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1 February 2011 Light-driven motor
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Abstract
A light-driven motor operated by a single source of light is demonstrated for the first time. The device utilizes a NiTi shape memory alloy (SMA) wire initially trained straight shape. The SMA wire was formed in a loop and put around two wheels. In the experiment a steady and continuous rotation was achieved with a bundled loop of 0.3-mm diameter wire. The rotational speed was proportional to the incident light power and 60 rpm was obtained at 3.6 W of light power. The experimental result was consistent with the theory.
©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)
Hideki Okamura "Light-driven motor," Optical Engineering 50(2), 020503 (1 February 2011). https://doi.org/10.1117/1.3542042
Published: 1 February 2011
JOURNAL ARTICLE
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