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Issue 25, 2006
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Modification of the velocity distribution of H2 molecules in a supersonic beam by intense pulsed optical gradients

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Abstract

We report the acceleration and deceleration of H2 molecules in a supersonic molecular beam by means of its interaction with an intense optical gradient from a nanosecond far-off-resonant optical pulse. The strong optical gradients are formed in the interference pattern of two intense optical pulses at 532 nm. The velocity distribution of the molecular beam, before and after the applied optical pulse, is measured by a velocity-mapped ion imaging technique. Changes in velocity up to 202 m s−1 ± 61 m s−1 are observed in a molecular beam initially travelling at a mean speed of 563 m s−1. We report the dependence of this change in velocity with the strength of the optical gradient applied.

Graphical abstract: Modification of the velocity distribution of H2 molecules in a supersonic beam by intense pulsed optical gradients

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Publication details

The article was received on 03 Mar 2006, accepted on 26 Apr 2006 and first published on 22 May 2006


Article type: Paper
DOI: 10.1039/B603177C
Citation: Phys. Chem. Chem. Phys., 2006,8, 2985-2989
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    Modification of the velocity distribution of H2 molecules in a supersonic beam by intense pulsed optical gradients

    J. Ramirez-Serrano, K. E. Strecker and D. W. Chandler, Phys. Chem. Chem. Phys., 2006, 8, 2985
    DOI: 10.1039/B603177C

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