• DocumentCode
    2245013
  • Title

    Standoff chemical detection using quantum cascade lasers and photoacoustic sensing techniques

  • Author

    Chen, Xing ; Janssen, Douglas ; Kostov, Dan ; Choa, Fow-Sen

  • Author_Institution
    Dept of CSEE, Univ. of Maryland, Baltimore, MD, USA
  • fYear
    2011
  • fDate
    1-6 May 2011
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    Standoff chemical detection using quantum-cascade-lasers as pump sources and photoacoustic techniques for sensing is demonstrated for the first time. With <;40mW laser power, a chemical detection distance of more than one meter has been achieved.
  • Keywords
    gas sensors; optical pumping; photoacoustic effect; quantum cascade lasers; remote sensing by laser beam; photoacoustic sensing techniques; pump sources; quantum cascade lasers; remote sensing; standoff chemical detection; trace gas sensing; Chemical lasers; Chemicals; Microphones; Power lasers; Pump lasers; Quantum cascade lasers; Sensors;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2011 Conference on
  • Conference_Location
    Baltimore, MD
  • Print_ISBN
    978-1-4577-1223-4
  • Type

    conf

  • Filename
    5950813