Photonic crystal spherical mirrors based on the one-dimension omnidirectional reflection of photonic crystal

A photonic crystal spherical mirror based on the one-dimension omnidirectional reflection of photonic crystal is presented. The results show that when the diffractive index of two materials is 1.6 (polystyrene) and 4.6 (tellurium) respectively, and the corresponding optimized thickness is 0.75a and...

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Bibliographic Details
Main Authors: Liang Wang, Shuping Li, Chengxin Cai, Xugang Cui, Yongbin Niu, Peixue Wu
Format: Conference Proceeding
Language:English
Subjects:
Crystalline materials
Dielectric materials
Diffraction
Frequency
Mirrors
Nonhomogeneous media
Omnidirectional reflection band
Optical reflection
Photonic crystal
Photonic crystals
Refractive index
Spherical mirror
Tellurium
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Summary:A photonic crystal spherical mirror based on the one-dimension omnidirectional reflection of photonic crystal is presented. The results show that when the diffractive index of two materials is 1.6 (polystyrene) and 4.6 (tellurium) respectively, and the corresponding optimized thickness is 0.75a and 0.25a. And a very high reflectance over wide frequency ranges is observed. In the omnidirectional reflection band, the more than 70 and 80 percent of the light are contained within the central core and circle bounded by the second dark ring of he diffraction pattern respectively.
ISSN:2158-7434
DOI:10.1109/OPEE.2010.5508116