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An empirical approximation to the Voigt profile |
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| Affiliation: | 1. School of Petrochemical Engineering, Changzhou University, Changzhou, 213164, China;2. Shaanxi Key Laboratory of Macromolecular Science and Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi’an, Shaanxi, 710072, China;1. Pharmaceutical Analysis Research Center, Tabriz University of Medical Sciences, Tabriz, Iran;2. Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran |
| Abstract: | A closed-form approximation to the Voigt profile is developed from an examination of Voigt profile calculations. This approximation matches the Voigt profile within 5 per cent at worst and is generally within 3 per cent or less. In radiant energy transport calculations this approximation is shown to closely reproduce the curves of growth given by use of the Voigt profile expression. |
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