Magnetic-field tunable multichannel filter in a plasma photonic crystal at microwave frequencies

Tsung Wen Chang, Jia Ren Chang Chien, Chien Jang Wu*

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

25 引文 斯高帕斯(Scopus)

摘要

The microwave magnetic-field tunable filtering properties in a multichannel filter based on use of a one-dimensional finite magnetized plasma photonic crystal (PPC) are theoretically investigated. The considered PPC has a structure of air/(AB)N/air, where A is a dielectric layer, B is a plasma layer, and N is the stack number. First, in the absence of an externally applied magnetic field, the structure can work as a multichannel filter whose channel number is equal to N - 1 for N > 1. Next, in the presence of an externally applied field, the filtering properties become tunable, i.e., the channel frequencies can be shifted as a function of the applied magnetic field. We find that the effect of the magnetic field will cause the channel frequencies to be blue-shifted or red-shifted depending on the orientation of the applied magnetic field.

原文英語
頁(從 - 到)943-946
頁數4
期刊Applied Optics
55
發行號4
DOIs
出版狀態已發佈 - 2016 二月 1

ASJC Scopus subject areas

  • 原子與分子物理與光學
  • 工程(雜項)
  • 電氣與電子工程

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