Records |
Author |
Shelkovnikov, A.; Grain, C.; Nguyen, C. T.; Butcher, R. J.; Amy-Klein, A.; Chardonnet, C. |
Title |
500-Hz two-photon Ramsey fringes with a SF6 beam: towards a new frequency standard in the 30-THz spectral region |
Type |
Journal Article |
Year |
2001 |
Publication |
Applied Physics B: Lasers and Optics |
Abbreviated Journal |
Appl. Phys. B: Lasers and Optics |
Volume |
73 |
Issue |
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Pages |
93-98 |
Keywords |
THz applications |
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485 |
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Author |
Zwiller, Vale<cc><81>ry; Blom, Hans; Jonsson, Per; Panev, Nikolay; Jeppesen, Sören; Tsegaye, Tedros; Goobar, Edgard; Pistol, Mats-Erik; Samuelson, Lars; Björk, Gunnar |
Title |
Single quantum dots emit single photons at a time: Antibunching experiments |
Type |
Journal Article |
Year |
2001 |
Publication |
Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
Volume |
78 |
Issue |
17 |
Pages |
2476 |
Keywords |
antibunching, quantum dot |
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0003-6951 |
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502 |
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Author |
Murk, A.; Kämpfer, N.; Wylde, R.; Inatani, J.; Manabe, T.; Seta, M. |
Title |
Characterization of various quasi-optical components for the submillimeter limb-sounder SMILES |
Type |
Conference Article |
Year |
2001 |
Publication |
Proc. 12th Int. Symp. Space Terahertz Technol. |
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Issue |
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Pages |
426-435 |
Keywords |
limb-sounder |
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530 |
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Title |
ГОСТ 2.102-68. ЕСКД. Виды и комплектность конструкторских документов |
Type |
Book Whole |
Year |
2001 |
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gost, detproj |
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861 |
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ГОСТ 19.301-2000. ЕСКД. Программа и методика испытаний. Требования к содержанию, оформлению и контролю качества |
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2001 |
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gost, detproj |
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866 |
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ГОСТ Р 15.201-2000. Продукция производственно-технического назначения. Порядок разработки и постановки продукции на производство |
Type |
Book Whole |
Year |
2001 |
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gost, detproj |
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no |
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876 |
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Author |
Danny Wilms Floet |
Title |
Hotspot mixing in THz niobium superconducting hot electron bolometer mixers |
Type |
Manuscript |
Year |
2001 |
Publication |
Delft University of Technology |
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Ph.D. thesis |
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Netherlands |
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no |
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Serial |
932 |
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Author |
Verevkin, A.; Xu, Y.; Zheng, X.; Williams, C.; Sobolewski, Roman; Okunev, O.; Smirnov, K.; Chulkova, G.; Korneev, A.; Lipatov, A.; Gol’tsman, G. N. |
Title |
Superconducting NbN-based ultrafast hot-electron single-photon detector for infrared range |
Type |
Conference Article |
Year |
2001 |
Publication |
Proc. 12th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 12th Int. Symp. Space Terahertz Technol. |
Volume |
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Issue |
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Pages |
462-468 |
Keywords |
NbN SSPD, SNSPD |
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no |
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1539 |
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Author |
Gol'tsman, Gregory; Semenov, Alexei; Smirnov, Konstantin; Voronov, Boris |
Title |
Background limited quantum superconducting detector for submillimeter wavelengths |
Type |
Conference Article |
Year |
2001 |
Publication |
Proc. 12th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 12th Int. Symp. Space Terahertz Technol. |
Volume |
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Issue |
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Pages |
469-475 |
Keywords |
Ti SQD, SQUID readout |
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no |
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Serial |
1540 |
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Author |
Yagoubov, P.; Hübers, H.-W.; Gol’tsman, G.; Semenov, A.; Gao, J.; Hoogeveen, R.; de Graauw, T.; Birk, M.; Selig, A.; de Korte, P. |
Title |
Hot-electron bolometer mixers – technology for far-infrared heterodyne instruments in future atmospheric chemistry missions |
Type |
Conference Article |
Year |
2001 |
Publication |
Proc. 3rd Int. Symp. Submillimeter Wave Earth Observation From Space |
Abbreviated Journal |
Proc. 3rd Int. Symp. Submillimeter Wave Earth Observation From Space |
Volume |
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Issue |
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Pages |
57-69 |
Keywords |
HEB mixers |
Abstract |
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Address |
Delmenhorst |
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Thesis |
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Publisher |
Logos-Verlag |
Place of Publication |
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Editor |
Buehler, S.; Berlin |
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3-89722-700-2 |
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International Symposium on Submillimeter Wave Earth Observation from Space, ISSMWEOS01 |
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no |
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1549 |
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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 |
