Apparent photodestruction of a neutral Arn cluster beam with visible laser light
✍ Scribed by A. Stamtovic; F. Howorka; T.D. Märk
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 605 KB
- Volume
- 160
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
We have observed an apparent photodestruction (using visible laser light) of a neutral Ar, cluster beam produced in a supersonic expansion. The clusters are detected by electron ionization/mass spectrometry.
Several tests were performed, all of which support this surprising discovery. We suggest that Raman-induced photodestruction (RIP) in the cluster growth zone is responsible for this phenomenon.
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The photodissociation of (CO\*), and Ar, clusters has been investigated in a crossed-beams experiment, by means of the timeresolved opto-thermal technique. Clusters have been irradiated using both non-resonant visible and resonant infrared radiation (for (CO,), only). The cross section for visible p
Strong photodissociation in the visible of neutral (CO,),, n< 20, clusters produced by supersonic expansion and detected by electron ionization/attachment mass spectrometry is reported. Raman-induced dissociation (RIP) is suggested to be responsible for the occurrence of this phenomenon. The corresp