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Doppler Effects: Normal Doppler Frequency Shift in Negative Refractive‐Index Systems (Laser Photonics Rev. 13(12)/2019)
Author(s) -
Lin Xiao,
Zhang Baile
Publication year - 2019
Publication title -
laser and photonics reviews
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.778
H-Index - 116
eISSN - 1863-8899
pISSN - 1863-8880
DOI - 10.1002/lpor.201970052
Subject(s) - doppler effect , photonics , optics , refractive index , physics , laser doppler velocimetry , doppler broadening , laser , spectral line , medicine , quantum mechanics , blood flow
In article number 1900081, Xiao Lin and Baile Zhang reveal a previously unreported phenomenon of normal Doppler frequency shifts in photonic systems with a negative refractive index. Such a counterintuitive phenomenon is intrinsically connected with the backward Cherenkov cone, and it further intrigues the exploration of potential connection between Doppler effects and other motion‐induced physical phenomena, e.g., transition radiation.