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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 9 — Apr. 28, 2008
  • pp: 6274–6284

Early dental caries detection using a fibre-optic coupled polarization-resolved Raman spectroscopic system

Alex C.-T. Ko, Mark Hewko, Michael G. Sowa, Cecilia C.S. Dong, Blaine Cleghorn, and Lin-P’ing Choo-Smith  »View Author Affiliations


Optics Express, Vol. 16, Issue 9, pp. 6274-6284 (2008)
http://dx.doi.org/10.1364/OE.16.006274


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Abstract

A new fibre-optic coupled polarization-resolved Raman spectroscopic system was developed for simultaneous collection of orthogonally polarized Raman spectra in a single measurement. An application of detecting incipient dental caries based on changes observed in Raman polarization anisotropy was also demonstrated using the developed fibre-optic Raman spectroscopic system. The predicted reduction of polarization anisotropy in the Raman spectra of caries lesions was observed and the results were consistent with those reported previously with Raman microspectroscopy. The capability of simultaneous collection of parallel-and cross-polarized Raman spectra of tooth enamel in a single measurement and the improved laser excitation delivery through fibre-optics demonstrated in this new design illustrates its future clinical potential.

© 2008 Optical Society of America

OCIS Codes
(170.1850) Medical optics and biotechnology : Dentistry
(170.5660) Medical optics and biotechnology : Raman spectroscopy

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: March 7, 2008
Revised Manuscript: April 9, 2008
Manuscript Accepted: April 15, 2008
Published: April 21, 2008

Virtual Issues
Vol. 3, Iss. 5 Virtual Journal for Biomedical Optics

Citation
Alex C. Ko, Mark Hewko, Michael G. Sowa, Cecilia C. Dong, Blaine Cleghorn, and Lin-P'ing Choo-Smith, "Early dental caries detection using a fibre-optic coupled polarization-resolved Raman spectroscopic system," Opt. Express 16, 6274-6284 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-9-6274


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References

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