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Complete characterization of molecular vibration using frequency resolved gating
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10.1063/1.2712839
/content/aip/journal/jcp/126/9/10.1063/1.2712839
http://aip.metastore.ingenta.com/content/aip/journal/jcp/126/9/10.1063/1.2712839
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Numerical simulation of the frequency resolved CARS spectrogram for toluene (log scale). -step spectral phase shaping has been applied to a Gaussian probe pulse with the spectral bandwidth of (FWHM), resulting in sharp interference fringes which serve as “frequency markers” for the XFROG retrieval algorithm (see text). [(b) and (c)] XFROG retrieval of the square of the amplitude (thin black) and the phase (thick blue) of the vibrational response in frequency and time domains, respectively.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Experimental frequency resolved CARS spectrogram for toluene sample with the spectrally shaped probe pulse ( step at , log scale). [(b) and (c)] XFROG retrieval of the square of the amplitude (thin black) and the phase (thick blue) of the vibrational response in frequency and time domains, respectively. Dashed red line in (b) represents the reference spectrum of spontaneous Raman scattering from the same sample.

Image of FIG. 3.
FIG. 3.

(Color online) (a) XFROG CARS signals for pure toluene (middle blue) and the mixture of toluene with ortho-xylene (lower red). The top black curve corresponds to the toluene signal reconstructed from the response of the mixture. (b) XFROG retrieval of the complex Raman spectrum of the mixture. Both amplitude (thin black) and phase (thick blue) of the three resonances of ortho-xylene (shaded rectangles) were masked for the complete recovery of the response of toluene. (c) Close comparison of the directly (thin blue) and indirectly (thick black) retrieved vibrational amplitudes of toluene from the pure sample and mixture, respectively. Mixture response is shown by the dashed red curve for reference.

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/content/aip/journal/jcp/126/9/10.1063/1.2712839
2007-03-02
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Complete characterization of molecular vibration using frequency resolved gating
http://aip.metastore.ingenta.com/content/aip/journal/jcp/126/9/10.1063/1.2712839
10.1063/1.2712839
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