摘要: A light-driven motor operated by a single source of light is demonstrated for the first time. The device utilizes NiTi shape memory alloy (SMA) wire initially trained straight shape. SMA was formed in loop and put around two wheels. In experiment steady continuous rotation achieved with bundled 0.3-mm diameter wire. rotational speed proportional to incident power 60 rpm obtained at 3.6 W power. experimental result consistent theory.
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