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- W2890638430 abstract "The photonic crystals possess complex dispersion relation and the unusual dispersion leads to negative refraction. Based on negative refraction, three main physical phenomena, negative Goos–Hanchen displacement, inverse Doppler effect and abnormal Cherenkov radiation have been proposed. In this work, two abnormal physical phenomena are discussed. Firstly, the negative Goos–Hanchen shift displacement is simulated by using common FDTD method. The negative displacement is measured experimentally at the wavelength of 10.6 μm. Secondly, a novel phenomenon, the dual Doppler effect, in the simultaneous occurrence of both normal and inverse Doppler effect in one moving two-dimensional wedge-type photonic crystal with negative index is investigated by using spatial Fourier Transformation. This phenomenon is also simulated by an improved FDTD method. The results have potential applications in precision measurement, cloaking, sensor, radar deception and so on." @default.
- W2890638430 created "2018-09-27" @default.
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- W2890638430 date "2018-09-04" @default.
- W2890638430 modified "2023-09-25" @default.
- W2890638430 title "Two abnormal physical effects in negative index photonic crystals" @default.
- W2890638430 doi "https://doi.org/10.1117/12.2320064" @default.
- W2890638430 hasPublicationYear "2018" @default.
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