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IEVref:523-04-09ID:
Language:enStatus: Standard
Term: light-driven actuator
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Definition: actuator that uses light as a control signal or an energy source or both

Note 1 to entry: Since the development of photostrictive materials, various light-driven actuators have been proposed. These actuators have simple structures and can be driven by wireless means. A motor is proposed that utilizes the spin realignment effect, in which a magnetic material absorbs light and the resulting heat changes the direction of magnetization reversibly. Actuators utilizing thermal expansion, and exploiting polymer photochemical reactions, are also being studied.


Publication date:2018-12
Source:IEC 62047-1:2016, 2.4.3
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