The theoretical results of the effects of a small inclination misalignment, which is formed by rotation of the beam-splitter grating around the axis on the grating plane when the axis has an arbitrary angle with respect to the line direction of the grating, between the two grating planes on the moiré fringes in the Talbot interferometry are verified by experiment. The experimental results coincide well with theoretical ones. Consequently, the effect of the small arbitrary inclination on practical measurements based on the Talbot interferometry is further explained by an example that examines the beam collimation of a lens, and the advantages and limitations of the effect are also discussed.

© 2001 Optical Society of America

[Optical Society of America ]

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