Myongji University Microsystems Laboratory Directed by Prof. Sang Kug Chung

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2014.07.11 (13:09:24)

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Schematic diagram of a tunable optical iris operated by electromagnetic actuation: When an electrical current is applied to an electric coil, a ferrofluid initially filled inside the sub-channel of the iris is electromagnetically actuated and pulled to the center of the main channel, resulting in changing the aperture of the iris.


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