• DocumentCode
    3005520
  • Title

    Doubly Modulated Interferometry For Trace Gas Detection

  • Author

    Hughes, Steven M. ; Anderson, Dana Z.

  • Author_Institution
    Univ. of Colorado, Denver
  • fYear
    2007
  • fDate
    6-11 May 2007
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    A double modulation scheme enhances low-frequency trace-gas-induced path-length changes in a miniature (2 cm3) adaptive interferometer. Path-length sensitivity is 0.2 pm/radicHz while ethanol vapor sensitivity is 2 ppm/radicHz.
  • Keywords
    gas sensors; holographic interferometry; double modulation scheme; doubly modulated interferometry; low-frequency trace-gas-induced path-length changes; miniature adaptive interferometer; trace gas detection; Chemical transducers; Frequency; Holographic optical components; Holography; Optical filters; Optical interferometry; Optical modulation; Optical noise; Optical polymers; Phase modulation;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
  • Conference_Location
    Baltimore, MD
  • Print_ISBN
    978-1-55752-834-6
  • Type

    conf

  • DOI
    10.1109/CLEO.2007.4452627
  • Filename
    4452627
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=3005520