The optical transmission of one dimensional photonic crystal (PC) containing TiO
2
and SiO
2
material with triply-periodical heterostructures was investigated by transfer matrix method. The results show that there are seven photonic band gap (PBG) in the range of 200~2 000 nm in PC
and the band gap width increases with the wavelength. The authors put emphasis on the relationship between the optical transmissionof this kind PCs and incident angle
layers of dielectric
as well as dielectric layer thickness. It is found that the width and position of band gap are sensitive to incident angle and dielectric layer thickness
but not periodic numbers.
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references
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