Spectral Tuning and Angular–Gap Interrogation of Terahertz Spoof Surface Plasmon Resonances Excited on Rectangular Subwavelength Grating Using Attenuated Total Reflection in Otto Configuration

Spectral Tuning and Angular–Gap Interrogation of Terahertz Spoof Surface Plasmon Resonances Excited on Rectangular Subwavelength Grating Using Attenuated Total Reflection in Otto Configuration

In this paper, we experimentally investigated the excitation of spoof surface plasmon polaritons (SSPPs) supported by a 1D subwavelength grating with a rectangular profile in the terahertz (THz) frequency range. Using the attenuated total reflection technique and the THz radiation of the Novosibirsk...

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Bibliographic Details
Main Authors: Oleg Kameshkov, Vasily Gerasimov, Boris Goldenberg, Vladimir Nazmov
Format: Article
Language:English
Published: MDPI AG 2025-06-01
Series:Photonics
Subjects:
attenuated total reflection
Otto configuration
spoof surface plasmon resonance
monochromatic radiation source
frequency tunability
angular and gap interrogation
Online Access:https://www.mdpi.com/2304-6732/12/7/651
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