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Type: Artigo de periódico
Title: Saturation measurements of the a P-3(0)-y D-3(1)o Ti I transition by optogalvanic spectroscopy
Author: Mirage, A
Cruz, FC
Scalabrin, A
Pereira, D
Abstract: The optogalvanic signal (OGS) induced in a Ti-Ar hollow-cathode discharge, stimulated by modulated cw laser light tuned to the a P-3(0-y) (3)D(1)degrees Ti I transition, was measured as a function of the light intensity. By solving analytically the rate equations of a three-level system, which include the Ti I ground state, the lower metastable a P-3(0) and the upper y (3)D(1)degrees levels, an expression was obtained that relates the magnitude of the OGS to the laser intensity and the saturation parameter (1/sigma(0)tau). The sigma(0)tau product was determined by fitting the theoretical curve to the experimental data. (C) 1998 Elsevier Science B.V. All rights reserved.
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/S0030-4018(98)00262-4
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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