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Updated: Mar 26, 2026

Fabrication Process of Silicone-based Dielectric Elastomer Actuators
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An Electroactive, Tunable, and Frequency Selective Surface Utilizing Highly Stretchable Dielectric Elastomer

Jun-Ho Choi1, Jaeho Ahn2, Jin-Bong Kim3

  • 1Creative Research Initiative Center for Functionally Antagonistic Nano-Engineering, Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu Daejeon, 34141, Republic of Korea.

Small (Weinheim an Der Bergstrasse, Germany)
|February 12, 2016
PubMed
Summary

A novel active frequency selective surface uses a silver-nanowire dielectric elastomer with a butterfly aperture. Electroactive control of stretching and compression enables tunable electromagnetic response.

Keywords:
aperture controldielectric elastomer actuatorselectromagnetic wavesfrequency selective surfacessilver nanowires

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Area of Science:

  • Materials Science
  • Electromagnetics
  • Nanotechnology

Background:

  • Frequency selective surfaces (FSS) are crucial for controlling electromagnetic waves.
  • Traditional FSS designs are often passive and lack tunability.
  • Dielectric elastomer actuators (DEAs) offer tunable mechanical properties.

Purpose of the Study:

  • To develop an active, tunable frequency selective surface.
  • To leverage the electroactive properties of dielectric elastomers for electromagnetic applications.
  • To demonstrate a novel FSS design using a silver-nanowire-coated DEA with a butterfly aperture.

Main Methods:

  • Fabrication of a silver-nanowire-coated dielectric elastomer.
  • Patterning the dielectric elastomer into a butterfly-shaped aperture.
  • Utilizing antagonistic electroactive control (stretching and compression) of the DEA.
  • Characterization of the frequency selective surface's electromagnetic response.

Main Results:

  • Successful realization of an active FSS.
  • Demonstration of tunable electromagnetic response through electroactive control.
  • The butterfly aperture pattern influences the FSS performance.
  • The antagonistic functions of stretching and compression provide versatile control.

Conclusions:

  • The proposed active FSS offers tunable electromagnetic filtering capabilities.
  • This work presents a new approach for developing reconfigurable intelligent surfaces.
  • The integration of nanotechnology and advanced materials enables novel electromagnetic devices.