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28 April 2023 Electromechanical applications of PVC gels and EPIC actuators in varifocal lenses
John Faccinto, Daniel Fisher, Abdulkarem Sennain, Justin Neubauer, Kwang Jin Kim
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Proceedings Volume PC12482, Electroactive Polymer Actuators and Devices (EAPAD) XXV; PC1248203 (2023) https://doi.org/10.1117/12.2660452
Event: SPIE Smart Structures + Nondestructive Evaluation, 2023, Long Beach, California, United States
Abstract
Varifocal lenses are a lens with different focal lengths and, therefore, magnification. These are used extensively in the optics industry as progressive lenses in eyewear. A focal length gradient exists along the lens height, so objects magnify as the user looks downwards. Unfortunately, progressive lenses are rigid materials making them closer to quasi-varifocal lenses. In this present study, varifocal lenses can change focal length to a constant value. This study investigates polyvinyl chloride (PVC) gel and Electrohydraulic Actuators Powered by Induced Interfacial Charges (EPIC) actuators as varifocal lenses. Polyvinyl chloride (PVC) gels are a new type of dielectric elastomer actuator only investigated at the start of the century. The transparent gels are known for producing displacement under an effective voltage in a mechanism known as anodophilic creep, the axisymmetric tendency to deform towards the anode surface. The EPIC actuator is a novel application of PVC gels that places
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John Faccinto, Daniel Fisher, Abdulkarem Sennain, Justin Neubauer, and Kwang Jin Kim "Electromechanical applications of PVC gels and EPIC actuators in varifocal lenses", Proc. SPIE PC12482, Electroactive Polymer Actuators and Devices (EAPAD) XXV, PC1248203 (28 April 2023); https://doi.org/10.1117/12.2660452
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KEYWORDS
Actuators
Lenses
Dielectric elastomer actuators
Dielectrics
Manufacturing
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