Abstract

We measure short distances with a spectromètre interférentiel à sélection par l’amplitude de la modulation (SISAM) (interferential spectrometer by selection of amplitude modulation) interferometer that correlates optical fields. We present the method and the resolution of the system. A test with a Michelson interferometer shows SISAM’s ability to detect phase change in one arm of the Michelson interferometer.

© 1997 Optical Society of America

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