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Proceedings Article

Broad flattop transparent photonic band in truncated photonic crystals composed of the symmetric unit cell

[+] Author Affiliations
Guiqiang Du, Tianlin Yang, Zhongchen Wu, Shumei Song, Yanhui Li, Maoshui Lv

Shandong Univ. at Weihai (China)

Lixin Li, Liwei Zhang, Junfang Zhao

Henan Polytechnic Univ. (China)

Haitao Jiang, Yunhui Li

Tongji Univ. (China)

Proc. SPIE 7995, Seventh International Conference on Thin Film Physics and Applications, 79950B (February 17, 2011); doi:10.1117/12.888196
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From Conference Volume 7995

  • Seventh International Conference on Thin Film Physics and Applications
  • Junhao Chu; Zhanshan Wang
  • Shanghai, China | September 24, 2010

abstract

We theoretically show that a one-dimensional finite all-dielectric periodic structure composed of symmetric unit cells can possess a broad flattop transparent photonic band. In contrast to the conventional viewpoint that the thickness of the truncated photonic crystals affects the transmission within the pass band, the transparent photonic band is insensitive to the change of the periodic number since the equivalent refractive indices of our structures can be nearly equal to that of the background in a wide frequency range. With easy fabrication, this broad flattop transparent photonic band will play an important role in the broadband filtering.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Guiqiang Du ; Lixin Li ; Haitao Jiang ; Yunhui Li ; Liwei Zhang, et al.
"Broad flattop transparent photonic band in truncated photonic crystals composed of the symmetric unit cell", Proc. SPIE 7995, Seventh International Conference on Thin Film Physics and Applications, 79950B (February 17, 2011); doi:10.1117/12.888196; http://dx.doi.org/10.1117/12.888196


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