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Single rotational state preparation and relaxation in CN(X2Σ+, ν=2). Stimulated emission pumping and laser-induced fluorescence detection

Authors
Journal
Chemical Physics Letters
0009-2614
Publisher
Elsevier
Publication Date
Volume
169
Issue
3
Identifiers
DOI: 10.1016/0009-2614(90)85185-f

Abstract

Abstract Stimulated emission pumping (SEP) in the CN(B 2Σ +−X 2Σ +) violet system has been employed to prepare substantial populations of CN(X 2Σ +, ν=2) molecules in single rotational states. These populations are detected by laser-induced fluorescence (LIF) and the combined SEP-LIF procedure is used to observe the population decay of the prepared states in collisions with helium atoms.

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