Sensitive detection of CO and N2O using a high power CW 4.61 μm DFB-QCL based QEPAS sensor

Yufei Ma*, Rafał Lewicki, Manijeh Razeghi, Xin Yu, Frank K. Tittel

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution


A high power CW DFB-QCL based CO and N2O QEPAS sensor demonstrating the MDL of 1.5 ppbv and 23 ppbv, respectively was developed. Continuous monitoring of atmospheric CO and N2O concentration levels were performed.

Original languageEnglish (US)
Title of host publicationCLEO
Subtitle of host publicationQELS_Fundamental Science, CLEO:QELS FS 2013
StatePublished - Nov 21 2013
EventCLEO: QELS_Fundamental Science, CLEO:QELS FS 2013 - San Jose, CA, United States
Duration: Jun 9 2013Jun 14 2013


OtherCLEO: QELS_Fundamental Science, CLEO:QELS FS 2013
Country/TerritoryUnited States
CitySan Jose, CA

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics


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