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  • 42.55.Em  (1)
  • 78.35  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Properties of laser-induced stimulated emission for diagnostic purposes (1990)
    Springer
    Applied physics 50 (1990), S. 487-497 
    Details
    ISSN: 1432-0649
    Keywords: 33.80.Wz ; 42.55.Em ; 82.40.Py
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We describe an experimental and semi-quantitative theoretical investigation of the characteristics of two-photon-induced stimulated emission related to diagnostic applications. The laser power dependence, pressure dependence, and the spectral shape of the stimulated emission signal in CO are discussed and compared with those for laser-induced fluorescence. We also discuss decreases in the laser-induced fluorescence signal caused by the stimulated emission process, and propose a method for providing increased spatial resolution in measurements made using stimulated emission detection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00408775
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Application of a pulsed laser for soot measurements in premixed flames (1989)
    Springer
    Applied physics 48 (1989), S. 155-164 
    Details
    ISSN: 1432-0649
    Keywords: 78.35 ; 82.40
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A pulsed Nd: YAG laser has been used to perform scattering/extinction measurements in flat, premixed methane/oxygen flames to determine soot particle sizes, number concentrations and soot volume fractions. A discussion is given on accuracies in these determinations with respect to experimental and theoretical parameters. Absorptions were measured through a referencing method which yielded a single-pulse relative standard deviation in the normalized signal of 0.7%. The incident laser fluence was kept below 0.1 J/cm2 in the focusing point in the flame to avoid soot vaporization effects. Interference in the measurements from polyaromatic hydrocarbons (PAH) is also discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00692141
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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