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We report the first optoacoustic Raman gain spectroscopy (OARS) of liquids, using two synchronized pulsed dye lasers, and gated optoacoustic detection of the energy deposited in the liquid due to the ...

Polarization-sensitive coherent anti-Stokes Raman spectroscopy

Appl. Phys. Lett. 34, 758 (1979); doi:10.1063/1.90663

Issue Date: 1 June 1979

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Jean-Louis Oudar, Robert W. Smith, and Y. R. Shen
Department of Physics, University of California, Berkeley, California 94720
Materials and Molecular Research Division, Lawrence Berkeley Laboratory, Berkeley, California 94720
We show that by using polarization coherent anti-Stokes Raman spectroscopy, the detection sensitivity of weak Raman modes is greatly enhanced. The spectra of the real part, the imaginary part, and the absolute magnitude of the resonant nonlinear susceptibility can be separately measured. Raman modes with cross sections as low as 2×10−4 times that of the 992-cm−1 mode of benzene are detectable with less than 10-kW-peak-power lasers. Applied Physics Letters is copyrighted by The American Institute of Physics.
Permalink: http://link.aip.org/link/?APPLAB/34/758/1
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KEYWORDS and PACS

Keywords
PACS
  • 42.65.Cq
    Optics Nonlinear optics Stimulated Raman, Brillouin, and Rayleigh scattering; parametric oscillations and harmonic generation
  • YEAR: 1979

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
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REFERENCES (10)
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  1. M. D. Levenson, Phys. Today (May 1977), and references herein.
  2. J. P. Taran, in Laser Spectroscopy III, edited by J. L. Hall and J. L. Carlsten (Springer-Verlag, Berlin, 1977), p. 315.
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  10. S. A. J. Druet, B. Attal, T. K. Gustafson, and J. P. Taran, Phys. Rev. A 18, 1529 (1978).

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