A one dimensional photonic crystal made of metallic sheets provides a huge band gap which is omnidirectional for all angles of incidence. Parallel propagation of light yields the physics of surface plasmons in such systems.
© 2006 Optical Society of America
M. Bergmair and K. Hingerl, "Band Structure and Coupled Surface Plasmons in One Dimensional Photonic Crystals," in Frontiers in Optics, OSA Technical Digest (CD) (Optical Society of America, 2006), paper JWD24.
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