2012
DOI: 10.1063/1.3697474
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Two-dimensional laser induced fluorescence spectroscopy of van der Waals complexes: Fluorobenzene-Arn (n = 1,2)

Abstract: The technique of two-dimensional laser induced fluorescence (2D-LIF) spectroscopy has been used to observe the van der Waals complexes fluorobenzene-Ar and fluorobenzene-Ar2 in the region of their S1-S0 electronic origins. The 2D-LIF spectral images reveal a number of features assigned to the van der Waals vibrations in S0 and S1. An advantage of 2D-LIF spectroscopy is that the LIF spectrum associated with a particular species may be extracted from an image. This is illustrated for fluorobenzene-Ar. The S1 van… Show more

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Cited by 15 publications
(22 citation statements)
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“…This is analogous to the previously reported situation for observing absorption transitions associated with van der Waals modes. 17 The rotor energies in both S 1 and S 0 can be determined from the positions of these features in the 2D-LIF spectral image. The S 0 rotor energies can also be observed via weak m = 0 emission features.…”
Section: B Methyl Rotor Overviewmentioning
confidence: 99%
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“…This is analogous to the previously reported situation for observing absorption transitions associated with van der Waals modes. 17 The rotor energies in both S 1 and S 0 can be determined from the positions of these features in the 2D-LIF spectral image. The S 0 rotor energies can also be observed via weak m = 0 emission features.…”
Section: B Methyl Rotor Overviewmentioning
confidence: 99%
“…Our investigation is based on the technique of two-dimensional laser induced fluorescence (2D-LIF). [16][17][18][19][20][21][22][23][24][25] This technique involves measuring a region of the dispersed fluorescence spectrum as the laser is scanned over absorption features. The dispersed fluorescence effectively provides a filter that allows different species to be separated.…”
Section: Introductionmentioning
confidence: 99%
“…11 (FB levels and transitions are shown with no bar, FB-Ar transitions with a single bar, and FB-Ar 2 transitions with a double bar.) The spectrum shown is a composite of three separately acquired segments.…”
Section: Resultsmentioning
confidence: 99%
“…11,13 The salient features for the present experiments are as follows. The frequency doubled output of a Nd:YAG pumped dye laser (coumarin 503 laser dye; 0.3 cm −1 doubled line width; 10 Hz repetition rate) is passed vertically through a stainless steel chamber containing the pulsed nozzle source, the vertical propagation matching the vertical entrance slit of the spectrometer.…”
Section: Methodsmentioning
confidence: 99%
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