Influence of the surface termination to the point imaging by a photonic crystal slab with n.pdfVIP

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Influence of the surface termination to the point imaging by a photonic crystal slab with n.pdf

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Influence of the surface termination to the point imaging by a photonic crystal slab with n

Inﬂuence of the surface termination to the point imaging by a photonic crystal slab with negative refraction Sanshui Xiao, Min Qiu,∗ Zhichao Ruan, and Sailing He 5 0 Joint Research Center of Photonics of the Royal Institute 0 2 of Technology (Sweden) and Zhejiang University, p e Zhejiang University, Yu-Quan, 310027, S PR China, and Laboratory of Optics, 1 ] Photonics and Quantum Electronics, h p Department of Microelectronics and Information Technology, - s s Royal Institute of Technology (KTH), a l c Electrum 229, 16440 Kista, Sweden . s c (Dated: February 2, 2008) i s y Abstract h p Point imaging by a photonic crystal slab due to the negative refraction is studied theoretically. By [ 3 investigating the transfer function of the imaging system, the inﬂuence of the surface termination v 5 to the imaging quality is analyzed. It is shown that an appropriate surface termination is important 6 0 for obtaining an image of good quality. 2 1 3 0 / s c i s y h p : v i X r a ∗Electronic address: min@imit.kth.se 1 A photonic crystal [1, 2, 3] is an artiﬁcial structure which has a periodic arrangement of dielectric or metallic materials. Photonic crystals have been extensively studied for their unique optical properties. For instance, they may provide a possibility of forbidding light propagation within a frequency band, i.e., a photonic bandgap. So far, most of the studies in th