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Author Semenov, A.; Goltsman, G.; Korneev, A.
Title Quantum detection by current carrying superconducting film Type Journal Article
Year 2001 Publication Phys. C: Supercond. Abbreviated Journal Phys. C: Supercond.
Volume 351 Issue 4 Pages 349-356
Keywords quantum detection, phase slip centers, quasiparticle diffusion
Abstract We describe a novel quantum detection mechanism in the superconducting film carrying supercurrent. The mechanism incorporates growing normal domain and breaking of superconductivity by the bias current. A single photon absorbed in the film creates transient normal spot that causes redistribution of the current and, consequently, increase of the current density in superconducting areas. When the current density exceeds the critical value, the film switches into resistive state and generates the voltage pulse. Analysis shows that a submicron-wide film of conventional low temperature superconductor operated in liquid helium may detect single far-infrared photon. The amplitude and duration of the voltage pulse are in the millivolt and picosecond range, respectively. The quantitative model is presented that allows simulation of the detector utilizing this detection mechanism.
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ISSN 0921-4534 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number Serial 507
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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. Abbreviated Journal
Volume Issue Pages 426-435
Keywords limb-sounder
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Notes Approved no
Call Number Serial 530
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Author Kasparek, W; Fernandez, A.; Hollmann, F; Wacker, R.
Title Measurements of ohmic losses of metallic reflectors at 140 GHz using a 3-mirror resonator technique Type Journal Article
Year 2001 Publication Int. J. Infrared and Millimeter Waves Abbreviated Journal
Volume 22 Issue 11 Pages 1695-1707
Keywords mirror, reflection index, emissivity, Fabry-Perot interferometer, subterahertz, subTHz
Abstract The reflectivity of metallic mirrors in the millimeter wave region does not only depend on the material, but also on the structure and roughness of the surface. We have performed measurements of the reflectivity of various plane and grooved metallic and graphite samples at 140 GHz. The technique is based on the comparison of the quality factor of a 2-mirror reference resonator with the quality factor of a 3-mirror resonator which has identical dimensions and includes the mirror to be tested. After a brief presentation of the theory, the set-up is described and the reflection loss for various aluminium and copper mirrors as well as vacuum compatible materials for applications in thermonuclear fusion experiments are presented and discussed.
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Notes Approved no
Call Number Serial 581
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Author Verevkin, A.; Williams, C.; Gol’tsman, G. N.; Sobolewski, R.; Gilbert, G.
Title Single-photon superconducting detectors for practical high-speed quantum cryptography Type Miscellaneous
Year 2001 Publication OFCC/ICQI Abbreviated Journal OFCC/ICQI
Volume Issue Pages Pa3
Keywords NbN SSPD, SNSPD, QKD, quantum cryptography
Abstract We have developed an ultrafast superconducting single-photon detector with negligible dark counting rate. The detector is based on an ultrathin, submicron-wide NbN meander-type stripe and can detect individual photons in the visible to near-infrared wavelength range at a rate of at least 10 Gb/s. The above counting rate allows us to implement the NbN device to unconditionally secret quantum key distRochester, New Yorkribution in a practical, high-speed system using real-time Vernam enciphering.
Address Rochester, New York
Corporate Author Thesis
Publisher Optical Society of America Place of Publication Editor
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ISSN ISBN Medium
Area Expedition Conference Optical Fiber Communication Conference and International Conference on Quantum Information
Notes -- from poster session. Approved no
Call Number Serial 1544
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Author Boreman, Glenn D.
Title A Users guide to IR detectors Type Conference Article
Year 2001 Publication Proc. SPIE Abbreviated Journal Proc. SPIE
Volume 4420 Issue Pages 79-90
Keywords optical antennas
Abstract This paper will guide the first-time user toward proper selection and use of IR detectors for applications in industrial inspection, process control, and laser measurements.
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Notes Approved no
Call Number RPLAB @ gujma @ Serial 735
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Author Codreanu, Iulian; Boreman, Glenn D.
Title Infrared microstrip dipole antennas Type Journal Article
Year 2001 Publication Microwave and Optical Technology Letters Abbreviated Journal Microw Opt Technol Lett
Volume 29 Issue 6 Pages 381-383
Keywords optical antennas
Abstract Abstract 10.1002/mop.1184.abs We report on the successful use of niobium microbolometers coupled to microstrip dipole antennas for the detection of midinfrared radiation. Measurements of the detector response versus antenna length performed at the 10.6 μm wavelength allowed us to identify the first three current-wave resonances along the antenna arms. The detector response was also measured as a function of the radiation wavelength in the 911 μm spectral domain. Excellent agreement between the experimental results and finite-difference time-domain (FDTD) predictions was obtained.
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Notes Approved no
Call Number RPLAB @ gujma @ Serial 738
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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 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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Notes Approved no
Call Number RPLAB @ gujma @ Serial 753
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Author
Title ГОСТ 2.102-68. ЕСКД. Виды и комплектность конструкторских документов Type Book Whole
Year 2001 Publication Abbreviated Journal
Volume Issue Pages
Keywords gost, detproj
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Notes Approved no
Call Number Serial 861
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Author
Title ГОСТ 19.301-2000. ЕСКД. Программа и методика испытаний. Требования к содержанию, оформлению и контролю качества Type Book Whole
Year 2001 Publication Abbreviated Journal
Volume Issue Pages
Keywords gost, detproj
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Area Expedition Conference
Notes Approved no
Call Number Serial 866
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Author
Title ГОСТ Р 15.201-2000. Продукция производственно-технического назначения. Порядок разработки и постановки продукции на производство Type Book Whole
Year 2001 Publication Abbreviated Journal
Volume Issue Pages
Keywords gost, detproj
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Area Expedition Conference
Notes Approved no
Call Number Serial 876
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