Terahertz waveguides with low transmission losses: Characterization and applications

Oleg Mitrofanov, Miguel Navarro-Cia, Miriam S. Vitiello, Jeffrey E. Melzer, James A. Harrington

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

Research in the area of terahertz (THz) waveguides has seen a rapid progress recently and has led to demonstration of THz waveguides with transmission losses comparable to losses in air. We will discuss dielectric-lined hollow metallic waveguides, in which THz waves propagate with attenuation as low as 1 dB/m and dispersion of 6 ps/(THz·m), and compare them to other low-loss THz waveguides. As a key technique for THz waveguide research, we will discuss the application of THz near-field microscopy in combination with THz time-domain spectroscopy for waveguide characterization. This technique allows us to map spatial profiles of normal modes and to measure transmission loss and dispersion spectra for individual modes within the THz range.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
PublisherSociety of Photo-Optical Instrumentation Engineers
Volume9199
ISBN (Print)9781628412260
DOIs
Publication statusPublished - 2014
EventTerahertz Emitters, Receivers, and Applications V - San Diego, United States
Duration: 17 Aug 201418 Aug 2014

Conference

ConferenceTerahertz Emitters, Receivers, and Applications V
Country/TerritoryUnited States
CitySan Diego
Period17/08/1418/08/14

Keywords

  • Dispersion
  • Hollow metallic waveguides
  • Mode interference
  • Near-field imaging
  • Terahertz
  • Terahertz spectroscopy
  • Transmission loss
  • Waveguide modes

ASJC Scopus subject areas

  • Applied Mathematics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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