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Picosecond pump–probe and polarization techniques in supersonic molecular beams: Measurement of ultrafast vibrational-rotational dephasing and coherence

Scherer, N. F. and Shepanski, J. F. and Zewail, A. H. (1984) Picosecond pump–probe and polarization techniques in supersonic molecular beams: Measurement of ultrafast vibrational-rotational dephasing and coherence. Journal of Chemical Physics, 81 (4). pp. 2181-2182. ISSN 0021-9606. http://resolver.caltech.edu/CaltechAUTHORS:SCHEjcp84

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Abstract

In the last few years, the time-resolved dynamics of collisionless intramolecular vibrational-energy redistribution (IVR) [1] has been probed [2] using picosecond excitation and fluorescence detection. By this method new information on IVR, coherence and photochemical changes (e.g., trans-cis isomerization) has been obtained. [2,3] However, in a number of cases the (early time) primary step following picosecond excitation could not be resolved simply because the time resolution was limited to ~50ps.


Item Type:Article
Additional Information:Copyright © 1984 American Institute of Physics (Received 2 April 1984; accepted 8 May 1984) This research was supported by grants from the National Science Foundation (DMR-8105034 and CHE-8211356). {A.H.Z. was a] Camille and Henry Dreyfus Foundation Teacher-Scholar. Arthur Amos Noyes Laboratory of Chemical Physics Contribution No. 7006.
Record Number:CaltechAUTHORS:SCHEjcp84
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:SCHEjcp84
Alternative URL:http://dx.doi.org/10.1063/1.447843
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:4110
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:27 Jul 2006
Last Modified:26 Dec 2012 08:57

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