We report wavelength modulated TDLAS/QEPAS trace gas sensors with reduced size, efficiency, and cost for use in environmental sensor networks and medical exposure monitors. CO<sup>2</sup>measurements with a 2µm diode laser dissipate <1W.
© 2008 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
(300.6360) Spectroscopy : Spectroscopy, laser
S. G. So, D. Chang, O. Al'Rifai, G. Wysocki, A. A. Kosterev, and F. K. Tittel, "Development of Laser Based Spectroscopic Trace-Gas Sensors for Environmental Sensor Networks and Medical Exposure Monitors," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper JTuA94.
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