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Author Soifer, B. T.; Pipher, J. L.
Title Instrumentation for infrared astronomy Type Journal Article
Year 1978 Publication (up) Annual Rev. Astron. Astrophys. Abbreviated Journal
Volume 16 Issue 1 Pages 335-369
Keywords infrared applications
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ISSN 0066-4146 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number Serial 492
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Author Gershenson, M. E.; Gong, D.; Sato, T.; Karasik, B. S.; Sergeev, A. V.
Title Millisecond electron-phonon relaxation in ultrathin disordered metal films at millikelvin temperatures Type Journal Article
Year 2001 Publication (up) Appl. Phys. Lett. Abbreviated Journal
Volume 79 Issue Pages 2049-2051
Keywords HEB detector, FIR, far infrared
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Notes Approved no
Call Number RPLAB @ s @ heb_eph_interaction_Gershenzon Serial 315
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Author Thiébeau, C.; Courtois, D.; Delahaigue, A.; Corre, H.; Mouanda, J. C.; Fayt, A.
Title Dual-beam laser heterodyne spectrometer: Ethylene absorption spectrum in the 10 μm range Type Journal Article
Year 1988 Publication (up) Applied Physics B: Photophysics and Laser Chemistry Abbreviated Journal Appl. Phys. B
Volume 47 Issue 4 Pages 313-318
Keywords infrared applications
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ISSN 0721-7269 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number Serial 493
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Author Käufl, H. U.; Rothermal, H.; Drapatz, S.
Title Investigation of the Martian atmosphere by 10 micron heterodyne spectroscopy Type Journal Article
Year 1984 Publication (up) Astron. Astrophys. Abbreviated Journal A&A
Volume 136 Issue Pages 319-325
Keywords astronomical spectroscopy, atmospheric composition, infrared astronomy, mars atmosphere, spectral line width, carbon dioxide concentration, nonequilibrium thermodynamics, optical heterodyning, planetary radiation, mars, atmosphere, spectroscopy, atmosphere, carbon dioxide, altitude, kinetics, rotation, thermal properties, temperature, emissions, intensity, models, data, spectra
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Call Number Serial 449
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Author Rothermel, H.; Käufl, H. U.; Schrey, U.; Drapatz, S.
Title Thermal structure of the Martian mesosphere Type Journal Article
Year 1988 Publication (up) Astron. Astrophys. Abbreviated Journal A&A
Volume 196 Issue Pages 296-300
Keywords atmospheric temperature, carbon dioxide, infrared spectroscopy, mars atmosphere, mesosphere, emission spectra, line spectra, spatial resolution, mars, atmosphere, mesosphere, structure, thermal properties, spectra, spectroscopy, earth-based observations, temperature, patterns, infrared, polar regions, wavelengths, equipment, procedure, carbon dioxide, emissions
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Notes Approved no
Call Number Rothermel1988 Serial 450
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Author Johnson, M. A.; Betz, A. L.; McLaren, R. A.; Townes, C. H.; Sutton, E. C.
Title Nonthermal 10 micron CO2 emission lines in the atmospheres of Mars and Venus Type Journal Article
Year 1976 Publication (up) Astron. Astrophys. Abbreviated Journal A&A
Volume 208 Issue Pages 145
Keywords carbon dioxide, emission spectra, infrared spectra, mars atmosphere, nonthermal radiation, optical heterodyning, planetary radiation, venus atmosphere, absorption spectra, energy transfer, line spectra, molecular absorption, molecular collisions, near infrared radiation, solar flux
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Notes Approved no
Call Number ref1976ApJ...208L.145J Serial 451
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Author Rothermel, H.; Käufl, H. U.; Yu, Y.
Title A heterodyne spectrometer for astronomical measurements at 10 micrometers Type Journal Article
Year 1983 Publication (up) Astron. Astrophys. Abbreviated Journal A&A
Volume 126 Issue Pages 387-392
Keywords astronomical spectroscopy, infrared astronomy, infrared spectrometers, optical heterodyning, infrared telescopes, laser spectrometers, mars (planet), venus (planet)
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Notes Approved no
Call Number Serial 453
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Author Betz, A. L.; Johnson, M. A.; McLaren, R. A.; Sutton, E. C.
Title Heterodyne detection of CO2 emission lines and wind velocities in the atmosphere of Venus Type Journal Article
Year 1976 Publication (up) Astrophys. J. Abbreviated Journal
Volume 208 Issue Pages L141-L144
Keywords carbon dioxide, emission spectra, optical heterodyning, planetary radiation, venus atmosphere, wind velocity, doppler effect, infrared radiation, ultraviolet radiation, venus clouds
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Notes Approved no
Call Number Serial 455
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Author Pyatkov, F.; Khasminskaya, S.; Kovalyuk, V.; Hennrich, F.; Kappes, M. M.; Goltsman, G. N.; Pernice, W. H. P.; Krupke, R.
