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  Study of ultrafast chemical dynamics by intense-laser field dissociative ionization

Trushin, S. A., Fuß, W., Pushpa, K. K., & Schmid, W. (2002). Study of ultrafast chemical dynamics by intense-laser field dissociative ionization. In A. Y. Chikishev, V. A. Orlovich, A. N. Rubinov, & A. M. Zheltikov (Eds.), ICONO 2001: Novel Trends in Nonlinear Laser Spectroscopy and Optical Diagnostics and Lasers in Chemistry, Biophysics, and Biomedicine (pp. 313-328). Bellingham: SPIE.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-C2CC-1 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-C2CD-0
Genre: Conference Paper

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 Creators:
Trushin, Sergei A.1, 2, Author           
Fuß, Werner1, 2, Author           
Pushpa, Kumbil Kutta3, Author
Schmid, Wolfram2, Author           
Affiliations:
1Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society, ou_1445564              
2Laser Chemistry, Max Planck Institute of Quantum Optics, Max Planck Society, ou_1445565              
3Max Planck Society, ou_persistent13              

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 Abstract: When investigating photochemical dynamics, one usually measures the time for disappearance of the primary excited state or the appearance of the product state or the total time the molecule needs for traveling from the former to the latter. Quantum chemistry predicts, however, that molecules often pas on this way via intermediate potential energy surfaces and conical intersections, the path sometimes branching and changing direction. In the conventional methods this intermediate region remains in the dark. We show that probing by intense-laser field ionization and mass-selective detection provides surprisingly many time constants which can reveal this region and thus practically allow to 'look into the black box', it is thus possible to monitor the molecule's pathway all along the potential energy surfaces from the initially excited region down to the ground state of the product. Even driving forces can be recognized. We discuss these and other advantages, but also pitfalls of this method and compare it with other methods of probing.

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Language(s): eng - English
 Dates: 2002
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 25722
 Degree: -

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Title: XVII International Conference on Coherent and Nonlinear Optics (ICONO 2001)
Place of Event: Minsk, Belarus
Start-/End Date: 2001-06-26 - 2001-07-01

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Title: ICONO 2001: Novel Trends in Nonlinear Laser Spectroscopy and Optical Diagnostics and Lasers in Chemistry, Biophysics, and Biomedicine
Source Genre: Proceedings
 Creator(s):
Chikishev, Andrey Y., Editor
Orlovich, Valentin A., Editor
Rubinov, Anatoly N., Editor
Zheltikov, Alexei M., Editor
Affiliations:
-
Publ. Info: Bellingham : SPIE
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 313 - 328 Identifier: ISBN: 0-8194-4512-6

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Title: SPIE Pioceedings
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Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: -