Detection of a spinning object with circular procession using an optical vortex beam.
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DOI: 10.1364/ol.458270
Abstract: The rotational Doppler effect (RDE) provides an efficient way to measure rotational frequency using an optical vortex beam. Crucially, most research based on the RDE just involves a spinning object or a spinning object coupled… read more here.
Keywords: object circular; using optical; beam; vortex beam ... See more keywords