Title Sub-nanosecond light-pulse generation with waveguide-coupled carbon nanotube transducers Type Journal Article
Year 2017 Publication (up) Beilstein J. Nanotechnol. Abbreviated Journal Beilstein J. Nanotechnol.
Volume 8 Issue Pages 38-44
Keywords carbon nanotubes; CNT; infrared; integrated optics devices; nanomaterials
Abstract Carbon nanotubes (CNTs) have recently been integrated into optical waveguides and operated as electrically-driven light emitters under constant electrical bias. Such devices are of interest for the conversion of fast electrical signals into optical ones within a nanophotonic circuit. Here, we demonstrate that waveguide-integrated single-walled CNTs are promising high-speed transducers for light-pulse generation in the gigahertz range. Using a scalable fabrication approach we realize hybrid CNT-based nanophotonic devices, which generate optical pulse trains in the range from 200 kHz to 2 GHz with decay times below 80 ps. Our results illustrate the potential of CNTs for hybrid optoelectronic systems and nanoscale on-chip light sources.
Address Department of Materials and Earth Sciences, Technische Universitat Darmstadt, Darmstadt 64287, Germany
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ISSN 2190-4286 ISBN Medium
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Notes PMID:28144563; PMCID:PMC5238692 Approved no
Call Number RPLAB @ kovalyuk @ Serial 1109
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Author Beck, M.; Klammer, M.; Rousseau, I.; Gol’tsman, G. N.; Diamant, I.; Dagan, Y.; Demsar, J.
Title Probing superconducting gap dynamics with THz pulses Type Conference Article
Year 2015 Publication (up) CLEO Abbreviated Journal CLEO
Volume Issue Pages SM3H.3 (1 to 2)
Keywords superconducting gap; electric fields; femtosecond pulses; near infrared radiation; picosecond pulses; superconductors; thin films
Abstract We studied superconducting gap dynamics in a BCS superconductor NbN and electron doped cuprate superconductor PCCO following excitation with near-infrared (NIR) and narrow band THz pulses. Systematic studies on PCCO imply very selective electron-phonon coupling.
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Publisher Optical Society of America Place of Publication Editor
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Call Number Serial 1345
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Author Verevkin, A.; Slysz, W.; Pearlman, A.; Zhang, J.; Sobolewski, R.; Okunev, O.; Korneev, A.; Kouminov, P.; Smirnov, K.; Chulkova, G.; Gol’tsman, G. N.; Currie, M.
Title Real-time GHz-rate counting of infrared photons using nanostructured NbN superconducting detectors Type Conference Article
Year 2003 Publication (up) CLEO/QELS Abbreviated Journal CLEO/QELS
Volume Issue Pages CThM8
Keywords NbN SSPD; SNSPD; Infrared; Quantum detectors; Detectors; Photon counting; Quantum communications; Quantum cryptography; Single photon detectors; Superconductors
Abstract We demonstrate that our ultrathin, nanometer-width NbN superconducting single-photon detectors are capable of above 1-GHz-frequency, real-time counting of near-infrared photons. The measured system jitter of the detector is below 15 ps.
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Publisher Optical Society of America Place of Publication Editor
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Area Expedition Conference Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference
Notes Approved no
Call Number Serial 1517
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Author Marsili, F.; Bitauld, D.; Divochiy, A.; Gaggero, A.; Leoni, R.; Mattioli, F.; Korneev, A.; Seleznev, V.; Kaurova, N.; Minaeva, O.; Gol’tsman, G.; Lagoudakis, K.G.; Benkahoul, M.; Lévy, F.; Fiore, A.
Title Superconducting nanowire photon number resolving detector at telecom wavelength Type Conference Article
Year 2008 Publication (up) CLEO/QELS Abbreviated Journal CLEO/QELS
Volume Issue Pages Qmj1 (1 to 2)
Keywords PNR SSPD; SNSPD; Detectors; Infrared; Low light level; Diode lasers; Photons; Scanning electron microscopy; Superconductors; Ti:sapphire lasers
Abstract We demonstrate a photon-number-resolving (PNR) detector, based on parallel superconducting nanowires, capable of resolving up to 5 photons in the telecommunication wavelength range, with sensitivity and speed far exceeding existing approaches.
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Publisher Optical Society of America Place of Publication Editor
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ISSN ISBN 978-1-55752-859-9 Medium
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Notes Approved no
Call Number Marsili:08 Serial 1243
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Author Zhang, J.; Pearlman, A.; Slysz, W.; Verevkin, A.; Sobolewski, R.; Okunev, O.; Korneev, A.; Kouminov, P.; Smirnov, K.; Chulkova, G.; Gol’tsman, G. N.; Lo, W.; Wilsher, K.
