All-Metal Metamaterial-Based Sensor with Novel Geometry and Enhanced Sensing Capability at Terahertz Frequency

All-Metal Metamaterial-Based Sensor with Novel Geometry and Enhanced Sensing Capability at Terahertz Frequency

This research proposes an all-metal metamaterial-based absorber with a novel geometry capable of refractive index sensing in the terahertz (THz) range. The structure consists of four concentric diamond-shaped gold resonators on the top of a gold metal plate; the resonators increase in height by 2 µm...

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Bibliographic Details
Main Authors: Sagnik Banerjee, Ishani Ghosh, Carlo Santini, Fabio Mangini, Rocco Citroni, Fabrizio Frezza
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Sensors
Subjects:
all-metal
metamaterial
absorber
refractive index
sensitivity
Online Access:https://www.mdpi.com/1424-8220/25/2/507
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