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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 24 — Aug. 20, 2011
  • pp: 4733–4736

Fast identification of substance by measuring two Raman peaks with dual strip silicon photomultipliers and gated photon counting technique

Guoqing Zhang, Xiaobo Hu, Yue Cheng, Chunling Zhang, Lina Liu, Ru Yang, Kun Liang, and Dejun Han  »View Author Affiliations


Applied Optics, Vol. 50, Issue 24, pp. 4733-4736 (2011)
http://dx.doi.org/10.1364/AO.50.004733


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Abstract

In this report, we use carbon tetrachloride as an example to demonstrate that substance can be quickly identified through the measurement of the two Raman peaks simply by an integrated module of dual strip silicon photomultipliers operating at room temperature in conjunction with a gated photon counting technique. Both the peak positions and the relative intensity ratio of the two Raman peaks are used to identify the substance with a reduced false acceptance rate. A complete Raman spectrum of the substance can also be measured by using this method combined with a scanning monochromator.

© 2011 Optical Society of America

OCIS Codes
(040.1880) Detectors : Detection
(300.6450) Spectroscopy : Spectroscopy, Raman
(040.1345) Detectors : Avalanche photodiodes (APDs)

ToC Category:
Detectors

History
Original Manuscript: February 28, 2011
Revised Manuscript: May 31, 2011
Manuscript Accepted: June 7, 2011
Published: August 11, 2011

Citation
Guoqing Zhang, Xiaobo Hu, Yue Cheng, Chunling Zhang, Lina Liu, Ru Yang, Kun Liang, and Dejun Han, "Fast identification of substance by measuring two Raman peaks with dual strip silicon photomultipliers and gated photon counting technique," Appl. Opt. 50, 4733-4736 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-24-4733


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References

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