Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Optical Properties of TeOx(2x One-dimensional Photonic Crystals

TeOx(22 1차원 광자결정의 광학 특성평가

  • Kong, Heon (Department of Advanced Chemicals and Engineering, Chonnam National University) ;
  • Yeo, Jong-Bin (School of Applied Chemical Engineering, Chonnam National University) ;
  • Lee, Hyun-Yong (School of Applied Chemical Engineering, Chonnam National University)
  • 공헌 (전남대학교 신화학소재공학과) ;
  • 여종빈 (전남대학교 응용화학공학부) ;
  • 이현용 (전남대학교 응용화학공학부)
  • Received : 2014.11.10
  • Accepted : 2014.11.24
  • Published : 2014.12.01
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Abstract

One-dimensional (1D) photonic crystals (PCs) were prepared by $TeO_x(2<x<3)/SiO_2$ with the difference refractive index, and fabricated by sputtering technique from a $TeO_2$ and $SiO_2$ target. The $TeO_x$(2$Ar:O_2=40:10$). A 10-pair $TeO_x(2<x<3)/SiO_2$ 1D PCs were fabricated with the structure parameters of filling factor=0.5185, and period=410 nm. The properties of 1D PCs with and without a defect layer were evaluated by UV-VIS-NIR. A normal mode 1D PC have a photonic band gap (PBG) in the near infrared (NIR) region from 1,203 to 1,421 nm. In the case of 1D PC containing a defect layer, a defect level appears at 1,291 nm. The measured transmittance (T) spectra are nearly corresponding to calculated results. After He-Cd laser exposure, the defect level is shifted from 1,291 nm to 1,304 nm.

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