Abstract

We have investigated the utility of a Lau phase interferometer with linear gratings and white light source to measure the temperature and temperature profile of a flame produced by a slot burner used in an atomic absorption spectrophotometer. The temperature values measured using a Lau phase interferometer and a thermocouple and multilogger are in good agreement. The effect of aspirating water through a nebulizer on the temperature profile and details of theoretical analysis and experimental investigations are also presented.

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