TUNABLE VACUUM ULTRAVIOLET PHOFEX SPECTROSCOPY OF OCS
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Date
1994
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Publisher
Ohio State University
Abstract
The photofragment excitation (PHOFEX) spectrum of jet-cooled OCS has been measured in the vacuum ultraviolet (VUV) region between 140-160 nm. The electronically excited S($^{1}S$) photoproduct, produced by tunable VUV laser photolysis, was detected by laser induced fluorescence via the $^{3}D_{1}{^{\circ}} - ^{1}S$ transition. The observed PHOFEX spectrum is better resolved than previous room-temperature and jet-cooled absorption spectra, and new features are observed. The dynamics of the photodissociation will be discussed using the measured PHOFEX spectrum, as well as the $S(^{1}S)$ Doppler profiles.
Description
Author Institution: Department of Pure and Applied Sciences, College of Arts and Sciences, The University of Tokyo