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Applied Spectroscopy

Applied Spectroscopy

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  • Vol. 38, Iss. 3 — May. 1, 1984
  • pp: 437–438

Effect of Acoustic Isolation Chamber on the Signal-to-Noise Ratio in Infrared Photoacoustic Spectroscopy

Parviz Mahmoodi, Richard W. Duerst, and Rudd A. Meiklejohn

Applied Spectroscopy, Vol. 38, Issue 3, pp. 437-438 (1984)


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Abstract

The Infrared Photoacoustic Spectroscopy (IR-PAS) technique is hampered in many instances in its applications by the low signal-to-noise (S/N) ratio, which is generally due to the environmental noise present around the equipment. One method of S/N ratio enhancement is to acoustically isolate the detector from outside noise. This can be accomplished by placing the detector in a chamber. This note will describe such a chamber and its effect on the S/N ratio.

Citation
Parviz Mahmoodi, Richard W. Duerst, and Rudd A. Meiklejohn, "Effect of Acoustic Isolation Chamber on the Signal-to-Noise Ratio in Infrared Photoacoustic Spectroscopy," Appl. Spectrosc. 38, 437-438 (1984)
http://www.opticsinfobase.org/as/abstract.cfm?URI=as-38-3-437


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