Proceedings PaperA Simple And Accurate Method Of Calibration Of Double Refracting Microinterferometers Using Object-Adapted Interferometry
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Determination of the relationship between the light wavelength and the interfringe spacing is a basic calibration operation in interferometry. A simple and accurate method of the calibration of double refracting microinterferometers is proposed. The method is based on the object-adapted variable wavelength interferometry (AVAWI) developed recently by the author of this contribution. Only a birefringent plate of known thickness or a glass plate with a step whose height is known are required for the calibration process.