Active Terahertz Metamaterial for Biomedical Applications

Choudhury, Balamati; Menon, Arya; Jha, Rakesh Mohan

doi:10.1007/978-981-287-793-2

Cited by 9 publications

(1 citation statement)

References 28 publications

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“…The meta-surfaces and metamaterials with subwavelength-scaled and periodic patterns facilitate THz surface-cumulated EM waves on discontinuous metal surfaces, typically called plasmonic metamaterials, with artificial plasmonic frequencies that pass and reflect THz waves [ 10 ], respectively, in the high and low-frequency bands. For the development of THz plasmonic metamaterials as one inner reflector layer of the pipe waveguide materials, the simple and easily fabricated plasmonic metamaterials, such as the circular, square, and slot–hole arrays [ 11 ], are crucial due to the application purpose of a large-area operation.…”

Section: Introductionmentioning

confidence: 99%

Specularly-Reflected Wave Guidance of Terahertz Plasmonic Metamaterial Based on the Metal-Wire-Woven Hole Arrays: Functional Design and Application of Transmission Spectral Dips

et al. 2023

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Terahertz (THz) plasmonic metamaterial, based on a metal-wire-woven hole array (MWW-HA), is investigated for the distinct power depletion in the transmittance spectrum of 0.1–2 THz, including the reflected waves from metal holes and woven metal wires. Woven metal wires have four orders of power depletion, which perform sharp dips in a transmittance spectrum. However, only the first-order dip at the metal–hole–reflection band dominates specular reflection with a phase retardation of approximately π. The optical path length and metal surface conductivity are modified to study MWW-HA specular reflection. This experimental modification shows that the first order of MWW-HA power depletion is sustainable and sensitively correlated with a bending angle of the woven metal wire. Specularly reflected THz waves are successfully presented in hollow-core pipe wave guidance specified from MWW-HA pipe wall reflectivity.

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Section: Introductionmentioning

confidence: 99%