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25 June 2007Wave propagation in self-waveguiding and negative refracting photonic crystals
Recently the fundamentals of photonic crystal physics have experienced a revival due to investigations on new structures
possessing properties such as selfwaveguiding and negative refraction. In this communication we present a theory that
gives account of observed total internal reflection beam shifts on the surface of a selfwaveguiding crystal and compare
its analogy and differences with the classical Goos-Hanchen shift. We also investigate the phenomenon of surface wave
resonance excitation in slabs of these arrays as well as those capable of producing images through negative refraction
when cut in a slab shape. A discussion is made of the dispersion relation of these surface waves on comparison with
those of both metals and left handed materials, and its consequences for obtaining superfocusing.
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J. L. Garcia-Pomar, M. Nieto-Vesperinas, "Wave propagation in self-waveguiding and negative refracting photonic crystals," Proc. SPIE 6593, Photonic Materials, Devices, and Applications II, 659317 (25 June 2007); https://doi.org/10.1117/12.723133