Reversed and Anomalous Doppler Effects in Photonic Crystals and other Time-dependent Periodic Media |
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| Authors: | Evan J. Reed, Marin Solja
i&#x , Mihai Ibanescu J. D. Joannopoulos |
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| Affiliation: | (1) Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA;(2) Lawrence Livermore National Laboratory, Livermore, CA 94550, USA |
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| Abstract: | We predict that reversed and anomalous non-relativistic Doppler shifts can be observed under some circumstances when light reflects from a shock wave front propagating through a photonic crystal, or material with a periodic modulation of the dielectric. This theoretical prediction is generalizable and applies to wave-like excitations in a variety of periodic media. An experimental observation of this effect has recently been made (Seddon, N. and Bearpark, T. Science, 302 (2003) 1537) and we provide a brief discussion of this experiment. |
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| Keywords: | Doppler effect photonic crystal shock wave |
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