We present the first trace-gas measurements using a novel Cr:ZnSe-laser emitting in the 2.4-µm wavelength region. The detection limits are in the sub-ppmV to few ppmV range. Examples of measurements of ambient air are presented.
© 2004 Optical Society of America
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(280.1120) Remote sensing and sensors : Air pollution monitoring
(300.0300) Spectroscopy : Spectroscopy
(300.6340) Spectroscopy : Spectroscopy, infrared
C. Fischer, E. Sorokin, I. T. Sorokina, and M. W. Sigrist, "Photoacoustic gas spectroscopy using a tunable solid state laser emitting around 2.4 µm," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper CMN5.