Highly accurate, absolute optical encoder using a hybrid-positioning method.
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DOI: 10.1364/ol.44.005258
Abstract: An absolute optical encoder with nanometric positioning repeatability is introduced and investigated. The encoder consists of an improved scale grating and a compact two-probe reading head. The scale grating contains multiple unevenly spaced distance marks… read more here.
Keywords: scale grating; absolute optical; encoder; optical encoder ... See more keywords