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Updated: Mar 14, 2026
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Fabrication Process of Silicone-based Dielectric Elastomer Actuators
Published on: February 1, 2016
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Holographic Structuring of Elastomer Actuator: First True Monolithic Tunable Elastomer Optics.
Alexander Ryabchun1, Matthias Kollosche2, Michael Wegener1
1Fraunhofer Institute for Applied Polymer Research, Geiselbergstr. 69, 14476, Potsdam-Golm, Germany.
Advanced Materials (Deerfield Beach, Fla.)
|October 8, 2016
Summary
Researchers created voltage-controlled tunable optics by inscribing volume diffraction gratings into dielectric elastomer actuators. This innovation enables a 17% grating shift, paving the way for novel optical devices.
Area of Science:
- Materials Science
- Optics
- Polymer Science
Background:
- Dielectric elastomer actuators (DEAs) offer tunable mechanical properties.
- Diffraction gratings are crucial optical components for light manipulation.
- Integrating functional elements into DEAs remains a challenge.
Purpose of the Study:
- To develop a novel monolithic tunable optical element using DEAs.
- To demonstrate voltage-controlled grating shifts in an integrated system.
- To explore the potential of electroactive polymers for advanced optics.
Main Methods:
- Diffusive introduction of benzophenone into a DEA.
- UV-holographic structuring to inscribe volume diffraction gratings (VDGs).
- Characterization of voltage-induced grating shifts.
Main Results:
- Successfully inscribed VDGs within an electroactive DEA.
- Achieved a continuous voltage-controlled grating shift of 17%.
- Demonstrated the coupling between DEA's internal stress and the optical domain.
Conclusions:
- This work presents a new generation of monolithic tunable elastomer optics.
- Voltage-controlled properties open avenues for advanced optical applications.
- The integrated approach offers a pathway for novel electro-optic devices.
