article
Quartz-enhanced photoacoustic spectroscopy
Optics Letters · 2002 · Vol. 27(21) · pp. 1902–1902
A.A. Kosterev✉(Rice University)Yu. A. Bakhirkin✉(Rice University)R. F. Curl✉(Rice University)Frank K. Tittel✉(Rice University)
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 1.2x10(-7) cm(-1) W/ radicalHz . Potential further developments and applications of this technique are discussed.
Spectroscopy and Laser ApplicationsAtmospheric Ozone and ClimateAtmospheric and Environmental Gas DynamicsPhotoacoustic spectroscopyQuartzOpticsMaterials scienceTuning forkSpectroscopyPhotoacoustic imaging in biomedicineCrystal (programming language)Photoacoustic effectSensitivity (control systems)
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764
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References
Application of acoustic resonators in photoacoustic trace gas analysis and metrology
Review of Scientific Instruments · 2001 · 697 citations
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