9 |
Issue |
4 |
Pages |
242-245 |
Keywords |
NbN HEB mixers |
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ISSN |
1069-1227 |
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no |
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1550 |
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Svechnikov, S. I.; Antipov, S. V.; Vakhtomin, Y. B.; Goltsman, G. N.; Gershenzon, E. M.; Cherednichenko, S. I.; Kroug, M.; Kollberg, E. |
Title |
Conversion and noise bandwidths of terahertz NbN hot-electron bolometer mixers |
Type |
Journal Article |
Year |
2001 |
Publication |
Physics of Vibrations |
Abbreviated Journal |
Physics of Vibrations |
Volume |
9 |
Issue |
3 |
Pages |
205-210 |
Keywords |
NbN HEB mixers |
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1069-1227 |
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no |
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1551 |
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Author |
Hsiao, F.Z.; Lin, M.C.; Wang, C.; Lee, D.S.; Chen, J.R.; Hilbert, B.; Praud, A. |
Title |
The liquid helium cryogenic system for the superconducting cavity in SRRC |
Type |
Conference Article |
Year |
2001 |
Publication |
Proc. Particle Accelerator Conference |
Abbreviated Journal |
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Volume |
2 |
Issue |
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Pages |
1604-1606 |
Keywords |
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Abstract |
A 500 MHz superconducting cavity will replace the current copper cavity and begin to operate in the beginning of the year 2003. A liquid helium cryogenic system provides the cavity at 4.5 K a cooling capacity of 255 W without LN2 pre-cooling and a liquefaction rate of 110 liter/hour with LN2 pre-cooling. A safety factor of 1.5 is used to estimate the heat load from the superconducting cavity and the heat loss from the transfer lines. With the LN2 pre-cooling, this cooling system provides a cooling capacity of up to 450 W to cool down the additional superconducting Landau cavity. The capacity of the system can be tuned using a frequency driver installed at the compressor station. The pressure fluctuations of the dewar and of the suction line are kept to the same stability requirement that of the cavity cryostat to minimize the influence in cavity operation. A shutdown period for maintenance of more than 8000 hours for the cryogenic system is expected without interfering with the continuous operation of the superconducting cavity. |
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RPLAB @ s @ |
Serial |
426 |
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Author |
Puscasu, Irina; Boreman, Glenn D. |
Title |
Theoretical and experimental analysis of transmission and enchanced absorption of frequency selective surfaces in the infrared |
Type |
Conference Article |
Year |
2001 |
Publication |
Proc. SPIE |
Abbreviated Journal |
Proc. SPIE |
Volume |
4293 |
Issue |
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Pages |
185-190 |
Keywords |
optical antennas |
Abstract |
A comparative study between theory and experiment is presented for transmission through lossy frequency selective surfaces (FSSs) on silicon in the 2 – 15 micrometer range. Important parameters controlling the resonance shape and location are identified: dipole length, spacing, impedance, and dielectric surroundings. Their separate influence is exhibited. The primary resonance mechanism of FSSs is the resonance of the individual metallic patches. There is no discernable resonance arising from a feed-coupled configuration. The real part of the element's impedance controls the minimum value of transmission, while scarcely affecting its location. Varying the imaginary part shifts the location of resonance, while only slightly changing the minimum value of transmission. With such fine-tuning, it is possible to make a good fit between theory and experiment near the dipole resonance on any sample. A fixed choice of impedance can provide a reasonable fit to all samples fabricated under the same conditions. The dielectric surroundings change the resonance wavelength of the FSS compared to its value in air. The presence of FSS on the substrate increases the absorptivity/emissivity of the surface in a resonant way. Such enhancement is shown for dipole and cross arrays at several wavelengths. |
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RPLAB @ gujma @ |
Serial |
753 |
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Author |
Gol’tsman, G.; Okunev, O.; Chulkova, G.; Lipatov, A.; Dzardanov, A.; Smirnov, K.; Semenov, A.; Voronov, B.; Williams, C.; Sobolewski, R. |
Title |
Fabrication and properties of an ultrafast NbN hot-electron single-photon detector |
Type |
Journal Article |
Year |
2001 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
IEEE Trans. Appl. Supercond. |
Volume |
11 |
Issue |
1 |
Pages |
574-577 |
Keywords |
NbN SSPD, SNSPD |
Abstract |
A new type of ultra-high-speed single-photon counter for visible and near-infrared wavebands based on an ultrathin NbN hot-electron photodetector (HEP) has been developed. The detector consists of a very narrow superconducting stripe, biased close to its critical current. An incoming photon absorbed by the stripe produces a resistive hotspot and causes an increase in the film’s supercurrent density above the critical value, leading to temporary formation of a resistive barrier across the device and an easily measurable voltage pulse. Our NbN HEP is an ultrafast (estimated response time is 30 ps; registered time, due to apparatus limitations, is 150 ps), frequency unselective device with very large intrinsic gain and negligible dark counts. We have observed sequences of output pulses, interpreted as single-photon events for very weak laser beams with wavelengths ranging from 0.5 /spl mu/m to 2.1 /spl mu/m and the signal-to-noise ratio of about 30 dB. |
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1558-2515 |
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no |
Call Number |
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1547 |
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