Abstract
An interferometric method based on synchronized scanning of a Fabry-Perot interferometer and a monochromator tuned to select one free spectral range is used to measure atomic line profiles in absorption. The profiles of Ag 328 and 338 nm and of Cu 325 and 327 run in an acetylene-air flame are recorded and corrected for instrumental broadening. The results are interpreted in terms of Voigt a-parameters and peak absorption coefficients.
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