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Diffractive optics based three-pulse photon echo peak shift studies of spectral diffusion in polar liquids: Evidence for long lived frequency correlations
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10.1063/1.3253971
/content/aip/journal/jcp/131/16/10.1063/1.3253971
http://aip.metastore.ingenta.com/content/aip/journal/jcp/131/16/10.1063/1.3253971

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the diffractive beam splitter based 3PEPS apparatus.

Image of FIG. 2.
FIG. 2.

Absorption spectra of IR125 dissolved in acetonitrile (black short-dashed line), methanol (red solid line), ethanol (orange dashed line), 1-propanol (green dotted line), and 1-butanol (blue dash-dotted line).

Image of FIG. 3.
FIG. 3.

3PEPS of IR125 in acetonitrile. Four different data sets are overlaid to demonstrate the reproducibility. Inset shows out to 50 ps.

Image of FIG. 4.
FIG. 4.

3PEPS of IR125 in acetonitrile (purple dotted line), methanol (red solid line), ethanol (black dashed line), 1-propanol (green short-dashed line), and 1-butanol (blue dash-dotted line) in (a) short time and (c) long time ranges. (b) Normalized 3PEPS data reconstructed from exponential decay components excluding oscillations.

Image of FIG. 5.
FIG. 5.

3PEPS of IR125 in methanol with excitation wavelengths of 785 nm (black solid line), 800 nm (red dashed line), and 814 nm (blue short-dashed line) in (a) short time and (c) long time ranges. (b) Normalized 3PEPS data reconstructed from exponential decay components excluding oscillations.

Tables

Generic image for table
Table I.

Three exponential decay rates, amplitudes, and asymptotic values from the nonlinear least square fitting of solvent-dependent 3PEPS of IR125.

Generic image for table
Table II.

Comparison of the solvation time constants of IR125 in methanol with the results from previous reports using different probes in methanol. 3PEPS was used except coumarin 153 (C153), in which time-dependent Stokes shift measurement was used.

Generic image for table
Table III.

Three exponential decay rates, amplitudes, and asymptotic values (in femtoseconds) from the nonlinear least squares fit of the wavelength-dependent 3PEPS of IR125 in methanol.

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/content/aip/journal/jcp/131/16/10.1063/1.3253971
2009-10-28
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Diffractive optics based three-pulse photon echo peak shift studies of spectral diffusion in polar liquids: Evidence for long lived frequency correlations
http://aip.metastore.ingenta.com/content/aip/journal/jcp/131/16/10.1063/1.3253971
10.1063/1.3253971
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