• DocumentCode
    2784133
  • Title

    Beam characteristics of mid-IR quantum cascade lasers

  • Author

    Krishnaswami, Kannan ; Bernacki, Bruce ; Cannon, Bret ; Phillips, Mark ; Hô, Nicolas ; Allen, Paul ; Anheier, Norman

  • Author_Institution
    Pacific Northwest National Laboratory, 902 Battelle Boulevard, Richland, WA 99352 USA
  • fYear
    2007
  • fDate
    6-11 May 2007
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We report divergence, astigmatism and M2 measurements for 8.77gm quantum cascade lasers. Measurements showed divergence of 62° by 32° FWHM f 2° and M2 values of 1.81 and 1.22 for the fast and slow axes respectively. Astigmatism at source was ~4gm, less than half a wave.
  • Keywords
    Apertures; Detectors; Dielectric substrates; Diffraction; Indium phosphide; Laser beams; Lenses; Optical propagation; Quantum cascade lasers; Vision defects;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Quantum Electronics and Laser Science Conference, 2007. QELS '07
  • Conference_Location
    Baltimore, MD, USA
  • Print_ISBN
    978-1-55752-834-6
  • Type

    conf

  • DOI
    10.1109/QELS.2007.4431123
  • Filename
    4431123