• DocumentCode
    421882
  • Title

    Influence of number density and transition cross-section on rapid passage effects in pulsed quantum-cascade laser based spectrometers

  • Author

    McCulloch, M.T. ; Duxbury, G. ; Langford, N.

  • Author_Institution
    Dept. of Phys., Strathclyde Univ., Glasgow, UK
  • Volume
    1
  • fYear
    2004
  • fDate
    16-21 May 2004
  • Abstract
    We show how rapid passage effects in molecular gases are influenced by the number density, transition cross-section and reorientation lifetime. Data will be presented that compares rapid passage in ammonia and isotopologues of methyl chloride.
  • Keywords
    gas sensors; high-speed optical techniques; measurement by laser beam; optical self-focusing; quantum cascade lasers; spectrometers; ammonia; chirped pulse; isotopologues; methyl chloride; molecular gases; number density; pulsed laser; quantum-cascade laser; rapid passage effects; reorientation lifetime; self-focusing; spectrometers; transition cross-section;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics, 2004. (CLEO). Conference on
  • Conference_Location
    San Francisco, CA
  • Print_ISBN
    1-55752-777-6
  • Type

    conf

  • Filename
    1361334