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Journal of Advanced Mechanical Design, Systems, and Manufacturing
Vol. 6 (2012) No. 6 Special Issue on Advanced Manufacturing Technology (LEM21) pp. 764-770

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http://doi.org/10.1299/jamdsm.6.764

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A micro-probe based on laser trapping has been proposed for the probe system of a nano-coordinate measuring machine. This study focused on the “shadow effect,” which is the case wherein a partial beam for laser trapping is shaded by the specimen. A radially polarized beam was introduced to improve the shadow effect. As the result of increasing the trapping efficiency by 3.2 times, this high-efficient laser trapping made it possible to extend the measurable range of the vertical surface under the shadow effect.

Copyright © 2012 by The Japan Society of Mechanical Engineers

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