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Electromagnetic properties of photonic crystals with diamond structure containing defects

Published online by Cambridge University Press:  31 January 2011

Shingo Kanehira ,
Soshu Kirihara ,
Yoshinari Miyamoto ,
Kazuaki Sakoda  and
Mitsuo Wada Takeda
Shingo Kanehira
Affiliation:
Joining and Welding Research Institute, Osaka University, 11-1 Mihogaoka Ibaraki, Osaka 567-0047, Japan
Soshu Kirihara
Affiliation:
Joining and Welding Research Institute, Osaka University, 11-1 Mihogaoka Ibaraki, Osaka 567-0047, Japan
Yoshinari Miyamoto
Affiliation:
Joining and Welding Research Institute, Osaka University, 11-1 Mihogaoka Ibaraki, Osaka 567-0047, Japan
Kazuaki Sakoda
Affiliation:
National Institute for Materials Science, Tsukuba, Ibaraki 305-0003, Japan
Mitsuo Wada Takeda
Affiliation:
Department of Physics, Faculty of Science, Shinshu University, Matsumoto 390-8621, Japan
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Abstract

Three-dimensional photonic crystals with a diamond structure, which are composed of the TiO2-based ceramic particles dispersed in an epoxy lattice, were fabricated by stereolithography. The diamond structure showed a photonic band gap in the 14.3–17.0 GHz range along the Γ-K 〈110〉 direction, which is close to the band calculation using the plain wave expansion method. Two types of lattice defects—air cavity and dielectric cavity—were introduced into the diamond structure by removing a unit cell of diamond structure or inserting a block of the lattice medium into the air cavity. The transmission of millimeter waves affected by multiple reflections at the defects was measured in the photonic band gap. Resonant frequencies in the defects were calculated and compared with the measurement results.

Type
Articles
Information
Journal of Materials Research , Volume 18 , Issue 9 , September 2003 , pp. 2214 - 2220
Copyright
Copyright © Materials Research Society 2003

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References

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