Tunable multilayer narrowband filter containing an ultrathin metallic film and a lithium niobate defect

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

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

By using lithium niobate (LiNbO 3) as a defect layer, a tunable multilayer narrowband reflection-and-transmission filter containing an ultrathin metallic film is proposed. Due to the voltage dependence of the refractive index for LiNbO 3), tunable optical filtering properties have been theoretically investigated based on the calculated wavelengthdependent reflectance and transmittance. The dependences of peakwavelength on the applied voltage and the angle of incidence are numerically illustrated. The results reveal that in addition to working as a tunable filter, it can also be expected to act as a refractometric opticalsensor.

Original languageEnglish
Pages (from-to)359-365
Number of pages7
JournalOptical and Quantum Electronics
Volume42
Issue number6-7
DOIs
Publication statusPublished - 2011 Jun 1

Fingerprint

Metallic films
Ultrathin films
lithium niobates
narrowband
Multilayers
Lithium
filters
Defects
tunable filters
defects
Electric potential
electric potential
Refractive index
transmittance
incidence
refractivity
reflectance
lithium niobate

Keywords

  • Electro-optical tuning
  • Metal/dielectric films
  • Narrowband filter

ASJC Scopus subject areas

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

Cite this

Tunable multilayer narrowband filter containing an ultrathin metallic film and a lithium niobate defect. / Chang, Yang Hua; Liu, Chi Chung; Yang, Tzong Jer; Wu, Chien Jang.

In: Optical and Quantum Electronics, Vol. 42, No. 6-7, 01.06.2011, p. 359-365.

Research output: Contribution to journalArticle

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