Reflection optical encoders as three-grating moiré systems
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2000
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The Optical Society Of America
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Abstract
Reflection optical encoders are studied as three-grating moiré systems. An analysis is made of the differences that may appear between it and the standard case in which an optical encoder is regarded as a two-grating system.
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© Optical Society of America.
This research was supported by a project from the Comisión Interministerial de Ciencia y Tecnología (CICYT) under grant TAP 98-0862.