Amplification and saturation in a CO2 waveguide amplifier View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

1985-09

AUTHORS

N. Ioli, V. Panchenko, M. Pellegrino, F. Strumia

ABSTRACT

An ir CO2, dc current pumped, optical waveguide (WG) amplifier has been built, and its active medium optical parameters measured for several CO2 emission lines, and their dependence from active medium total pressure, discharge current and temperature was investigated. High gain is found which, coupled with relatively high saturation power in the WG fundamental mode and ease of fabrication with this technology in long (up to 1.5 m) lengths, indicates promising use to efficiently amplify high spectral and spatial purity output of a short, highly tunable WG laser up to power levels suited for nonlinear spectroscopy and optical pumping. The dependence of the small signal gain coefficient and of the saturation parameter for individual rotational lines on the radiation intensity was computed using experimentally known parameters of the discharge plasma. The computation was carried out using the two mode rate equation approach for CO2−N2−He gas mixtures. A satisfactory agreement between theoretical and experimental results was obtained. More... »

PAGES

23-30

References to SciGraph publications

  • 1980-01. Theory of the kinetic cooling of a CO2-N2 mixture with a high CO2 content in JOURNAL OF APPLIED MECHANICS AND TECHNICAL PHYSICS
  • 1978-06. Line selection in a waveguide, high pressure CO2 laser in LETTERE AL NUOVO CIMENTO (1971-1985)
  • 1980-06. A CW C02 wave guide laser for the optical pumping of far-infra-red molecular lasers in LETTERE AL NUOVO CIMENTO (1971-1985)
  • 1972-11. Kinetic equations for vibrational relaxation in a mixture of polyatomic gases in JOURNAL OF APPLIED MECHANICS AND TECHNICAL PHYSICS
  • Journal

    TITLE

    Applied Physics B

    ISSUE

    1

    VOLUME

    38

    Author Affiliations

    Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/bf00691766

    DOI

    http://dx.doi.org/10.1007/bf00691766

    DIMENSIONS

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