期刊
OPTICS EXPRESS
卷 15, 期 22, 页码 14363-14368出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.15.014363
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We propose a novel broad-angle polarization beam splitter utilizing the spatial dispersion of a special multi-layered dielectric periodic structure. The equal-frequency contours of this structure are flat lines for TE polarization but curved lines for TM polarization at a designed frequency. This special multi-layered structure has a fixed optical thickness for TE polarization for all incident angles. A polarization beam splitter working over a broad range of angle (from 0 degrees to 70 degrees) is achieved by stacking two such multi-layered structures of finite length (in the normal direction) with a half-period shift in the transverse direction. (C) 2007 Optical Society of America.
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