Direct observations for the superprism effect in photonic crystals utilizing negative refraction

S. Y. Yang, J. Y. Wu, H. E. Horng, Chin Yih Hong, H. C. Yang

研究成果: 雜誌貢獻文章

4 引文 斯高帕斯(Scopus)

摘要

In this work, we experimentally explored the negative-refraction superprism effect in photonic crystals by investigating the frequency-dependent negative refractive index of photonic crystals at microwave frequencies from 8.2 to 8.4 GHz. By detecting the spatially distributed intensity of a transmitted microwave whose incident angle is well controlled, we determined the propagating path, the refractive angle, and the refractive index of the transmitted microwave. The highly dispersive relationship between the negative refractive index and the frequency of microwave observed indicates potential applicability of this method for being used in a microwave wavelength demultiplexer by utilizing the negative-refraction superprism effect in photonic crystals.

原文英語
文章編號053110
期刊Journal of Applied Physics
103
發行號5
DOIs
出版狀態已發佈 - 2008 三月 24

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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