Defect Modes in 3D Photonic Crystal for Microwave Applications
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概要
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3D photonic crystals with a diamond structure, which are composed of the SiO2 coated TiO2 ceramic particles dispersed in an epoxy lattice, were fabricated by stereolithography. The diamond structure showed a photonic band gap in the 14.0-17.0 GHz range along Γ-X <100> direction. Lattice defects named `air cavity' were introduced into the diamond structure by removing a unit cell of diamond structure. Two types of air cavity, which were differed in the volume fraction, were also fabricated by stereolithography. The transmission of millimeter waves affected by multiple reflections at the air cavity was measured in the photonic band gap. When the volume fraction of the air cavity became larger, the resonant mode was shifted to the lower frequency range.
- 公益社団法人 日本セラミックス協会の論文
公益社団法人 日本セラミックス協会 | 論文
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