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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1989),
  • paper TUGG20

Coherent lime-resolved Fourier transform Raman spectroscopy

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Abstract

We present a model-independent Fourier transform technique for analyzing time domain data generated with ultrashort laser pulses. This technique, which eliminates many of the shortcomings of a purely time domain analysis of the data, allows us to extract directly the frequency spectrum associated with the nuclear part material excitation created when spectrally broad femtosecond laser pulses interact with a condensed phase medium. In particular, the current frequency domain analysis separates clearly many contributions which are overlapping in the time domain data, revealing details of the low-frequency intermolecular motions (<200 cm−1) not previously observed with other techniques.

© 1989 Optical Society of America

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