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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 14 — Jul. 15, 2014
  • pp: 4124–4127

Time-resolved coherent Raman spectroscopy by high-speed pump-probe delay scanning

S. R. Domingue, D. G. Winters, and R. A. Bartels  »View Author Affiliations


Optics Letters, Vol. 39, Issue 14, pp. 4124-4127 (2014)
http://dx.doi.org/10.1364/OL.39.004124


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Abstract

Using a spinning window pump-probe delay scanner, we demonstrate a means of acquiring time-resolved vibrational spectra at rates up to 700 Hz. The time-dependent phase shift accumulated by the probe pulse in the presence of a coherently vibrating sample gives rise to a Raman-induced frequency shifting readily detectable in a balanced detector. This rapid delay scanning system represents a 23-fold increase in averaging speed and is >10× faster than state-of-the-art voice coil delay lines. These advancements make pump-probe spectroscopy a more practical means of imaging complex media.

© 2014 Optical Society of America

OCIS Codes
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(300.6450) Spectroscopy : Spectroscopy, Raman
(300.6500) Spectroscopy : Spectroscopy, time-resolved
(320.7150) Ultrafast optics : Ultrafast spectroscopy
(180.5655) Microscopy : Raman microscopy

ToC Category:
Spectroscopy

History
Original Manuscript: April 25, 2014
Revised Manuscript: June 4, 2014
Manuscript Accepted: June 5, 2014
Published: July 7, 2014

Virtual Issues
Vol. 9, Iss. 9 Virtual Journal for Biomedical Optics

Citation
S. R. Domingue, D. G. Winters, and R. A. Bartels, "Time-resolved coherent Raman spectroscopy by high-speed pump-probe delay scanning," Opt. Lett. 39, 4124-4127 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-14-4124

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