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Roof-Angle Error Measurement Using an Imaging Method

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Abstract

Measurement of the roof-angle error of prisms is a traditional task in optical measurement. Some established measuring devices, such as interferometers1) and autocollimators, are commonly used. Interferometers are expensive equipments. The autocollimator is simple to use, but it takes time to measure and is not suitable for automatic analysis.

© 1998 Optical Society of America

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