TITLE

Optical gas detection using metal film enhanced leaky mode spectroscopy

AUTHOR(S)
Osterfeld, M.; Franke, H.; Feger, C.
PUB. DATE
May 1993
SOURCE
Applied Physics Letters;5/10/1993, Vol. 62 Issue 19, p2310
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Performs optical gas detection using metal film enhanced leaky mode spectroscopy. Importance of optical sensors in aggressive environment application; Application of the Kretschmann geometry technique in combination with amorphous fluorocarbon film; Dependence of the response duration on size and polarity of vapor molecules.
ACCESSION #
4329678

 

Related Articles

  • High spectral resolution, photon counting detector for Doppler temperature measurements in magnetically confined plasmas. Benjamin, R. D.; Terry, J. L.; Moos, H. W. // Review of Scientific Instruments;Apr87, Vol. 58 Issue 4, p520 

    This paper describes the design, construction, and performance of a single-stage microchannelplate image intensifier used as a photon counting detector over the wavelength range from 1150 to ∼2000 Å. The intensifer incorporates three high strip current (∼ 300 µA) microchannel...

  • A high throughput spectrometer system for helium ash detection on JET. Hillis, D. L.; Fehling, D. T.; Bell, R. E.; Johnson, D. W.; Zastrow, K.-D.; Meigs, A.; Negus, C.; Giroud, C.; Stamp, M. // Review of Scientific Instruments;Oct2004 Part I & II, Vol. 75 Issue 10, p3449 

    Acquiring information about helium ash production and transport is fundamental for future burning plasma devices, such as International Thermonuclear Experimental Reactor, since the helium ash must be continuously removed from the plasma to prevent the dilution of the deuterium–tritium...

  • Photonic sensor devices for explosive detection. Willer, Ulrike; Schade, Wolfgang // Analytical & Bioanalytical Chemistry;Sep2009, Vol. 395 Issue 2, p275 

    For the sensitive online and in situ detection of gaseous species, optical methods are ideally suited. In contrast to chemical analysis, no sample preparation is necessary and therefore spectroscopic methods should be favorable both in respect of a fast signal recovery and economically because...

  • Visible spectroscopy surveys of the OHTE plasma (abstract). Jackson, G. L.; Register, D. F. // Review of Scientific Instruments;May85, Vol. 56 Issue 5, p869 

    A Jarrell-Ash 0.27-m triple grating spectrometer with a high-speed intensified diode array detector has been used to perform time-resolved surveys of the visible emission (2200-7000 Å) from the OHTE plasma. Using a 512 diode array, spectra are obtained every 516 µs during the shot. The...

  • Quantum Cascade Lasers: Review, Applications and Prospective Development. PECHARROMÁN-GALLEGO, R. // Lasers in Engineering (Old City Publishing);2013, Vol. 24 Issue 5/6, p277 

    A review on quantum cascade lasers (QCLs) is presented. An introductory overview is prefaced, including a brief description of their beginnings and operating basics. Material systems used, as well as growth methods are depicted. The possibility of developing GaN-based QCLs is also shown. The...

  • Mid-Infrared Gas Sensing Using a Photonic Bandgap Fiber as a Gas Cell. Gayraud, Nicolas; Kornaszewski, Lukasz; Stone, James M.; Knight, Jonathan C.; Reid, Derryck T.; MacPherson, William N.; Hand, Duncan P. // Spectroscopy;Jan2009, Vol. 24 Issue 1, p46 

    The article focuses on spectroscopy in gas-sensing technology which is becoming important for environmental studies, process control, and safety monitoring. It notes several potential advantages of using optical fibers in spectroscopy over conventional gas cell configurations. The use of optical...

  • Amplified Spontaneous Emission and Its Application for Population of Resonant States of the Xe and Kr Atoms. Alekseev, V. A. // Optics & Spectroscopy;Sep2002, Vol. 93 Issue 3, p334 

    To extend the capabilities of the existing spectroscopic methods of investigation and diagnostics of gaseous media, we consider a macroscopic effect of an increase in the rate of spontaneous emission, which results in the transition of a considerable part of excited molecules to lower-lying...

  • A Uniform Quasi-Classical Description of Radiative Transitions for Asymmetric Rare-Gas Atom—Atom Collisions. Devdariani, A. Z.; Zagrebin, A. L.; Rebentrost, F.; Tserkovnyi, S. I.; Tchesnokov, E. A. // Journal of Experimental & Theoretical Physics;Sep2002, Vol. 95 Issue 3, p413 

    The uniform quasi-classical approximation [14] is used to describe the optical spectra formed during asymmetric collisions between atoms of rare gases in which one of the atoms is in a metastable state. We consider the reactions He(2¹S) + Ne → He(1¹S) + Ne + hω andAr(³P[sub...

  • Spectroscopy of O[sub 3] trapped in rare gas matrices. I. Theoretical model for low-lying... Dahoo, P.R.; Lakhlifi, A.; Chabbi, H. // Journal of Chemical Physics;12/8/1999, Vol. 111 Issue 22, p10192 

    Part I. Examines the spectroscopy of oxygen trapped in rare gas matrices. use of methods in gas phase to calculate the vibrational energies and transition moments for low-lying levels of oxygen; Distortion of the trapping site to minimize the free energy of the molecule-matrix system.

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics