• DocumentCode
    1770538
  • Title

    Rapid scanning cavity ring-down spectroscopy at the quantum noise limit

  • Author

    Long, D.A. ; Fleisher, A.J. ; Wojtewicz, S. ; Plusquellic, D.F. ; Hodges, J.T.

  • Author_Institution
    Mater. Meas. Lab., Nat. Inst. of Stand. & Technol., Gaithersburg, MD, USA
  • fYear
    2014
  • fDate
    8-13 June 2014
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We present an ultrasensitive cavity-enhanced technique for probing weak molecular absorptions. Recently, we have implemented heterodyne detection, which allowed for quantum-noise-limited detection and noise-equivalent absorption coefficients as low as 6×10-14 cm-1·Hz-1/2.
  • Keywords
    absorption coefficients; heterodyne detection; quantum noise; heterodyne detection; noise-equivalent absorption coefficients; quantum noise limit; quantum-noise-limited detection; rapid scanning cavity ring-down spectroscopy; ultrasensitive cavity-enhanced technique; weak molecular absorptions; Absorption; Cavity resonators; Noise; Optical mixing; Optical sensors; Sensitivity; Spectroscopy;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2014 Conference on
  • Conference_Location
    San Jose, CA
  • Type

    conf

  • Filename
    6988970