volume |
48 |
Issue |
10-11 |
Pages |
844-850 |
| Keywords |
SIR |
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0033-8443 |
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no |
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519 |
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| Author |
Lee, Ju-Hyun; Kim, Dong-Woo; Wu, Yung-Hsun; Yu, Chang-Jae; Lee, Sin-Doo; Wu, Shin-Tson |
| Title |
High-speed infrared phase modulators using short helical pitch ferroelectric liquid crystals |
Type |
Journal Article |
| Year |
2005 |
Publication |
Optics Express |
Abbreviated Journal |
Opt. Express |
| Volume |
13 |
Issue |
20 |
Pages |
7732 |
| Keywords |
IR modulator |
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1094-4087 |
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no |
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541 |
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| Author |
Корнеев, А. А.; Минаева, О.; Рубцова, И.; Милостная, И.; Чулкова, Г.; Воронов, Б.; Смирнов, К.; Селезнёв, В.; Гольцман, Г.; Pearlman, A.; Slysz, W.; Cross, A.; Alvarez, P.; Верёвкин, А.; Sobolewski, R. |
| Title |
Сверхпроводящий однофотонный детектор на основе ультратонкой пленки NbN |
Type |
Journal Article |
| Year |
2005 |
Publication |
Квантовая электроника |
Abbreviated Journal |
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| Volume |
35 |
Issue |
8 |
Pages |
698-700 |
| Keywords |
NbN SSPD, SNSPD |
| Abstract |
Представлены результаты исследований сверхпроводящих однофотонных детекторов, изготовленных из ультратонкой пленки NbN. Развитие технологического процесса изготовления детекторов, а также снижение рабочей температуры до 2 К позволили существенно увеличить квантовую эффективность: для видимого света (λ = 0.56 мкм) она составила 30%–40%, т.е. достигла предела, определяемого коэффициентом поглощения пленки. С ростом длины волны квантовая эффективность экспоненциально падает, составляя ~20% на λ=1.55 мкм и ~0.02% на λ = 5 мкм. При скорости темнового счета ~10-4s-1 экспериментально измеренная эквивалентная мощность шума составила 1.5 × 10-20 Вт/Гц-1/2; в дальнейшем она может быть уменьшена до рекордно низкого значения 5 × 10-21 Вт/Гц-1/2. Временное разрешение детектора равно 30 пс. |
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Russian |
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Duplicated as 383 (Superconducting single-photon ultrathin NbN film detector) |
Approved |
no |
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Serial |
382 |
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