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Terahertz Field Confinement in Nonlinear Metamaterials and Near-Field Imaging

Authors
  • Keiser, George R.
  • Klarskov, Pernille
Publication Date
Feb 28, 2019
Source
MDPI
Keywords
Language
English
License
Green
External links

Abstract

This article reviews recent advances in terahertz science and technology that rely on confining the energy of incident terahertz radiation to small, very sub-wavelength sized regions. We focus on two broad areas of application for such field confinement: metamaterial-based nonlinear terahertz devices and terahertz near-field microscopy and spectroscopy techniques. In particular, we focus on field confinement in: terahertz nonlinear absorbers, metamaterial enhanced nonlinear terahertz spectroscopy, and in sub-wavelength terahertz imaging systems.

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