✦ LIBER ✦

Laser vaporization time-of-flight studies of cryogenic Cl2/Xe films

✍ Scribed by Francis X. Campos; Curtis J. Waltman; Stephen R. Leone

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 450 KB
Volume: 201
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(93)85091-2

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✦ Synopsis

Laser ablation of cryogenic films formed from mixtures of Cl2 and Xe is studied by measuring the velocity distributions of the vaporized products. The mean velocity of the products vaporized by 355 nm light depends strongly on the Cl2 fraction and the film thickness. In addition, the ablation of thick films with a Xe fraction above 50% produces velocity distributions with slow and fast components having distinct temperatures. The fast component is found to have enhanced amounts of both Xe and Cl atoms. The results suggest that inhomogeneities in the cryogenic films, in the form of zones of relatively high Cl* concentration, play an imannant role in the vaporization process.

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