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8 March 2024 Photomechanical bimorph fibers
A. F. Moore, J. D. Myers, D. L. Rhonehouse, G. Chin, J. A. Frantz, J. S. Sanghera
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Proceedings Volume 12882, Optical Components and Materials XXI; 128820L (2024) https://doi.org/10.1117/12.3006500
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
Photomechanical actuators are a promising alternative to electrical actuators. Photomechanical actuators can be made of lightweight materials arranged in a simple system with few components, being powered solely by a light source. The result of this would be lighter motorized systems that are less prone to malfunction and damage. Such an actuator was developed in the form of a fiber backfilled with a low melting point wax, eicosane. The operating mechanisms for this fiber are based on bimorph actuator theory and the use of a photoactive additive. By drawing a PMMA fiber with a continuous and uniform cavity throughout the entirety of the length of fiber, and then backfilling it with eicosane, which has disparate mechanical and thermal properties, a bimorph actuator is made. Filled fibers were observed during actuation under an optical microscope with a heated stage and their mechanical response is discussed.
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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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A. F. Moore, J. D. Myers, D. L. Rhonehouse, G. Chin, J. A. Frantz, and J. S. Sanghera "Photomechanical bimorph fibers", Proc. SPIE 12882, Optical Components and Materials XXI, 128820L (8 March 2024); https://doi.org/10.1117/12.3006500
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KEYWORDS
Actuators
Porosity
Thermal modeling
Polymethylmethacrylate
Process modeling
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