Reflection and transmission in a heterostructured multilayer narrowband filtercontaining thin metallic films

Yang Hua Chang, Chi Chung Liu, Tzong Jer Yang, Chien-Jang Wu

Research output: Contribution to journalArticle

Abstract

A narrowband filter with two reflection peaks anda single transmission peak is proposed based on a multilayer heterostructure containing two different ultrathin metallic films. The heterostructure filter is formed by cascading two narrowband reflection-and-transmission filters. We use the transfer matrix method to calculate the optical reflectance, transmittance, and absorptance for this filter. Results show that the heterostructure has a pronounced effect on the reflectance,leading to two resonant peaks. The angular dependence of filtering properties is also investigated.This filter is of practical use in the optical signal processing.

Original languageEnglish
Pages (from-to)268-272
Number of pages5
JournalJournal of Optoelectronics and Advanced Materials
Volume13
Issue number3
Publication statusPublished - 2011 Mar 1

Keywords

  • Heterostructures
  • Narrowband filters
  • Transfer matrix method

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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