Temperature controlled perfect absorber based on metal-superconductor-metal square array

Huang Ming Lee, Jong-Ching Wu

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The optical properties of a single-band near-perfect absorber are studied numerically by using a finite element method in conjunction with a two-fluid model. Based on a metal-superconductor-metal (MSM) scheme, the proposed structure comprises a lossless superconducting layer sandwiched by a silver square array and ground silver plane. The simulation results clearly show that near-perfect absorption band can be realized and promptly tuned from green light to red light by the temperature of the system. The designed MSM absorber also presents the characteristics of polarization insensitivity and wide-angle incidence up to 50 degree. This prompt manipulation of the near-perfect absorption band makes this MSM absorber a great potential candidate when designing an in-situ absorption band selector in the visible light wavelength regime.

Original languageEnglish
Article number6332995
Pages (from-to)4243-4246
Number of pages4
JournalIEEE Transactions on Magnetics
Volume48
Issue number11
DOIs
Publication statusPublished - 2012 Oct 30

Fingerprint

Superconducting materials
Metals
Absorption spectra
Silver
Temperature
Methyl Green
Optical properties
Polarization
Finite element method
Wavelength
Fluids

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

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Temperature controlled perfect absorber based on metal-superconductor-metal square array. / Lee, Huang Ming; Wu, Jong-Ching.

In: IEEE Transactions on Magnetics, Vol. 48, No. 11, 6332995, 30.10.2012, p. 4243-4246.

Research output: Contribution to journalArticle

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