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White-light-induced fragmentation of toluene

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons60716

Müller,  Astrid M.
Laser Chemistry, Max Planck Institute of Quantum Optics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons60896

Uiterwaal,  C. J. G. J.
Laser Chemistry, Max Planck Institute of Quantum Optics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons60923

Wanner,  Jochen
Laser Chemistry, Max Planck Institute of Quantum Optics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons60628

Kompa,  Karl-Ludwig
Laser Chemistry, Max Planck Institute of Quantum Optics, Max Planck Society;

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Citation

Müller, A. M., Witzel, B., Uiterwaal, C. J. G. J., Wanner, J., & Kompa, K.-L. (2002). White-light-induced fragmentation of toluene. Physical Review Letters, 88(2): 023001. 023001. Retrieved from http://link.aps.org/abstract/PRL/v88/e023001.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-C269-1
Abstract
We investigate the influence of continuum generation on the photofragmentation dynamics of the toluene molecule. By sending an 80-fs Ti:sapphire laser beam through a 2-mm-thick CaF2 plate we show that even moderately broadened laser frequency spectra considerably increase the degree of fragmentation, while it is nearly absent without continuum generation. The measured broadening of the frequency spectra and the known Raman-active vibrational modes of toluene afford an explanation in terms of a stimulated Raman scattering scheme, in which the molecule absorbs large amounts of vibrational energy.