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Proceedings Paper

Three-dimensional optical control of magnetic levitation by temperature sensitive ferrite
Author(s): Yukitoshi Otani; Yasuhiro Mizutani; Norihiro Umeda
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Paper Abstract

An optical driven actuator has a feature of a non-contact for applying light energy remotely. It consists of a neodymium magnet as a movement, a ferrite magnet, two blocks of graphite and temperature sensitive ferrite. The neodymium magnet is levitated by magnetic force between the neodymium and ferrite magnet. When laser is irradiated on temperature sensitive ferrite, a magnetic force decreases by photo-thermal effect. As a result, the movement can be controlled in three-dimensional area.

Paper Details

Date Published: 10 October 2007
PDF: 4 pages
Proc. SPIE 6715, Optomechatronic Actuators and Manipulation III, 67150L (10 October 2007); doi: 10.1117/12.754428
Show Author Affiliations
Yukitoshi Otani, Tokyo Univ. of Agriculture and Technology (Japan)
Yasuhiro Mizutani, Tokyo Univ. of Agriculture and Technology (Japan)
Norihiro Umeda, Tokyo Univ. of Agriculture and Technology (Japan)


Published in SPIE Proceedings Vol. 6715:
Optomechatronic Actuators and Manipulation III

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