The greenhouse gas molecules CH<sup>4</sup>, CO<sup>2</sup>, and H<sup>2</sup>O are detected by using a cavity ringdown laser spectrometer with rapidly swept optical cavity and multi-wavelength coherent radiation. This sensitive portable instrument is applicable to environmental monitoring.
© 2009 The Optical Society
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
Y. He, R. Kan, F. V. Englich, W. Liu, and B. J. Orr, "Multi-Wavelength Sensing of Greenhouse Gases by Rapidly Swept Continuous-Wave Cavity Ringdown Spectroscopy," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper CMDD3.
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