Quantum cascade lasers for sensing CO2 isotopic fingerprints

Matthew Escarra, Loan Le, Richard Cendejas, Igor Trofimov, Xiaojun Wang, Jen Yu Fan, Claire 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 publicationQuantum Electronics and Laser Science Conference, QELS 2011
PublisherOptical Society of America (OSA)
ISBN (Print)9781557529107
StatePublished - Jan 1 2011
EventQuantum Electronics and Laser Science Conference, QELS 2011 - Baltimore, MD, United States
Duration: May 1 2011May 6 2011

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701


OtherQuantum Electronics and Laser Science Conference, QELS 2011
Country/TerritoryUnited States
CityBaltimore, MD

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Atomic and Molecular Physics, and Optics


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