Quantum cascade lasers for sensing CO2 isotopic fingerprints

Matthew Escarra, Loan Le, Richard Cendejas, Igor Trofimov, Xiaojun Wang, Jen Yu Fan, Claire F. Gmachl

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


We demonstrate a quantum cascade laser for detecting 12CO2 and 13CO2 isotopes for use in fingerprinting CO2 emissions from sources such as power plants and carbon storage reservoirs. The lasers emit a single mode at 4.32 μm in continuous wave operation.

Original languageEnglish (US)
Title of host publicationCLEO
Subtitle of host publicationApplications and Technology, CLEO_AT 2011
StatePublished - 2011
EventCLEO: Applications and Technology, CLEO_AT 2011 - Baltimore, MD, United States
Duration: May 1 2011May 6 2011

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701


OtherCLEO: Applications and Technology, CLEO_AT 2011
Country/TerritoryUnited States
CityBaltimore, MD

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Atomic and Molecular Physics, and Optics


Dive into the research topics of 'Quantum cascade lasers for sensing CO2 isotopic fingerprints'. Together they form a unique fingerprint.

Cite this