Frequency-Selective Surface Based on Negative-Group-Delay Bismuth–Mica Medium

Frequency-Selective Surface Based on Negative-Group-Delay Bismuth–Mica Medium

Negative group delay may be observed in dispersive media with anomalous dispersion in a certain frequency range. The fact that an outgoing wave packet precedes an incoming one does not violate the causality principle but is only a consequence of a waveform reshaping. This effect is observed in media...

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Bibliographic Details
Main Authors: Anton D. Zaitsev, Petr S. Demchenko, Natallya S. Kablukova, Anna V. Vozianova, Mikhail K. Khodzitsky
Format: Article
Language:English
Published: MDPI AG 2023-04-01
Series:Photonics
Subjects:
anomalous dispersion
bismuth
frequency-selective surface (FSS)
negative group delay (NGD)
numerical simulation
terahertz time-domain spectroscopy (THz TDS)
Online Access:https://www.mdpi.com/2304-6732/10/5/501

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https://www.mdpi.com/2304-6732/10/5/501

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