Beam manipulating by graded photonic crystal slab made of dielectric elastomer actuators

Hung Wen Wang, I-Ling Chang, Lien-Wen Chen

研究成果: Article

10 引文 (Scopus)

摘要

The focusing lens and beam-steering device are implemented using two-dimensional graded photonic crystals with dielectric elastomer tube array embedded in air background. The gradient refractive index could be adjusted by varying the applied voltage on the dielectric elastomer tube so that the tube radius would change accordingly, which consequently alters the filling factor of the constituent material in photonic crystals, and the photonic dispersion band can be modulated. The finite element method is employed to simulate the electromagnetic wave propagation inside the designed device and analyze both the tunable focusing properties and beam-deflecting behavior. The implementation of the proposed device is validated within the lowest band. It is concluded that the proposed innovative device could easily accomplished the applications of focusing and steering electromagnetic fields with nonuniform applied voltage profiles.

原文English
頁(從 - 到)5524-5530
頁數7
期刊Optics Communications
285
發行號24
DOIs
出版狀態Published - 2012 十一月 1

指紋

Elastomers
elastomers
Photonic crystals
slabs
Actuators
actuators
photonics
Electromagnetic wave propagation
Electric potential
tubes
Electromagnetic fields
Photonics
crystals
Lenses
Refractive index
Finite element method
beam steering
electric potential
Air
wave propagation

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

引用此文

Wang, Hung Wen ; Chang, I-Ling ; Chen, Lien-Wen. / Beam manipulating by graded photonic crystal slab made of dielectric elastomer actuators. 於: Optics Communications. 2012 ; 卷 285, 編號 24. 頁 5524-5530.
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Beam manipulating by graded photonic crystal slab made of dielectric elastomer actuators. / Wang, Hung Wen; Chang, I-Ling; Chen, Lien-Wen.

於: Optics Communications, 卷 285, 編號 24, 01.11.2012, p. 5524-5530.

研究成果: Article

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