Complex Doppler effect in left-handed metamaterials
David Ziemkiewicz, Sylwia Zieli\'nska-Raczy\'nska
TL;DR
This paper explores the complex Doppler effect in left-handed metamaterials, revealing reversed frequency shifts, multiple modes, and the impact of absorption through theoretical and numerical analysis.
Contribution
It introduces a theoretical and numerical study of the Doppler effect in left-handed metamaterials, highlighting reversed shifts and multiple frequency modes.
Findings
Reversed Doppler shift observed in metamaterials
Existence of multiple frequency modes
Absorption influences the Doppler effect
Abstract
The Doppler shift is investigated in one-dimensional system with moving source. Theoretical findings are confirmed in numerical simulations of optical and acoustical waves propagation in simple metamaterial model, showing the reversed shift and the existence of multiple frequency modes. The properties of these waves are discussed. The effect of absorption on the phenomenon is outlined.
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