• DocumentCode
    1771530
  • Title

    Ultra-sensitive mid-infrared photoexpansion nanospectroscopy with background suppression

  • Author

    Feng Lu ; Mingzhou Jin ; Belkin, Mikhail A.

  • Author_Institution
    Dept. of Electr. & Comput. Eng., Univ. of Texas at Austin, Austin, TX, USA
  • fYear
    2014
  • fDate
    8-13 June 2014
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    The ultimate sensitivity of mid-infrared photoexpansion nanospectroscopy is limited by the background signal from photoexpansion of the sample substrate and the probe tip. Here we demonstrate suppression of this signal using a second mid-infrared laser.
  • Keywords
    infrared spectroscopy; background signal; background suppression; midinfrared laser; probe tip; sample substrate; ultrasensitive midinfrared photoexpansion nanospectroscopy; Absorption; Force; Laser mode locking; Measurement by laser beam; Quantum cascade lasers; Sensitivity; Substrates;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2014 Conference on
  • Conference_Location
    San Jose, CA
  • Type

    conf

  • Filename
    6989479