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Author Taylor, F.W.
Title (up) Atmospheric physics: Natural lasers on Venus and Mars Type Journal Article
Year 1983 Publication Nature Abbreviated Journal Nature
Volume 306 Issue 5944 Pages 640-640
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ISSN 0028-0836 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number Serial 457
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Author Seliverstov, S. V.; Rusova, A. A.; Kaurova, N. S.; Voronov, B. M.; Goltsman, G. N.
Title (up) Attojoule energy resolution of direct detector based on hot electron bolometer Type Conference Article
Year 2016 Publication J. Phys.: Conf. Ser. Abbreviated Journal J. Phys.: Conf. Ser.
Volume 741 Issue Pages 012165 (1 to 5)
Keywords NbN HEB detector
Abstract We characterize superconducting antenna-coupled NbN hot-electron bolometer (HEB) for direct detection of THz radiation operating at a temperature of 9.0 K. At signal frequency of 2.5 THz, the measured value of the optical noise equivalent power is 2.0×10-13 W-Hz-0.5. The estimated value of the energy resolution is about 1.5 aJ. This value was confirmed in the experiment with pulsed 1.55-μm laser employed as a radiation source. The directly measured detector energy resolution is 2 aJ. The obtained risetime of pulses from the detector is 130 ps. This value was determined by the properties of the RF line. These characteristics make our detector a device-of-choice for a number of practical applications associated with detection of short THz pulses.
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Publisher IOP Publishing Place of Publication Editor
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Notes Approved no
Call Number Seliverstov_2016 Serial 1337
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Author Goulielmakis, Eleftherios
Title (up) Attosecond photonics: Extreme ultraviolet catastrophes Type Journal Article
Year 2012 Publication Nature Photonics Abbreviated Journal Nat. Photon.
Volume 6 Issue 3 Pages 142-143
Keywords fromIPMRAS
Abstract Extreme ultraviolet attosecond pulses, which emerge from the interaction of atoms with intense laser fields, play a central role in modern ultrafast science and the exploration of electron behaviour. Recent work now shows that catastrophe theory can help optimize the properties of these pulses.
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Notes Approved no
Call Number RPLAB @ gujma @ Serial 791
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Author Gol'tsman, Gregory; Semenov, Alexei; Smirnov, Konstantin; Voronov, Boris
Title (up) 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 Issue Pages 469-475
Keywords Ti SQD, SQUID readout
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Notes Approved no
Call Number Serial 1540
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Author Semenov, Alexei; Hübers, Heinz-Wilhelm; Engel, Andreas; Gol'tsman, Gregory N.
Title (up) Background limited superconducting quantum detector for astronomy Type Abstract
Year 2002 Publication NASA/ADS Abbreviated Journal NASA/ADS
Volume Issue Pages
Keywords SQD
Abstract We present the concept of the superconducting quantum detector for astronomy. Response to a single absorbed photon appears due to successive formation of a normal spot and phase-slip-centers in a narrow strip carrying sub-critical supercurrent. The detector simultaneously has a moderate energy resolution and a variable cut-off wavelength depending on both the material used and operation conditions. We simulated performance of the background-limited direct detector having the 100- micrometer cut-off wavelength. Low dark count rate will allow to realize 10-21 W Hz-1/2 noise equivalent power at 4 K background radiation. The intrinsic recovery time of the counter is rather determined by diffusion of nonequilibrium electrons, thus, thermal fluctuations do not hamper energy resolution of the detector. Provided an appropriate readout technique, the resolution should be better than 1/20 at 50- micrometer wavelength. Planar layout and relatively simple technology favor integration of the detector into an array.
Address Monterey, CA
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Area Expedition Conference Far-IR, Sub-mm & MM Detector Technology Workshop, held 1-3 April 2002
Notes id.62 Approved no
Call Number Serial 1535
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