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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 21 — Nov. 1, 2006
  • pp: 3176–3178

Sensitive femtosecond coherent anti-Stokes Raman spectroscopy discrimination between dipicolinic acid and dinicotinic acid

Arthur Dogariu, Yu Huang, Yoav Avitzour, Robert K. Murawski, and Marlan O. Scully  »View Author Affiliations


Optics Letters, Vol. 31, Issue 21, pp. 3176-3178 (2006)
http://dx.doi.org/10.1364/OL.31.003176


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Abstract

We demonstrate that femtosecond ultraviolet and visible coherent anti-Stokes Raman spectroscopy provides the sensitivity and specificity needed to distinguish between two similar molecules of pyridinedicarboxylic acid. The Fourier transforms of the temporal measurements provide the energy difference between the ground state vibrational modes. Quantum chemical calculations provide theoretical predictions that agree well with the measurements. The present technique allows us to distinguish 10 cm 1 frequency shifts by using pulses ten times broader than the shifts.

© 2006 Optical Society of America

OCIS Codes
(300.6230) Spectroscopy : Spectroscopy, coherent anti-Stokes Raman scattering
(320.7150) Ultrafast optics : Ultrafast spectroscopy

ToC Category:
Spectroscopy

History
Original Manuscript: June 19, 2006
Revised Manuscript: August 15, 2006
Manuscript Accepted: August 16, 2006
Published: October 11, 2006

Citation
Arthur Dogariu, Yu Huang, Yoav Avitzour, Robert K. Murawski, and Marlan O. Scully, "Sensitive femtosecond coherent anti-Stokes Raman spectroscopy discrimination between dipicolinic acid and dinicotinic acid," Opt. Lett. 31, 3176-3178 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-21-3176

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