We describe the development of a quantum cascade laser-based absorption spectrometer for measurement of the major stable isotopes of CO2 in the natural atmosphere. We present demonstration measurements of 12CO2 and 13CO2 at 4.3 µm.
© 2004 Optical Society of America
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(300.0300) Spectroscopy : Spectroscopy
(300.6340) Spectroscopy : Spectroscopy, infrared
D. M. Sonnenfroh, M. Silva, and M. Allen, "A quantum cascade laser-based sensor for measurement of the stable isotopomers of carbon dioxide," in Laser Applications to Chemical and Environmental Analysis, Technical Digest (Optical Society of America, 2004), paper WA4.