A continuously tunable Cr2+:ZnSe laser is applied for photoacoustic gas detection in the wavelength range of 2.0-3.1 µm. Trace-gas measurements in the 2.6-3.1 µm range with ppb sensitivity are reported for the first time.
© 2005 Optical Society of America
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(300.0300) Spectroscopy : Spectroscopy
(300.6360) Spectroscopy : Spectroscopy, laser
E. Sorokin, I. T. Sorokina, C. Fischer, and M. W. Sigrist, "Widely Tunable Cr2+:ZnSe Laser Source for Trace-Gas Sensing," in Advanced Solid-State Photonics, Technical Digest (Optical Society of America, 2005), paper MD4.
References are not available for this paper.