Title Infrared picosecond superconducting single-photon detectors for CMOS circuit testing Type Conference Article
Year 2003 Publication (up) CLEO/QELS Abbreviated Journal CLEO/QELS
Volume Issue Pages Cmv4
Keywords NbN SSPD; SNSPD; Infrared; Quantum detectors; Electron beam lithography; Infrared detectors; Infrared radiation; Quantum efficiency; Single photon detectors; Superconductors
Abstract Novel, NbN superconducting single-photon detectors have been developed for ultrafast, high quantum efficiency detection of single quanta of infrared radiation. Our devices have been successfully implemented in a commercial VLSI CMOS circuit testing system.
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Publisher Optical Society of America Place of Publication Editor
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Series Editor Series Title Abbreviated Series Title
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ISSN ISBN Medium
Area Expedition Conference Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference
Notes Approved no
Call Number Serial 1518
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Author Parrott, Edward P. J.; Zeitler, J. Axel; Fris<cc><152>c<cc><152>ic<cc><81>, Tomislav; Pepper, Michael; Jones, William; Day, Graeme M.; Gladden, Lynn F.
Title Testing the sensitivity of terahertz spectroscopy to changes in molecular and supramolecular structure: a study of structurally similar cocrystals Type Journal Article
Year 2009 Publication (up) Crystal Growth & Design Abbreviated Journal Crystal Growth & Design
Volume 9 Issue 3 Pages 1452-1460
Keywords supramolecular recognition, infrared, terahertz, IR, THz, TDS
Abstract Terahertz time-domain-spectroscopy (THz-TDS) has emerged as a versatile spectroscopic technique, and an alternative to powder X-ray diffraction in the characterization of molecular crystals. We tested the ability of terahertz spectroscopy to distinguish between chiral and racemic hydrogen-bonded cocrystals that are similar in molecular and supramolecular structure. Terahertz spectroscopy readily distinguished between the isostructural cocrystals of theophylline with chiral and racemic forms of malic acid which are almost identical in molecular structure and supramolecular architecture. Similarly, the cocrystals of theophylline with chiral and racemic forms of tartaric acid, which are similar at the molecular level but dissimilar in crystal packing, were distinguished unequivocally. The investigation of the same cocrystals using X-ray powder diffraction and Raman spectroscopy suggested that THz-TDS is comparable in sensitivity to diffraction methods and more sensitive than Raman spectroscopy to changes in cocrystal architecture. The differences in spectra acquired by THz-TDS could be further enhanced by cooling the samples to 109 K.
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ISSN 1528-7483 ISBN Medium
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Notes Approved no
Call Number Serial 567
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Author Krasnopolsky, Vladimir A.; Maillard, Jean Pierre; C. Owen, Tobias
Title Detection of methane in the martian atmosphere: evidence for life? Type Journal Article
Year 2004 Publication (up) Icarus Abbreviated Journal Icarus
Volume 172 Issue 2 Pages 537-547
Keywords FTS, Mars atmosphere, methane absorption lines, IR spectroscopy, infrared spectroscopy, landfill gas
Abstract Using the Fourier Transform Spectrometer at the Canada–France–Hawaii Telescope, we observed a spectrum of Mars at the P-branch of the strongest CH4 band at 3.3 μm with resolving power of 180,000 for the apodized spectrum. Summing up the spectral intervals at the expected positions of the 15 strongest Doppler-shifted martian lines, we detected the absorption by martian methane at a 3.7 sigma level which is exactly centered in the summed spectrum. The observed CH4 mixing ratio is 10±3 ppb. Total photochemical loss of CH4 in the martian atmosphere is equal to View the MathML source, the CH4 lifetime is 340 years and methane should be uniformly mixed in the atmosphere. Heterogeneous loss of atmospheric methane is probably negligible, while the sink of CH4 during its diffusion through the regolith may be significant. There are no processes of CH4 formation in the atmosphere, so the photochemical loss must therefore be balanced by abiogenic and biogenic sources. Outgassing from Mars is weak, the latest volcanism is at least 10 million years old, and thermal emission imaging from the Mars Odyssey orbiter does not reveal any hot spots on Mars. Hydrothermal systems can hardly be warmer than the room temperature at which production of methane is very low in terrestrial waters. Therefore a significant production of hydrothermal and magmatic methane is not very likely on Mars. The calculated average production of CH4 by cometary impacts is 2% of the methane loss. Production of methane by meteorites and interplanetary dust does not exceed 4% of the methane loss. Methane cannot originate from an extinct biosphere, as in the case of “natural gas” on Earth, given the exceedingly low limits on organic matter set by the Viking landers and the dry recent history which has been extremely hostile to the macroscopic life needed to generate the gas. Therefore, methanogenesis by living subterranean organisms is a plausible explanation for this discovery. Our estimates of the biomass and its production using the measured CH4 abundance show that the martian biota may be extremely scarce and Mars may be generally sterile except for some oases.
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Notes Approved no
Call Number Serial 879
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