Quartz-enhanced photoacoustic spectroscopy
Optics Letters, Vol. 27, Issue 21, pp. 1902-1904 (2002)
http://dx.doi.org/10.1364/OL.27.001902
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Abstract
A new approach to detecting a weak photoacoustic signal in a gas medium is described. Instead of a gas-filled resonant acoustic cavity, the sound energy is accumulated in a high- Q crystal element. Feasibility experiments utilizing a quartz-watch tuning fork demonstrate a sensitivity of 1.2×10-7 cm-1 W/√Hz . Potential further developments and applications of this technique are discussed.
© 2002 Optical Society of America
[Optical Society of America ]
OCIS Codes
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(280.3420) Remote sensing and sensors : Laser sensors
Citation
A. A. Kosterev, Yu.A. Bakhirkin, R. F. Curl, and F. K. Tittel, "Quartz-enhanced photoacoustic spectroscopy," Opt. Lett. 27, 1902-1904 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-21-1902
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