Paper Title:
Terahertz Wave Properties of Ceramic Photonic Crystals with Graded Structure Fabricated by Using Micro-Stereolithography
  Abstract

Fabrication and terahertz wave properties of alumina micro photonic crystals with a diamond structure were investigated. The three-dimensional diamond structure was designed on a computer using 3D-CAD software. Acrylic diamond structures with alumina particles dispersion were formed by using micro-stereolithography. Fabricated precursors were dewaxed and sintered in the air. The electromagnetic wave properties were measured by terahertz time-domain spectroscopy. A complete photonic band gap was observed at the frequency range from 0.40 to 0.47 THz, and showed good agreement with the simulation results calculated by the plane wave expansion method. Moreover, a localized mode was obtained by introducing a plane defect between twinned diamond structures. The one-way transmission of the electromagnetic wave was realized by using this twinned photonic crystal with the graded diamond structure. They corresponded to the simulation by the transmission line modeling (TLM) method.

  Info
Periodical
Materials Science Forum (Volumes 631-632)
Edited by
Akira Kawasaki, Akinaga Kumakawa and Masayuki Niino
Pages
299-304
DOI
10.4028/www.scientific.net/MSF.631-632.299
Citation
S. Kirihara, T. Niki, M. Kaneko, "Terahertz Wave Properties of Ceramic Photonic Crystals with Graded Structure Fabricated by Using Micro-Stereolithography", Materials Science Forum, Vols. 631-632, pp. 299-304, 2010
Online since
October 2009
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$32.00
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