Terahertz wideband superresolution probe and detection method thereof

Terahertz wideband superresolution probe and detection method thereof

The invention discloses a terahertz wideband superresolution probe and a detection method thereof. A medium probe of the terahertz wideband superresolution probe comprises an incident cone, a transitional cylinder and an emergent circular truncated cone which are coaxial; cyclical ultrathin metal st...

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Hauptverfasser: TANG HENGHE, LIU PUKUN, HUANG TIEJUN
Format: Patent
Sprache:chi ; eng
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APPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING PROBEMICROSCOPY [SPM]
MEASURING
PHYSICS
SCANNING-PROBE TECHNIQUES OR APPARATUS
TESTING
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creator TANG HENGHE
LIU PUKUN
HUANG TIEJUN
description The invention discloses a terahertz wideband superresolution probe and a detection method thereof. A medium probe of the terahertz wideband superresolution probe comprises an incident cone, a transitional cylinder and an emergent circular truncated cone which are coaxial; cyclical ultrathin metal strips are angularly arranged on the outer surfaces of the back half part of the transitional cylinderand the emergent circular truncated cone of the medium probe; a plane wave in normal incidence enters the incident cone, electromagnetic energy is gradually transformed into a waveguide mode in a circular medium waveguide, an electromagnetic wave is effectively confined near the metal strips without energy leakage, and as the axial radius of the emergent circular truncated cone decreases, the waveguide mode is gradually transformed into a quasi-TEM mode with a modeless cutoff effect on the metal strips and the electromagnetic energy is effectively focused at the emergent end of the emergent circular truncated cone, w
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subjects APPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING PROBEMICROSCOPY [SPM]
MEASURING
PHYSICS
SCANNING-PROBE TECHNIQUES OR APPARATUS
TESTING
title Terahertz wideband superresolution probe and detection method thereof
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