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Optics Letters

Optics Letters


  • Vol. 9, Iss. 5 — May. 1, 1984
  • pp: 165–167

Picosecond coherent anti-Stokes Raman spectroscopy of molecules in free jet expansions

H. Graener, A. Laubereau, and J. W. Nibler  »View Author Affiliations

Optics Letters, Vol. 9, Issue 5, pp. 165-167 (1984)

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By using time-resolved coherent Raman scattering, closely spaced vibrational resonances are simultaneously excited and subsequently monitored over long, nanosecond time intervals. Coherent superposition of molecular transitions leads to dramatic oscillations of the picosecond anti-Stokes scattering signals. Experimental data are presented for the ν1 mode of CH4 in supersonic expansions at low rotational temperatures (TROT ≥ 25). Our time-domain data are in good agreement with spectroscopic results. The corresponding frequency resolution of ≲3 × 10−3 cm−1 suggests that this method of Fourier-transform Raman spectroscopy may prove useful in high-resolution molecular spectroscopy.

© 1984 Optical Society of America

Original Manuscript: January 5, 1984
Manuscript Accepted: February 14, 1984
Published: May 1, 1984

H. Graener, J. W. Nibler, and A. Laubereau, "Picosecond coherent anti-Stokes Raman spectroscopy of molecules in free jet expansions," Opt. Lett. 9, 165-167 (1984)

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