1P1-C07 エバネッセント場を用いた光駆動マイクロマシンの設計および試作

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  • 1P1-C07 Development of optically driven micromachines with an evanescent field

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We have developed a rotary micromachine driven by an evanescent field. The shape of the blades of the rotary micromachine was designed by a numerical simulation based on finite-difference time-domain method. We fabricated a prototype of the rotary micromachine by using two-photon microstereolithography. In a preliminary experiment, we generate an evanescent field by use of total reflection at a surface of a prism to rotate the rotary micromachine. As a result, we demonstrated that the micromachine was rotated by the evanescent field. Such micromachines will be useful for micromixers or micropumps built-in a biochip.

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