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Lateral and rotational displacement measurement using dual mode reflector and multizeros optical beam

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3 Author(s)
Yada, Y. ; Dept. of Inf. Sci. & Technol., Univ. of Tokyo, Tokyo, Japan ; Kurihara, T. ; Ando, S.

We developed a novel method for displacement measurement of distant target. Both lateral and rotational displacements can be measured with high accuracy using dual mode reflector and a multizeros optical beam. Proposed structure enables us to dissolve the requirement of electrical power supply on a target. Experimental results show that the precision of lateral displacement is approximately 20μm and that of rotational displacement is higher than 0.001 deg at 4.1m distance.

Published in:

SICE Annual Conference (SICE), 2012 Proceedings of

Date of Conference:

20-23 Aug. 2012