• DocumentCode
    913106
  • Title

    High-resolution laser homodyne interferometer

  • Author

    Midgley, J.A. ; Sander, K.F.

  • Author_Institution
    University of Cambridge, Engineering Department, Cambridge, UK
  • Volume
    7
  • Issue
    5
  • fYear
    1971
  • Firstpage
    117
  • Lastpage
    118
  • Abstract
    A simple Michelson interferometer, illuminated by an amplitude stabilised He-Ne laser, has been used to monitor extremely small optical-path-length variations. The instrument is capable of determining a change of 1 Å (2×10¿3 rad), with a time resolution of approximately 3 ¿s.
  • Keywords
    distance measurement; gas lasers; laser beam applications; length measurement; light interferometers; optoelectronic devices; He-Ne laser; Michelson interferometer; distance measurement; homodyne technique; laser beams applications; optical path length monitoring;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19710077
  • Filename
    4235185