Abstract:<div>
<p></p><p></p><p>In this paper, a novel optical rotary sensor based on laser
self-mixing interferometry is developed for the full-circle rotation
measurement. The proposed sensor is convenient to use for it does not need any
contact with the target or a cooperative mirror. A prototype is fabricated and
tested. The measured results demonstrate a good performance compared with other
optical rotary sensors, in terms of the 0.1 μrad resolution, the 2.33×10<sup>-4<… Show more
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