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Empowering Shape Corrections for Optical Mirror Surfaces through Customized Electroactive Polymer‐Based Force‐Actuators and Additive Manufacturing

Authors: Thetpraphi, Kritsadi; MORETTO, Gil; Vincent Bruyere; Capsal, Jean-Fabien; Audigier, David; Kuhn, Jeff; Rebasti, Francesca;

Empowering Shape Corrections for Optical Mirror Surfaces through Customized Electroactive Polymer‐Based Force‐Actuators and Additive Manufacturing

Abstract

AbstractThis research introduces a novel technology for creating lightweight, deformable optical mirrors with unique “live” capabilities. We developed dynamic hybrid electroactive polymer (EAP)‐based force actuators integrated with the optical surface through advanced additive manufacturing techniques. By refining 3D printer software and hardware controls, we achieved better accuracy and reliability in fabricating complex geometries. Additionally, doping and multilayer structuring enhanced the electromechanical performance of the material. Our study examines how the thickness of the EAP actuator and electrode size affect optical glass displacement. We found that optimal performance occurs with EAP layers thinner than 300 µm, and larger electrodes delay saturation in deformation behaviors. Improved electromechanical response was observed with the organic plasticizer diisononyl phthalate (DINP). Our model, validated by COMSOL Multiphysics simulations, aligned well with experimental data. These findings represent a significant advancement in EAP‐based actuators and their ability to correct optical surfaces precisely. They revolutionize the use of electroactive materials and open up exciting possibilities for future applications in active and adaptive optics, as well as precision control systems.

Keywords

Optical Shape Corrections, Additive manufacturing, Force Actuators, Active Optics, Advanced Electroactive Polymers

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green