• DocumentCode
    819762
  • Title

    Laser wavelength measurement with fibre lambda meter

  • Author

    Garcìa-Márquez, J. ; Surrel, Y. ; Millerioux, Y.

  • Author_Institution
    Centro de Investigaciones en Opt., Leon, Mexico
  • Volume
    39
  • Issue
    21
  • fYear
    2003
  • Firstpage
    1509
  • Lastpage
    1511
  • Abstract
    A new method for evaluating the ratio between a reference and an unknown wavelength is reported. A Young´s interferometer with no moving parts is used. Light emerging successively from a known wavelength and an unknown wavelength is launched into an optical fibre; a resulting interference pattern is projected onto the sensor of a CCD camera. Data from more than 300 000 sensors are processed by spatial phase-stepping techniques. Finally the whole set of points is fitted to obtain the measured estimation.
  • Keywords
    CCD image sensors; laser variables measurement; light interferometers; CCD camera; Young´s interferometer; fibre lambda meter; interference pattern; laser wavelength measurement; measured estimation; optical fibre; spatial phase-stepping techniques;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:20030983
  • Filename
    1242799