Terahertz negative refraction in a high-temperature superconducting material

Meng Ru Wu, Heng Tung Hsu, Chien Jang Wu, Shoou Jinn Chang

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The phenomenon of negative refraction at terahertz (THz) frequency for a high-temperature superconducting material is theoretically investigated based on the inhomogeneous wave theory. Negative refraction, which arises from the negative refractive angle, can occur when a p-polarized wave is incident from a dielectric to a superconductor. The dependences of negative refractive angle on the angle of incidence, the wave frequency, and the temperature have been analytically studied. The conditions for obtaining a pronounced result in negative refraction are elucidated. The study of negative refraction is of potential use in designing a tunable polarizer. In addition, it is an extended study of a transmission problem that is not treatable from the Fresnel equations in electromagnetics and optics.

Original languageEnglish
Article number7008526
Pages (from-to)230-235
Number of pages6
JournalIEEE Transactions on Terahertz Science and Technology
Volume5
Issue number2
DOIs
Publication statusPublished - 2015 Mar 1

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Refraction
Superconducting materials
refraction
Temperature
polarizers
Optics
incidence
optics
electromagnetism
temperature

Keywords

  • Negative refraction
  • polarized wave
  • superconductor
  • two-fluid model

ASJC Scopus subject areas

  • Radiation
  • Electrical and Electronic Engineering

Cite this

Terahertz negative refraction in a high-temperature superconducting material. / Wu, Meng Ru; Hsu, Heng Tung; Wu, Chien Jang; Chang, Shoou Jinn.

In: IEEE Transactions on Terahertz Science and Technology, Vol. 5, No. 2, 7008526, 01.03.2015, p. 230-235.

Research output: Contribution to journalArticle

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