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Terahertz Metamaterial Modulator Based on Vanadium Dioxide
  • ISSN号：1674-862X
  • 期刊名称：《电子科技学刊：英文版》
  • 时间：0
  • 分类：O484.4[理学—固体物理;理学—物理] TN713.5[电子电信—电路与系统]
  • 作者机构：[1]Institute of Modern Optics, Nankai University, Tianjin 300071, China, [2]School of Electronics and Information Engineering, Tianjin Polytechnic University, Tianjin 300387, China
  • 相关基金：This work has been supported by the National High Technology Research and Development Program of China （No.2011AA010205）, the Na- tional Natural Science Foundation of China （Nos.61171027 and 10904076）, and the Tianjin City High School Science ＆ Technology Fund Plan- ning Project （No. 20120706）.
作者： Ji-Ning Li Wei Li Sheng-Jiang Chang[1]
关键词： VO2薄膜, 带通滤波器, 太赫兹波, 可调谐, 金属相变, 二氧化钒, 温度变化, 夹层结构, Modulation, Thin films
中文摘要：

A terahertz bandpass filter with the sandwich structure consisting of thermally tunable vanadium dioxide(VO2) thin film,silica substrate and subwavelength rectangular Cu hole arrays is designed and theoretically analyzed.The results show that the transmittance of the filter can be actively tuned by controlling the temperature of VO2,the narrow band terahertz(THz) waves with the transmittance from 85.2% to 10.5% can be well selected at the frequency of 1.25 THz when the temperature changes from 50 ℃ to 80 ℃,and the maximum modulation depth of this terahertz bandpass filter can achieve 74.7%.

英文摘要：

A terahertz bandpass filter with the sandwich structure consisting of thermally tunable vanadium dioxide （VO2） thin film, silica substrate and subwavelength rectangular Cu hole arrays is designed and theoretically analyzed. The results show that the transmittance of the filter can be actively tuned by controlling the temperature of VO2, the narrow band terahertz （THz） waves with the transmittance from 85.2% to 10.5% can be well selected at the frequency of 1.25 THz when the temperature changes from 50 ℃ to 80 ℃, and the maximum modulation depth of this terahertz bandpass fil- ter can achieve 74.7%.

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期刊信息
  • 《电子科技学刊：英文版》
  • 主管单位:
  • 主办单位:电子科技大学
  • 主编：周小佳
  • 地址：成都市建设北路
  • 邮编：610054
  • 邮箱：journal@westc.edu.cn
  • 电话：028-83200028
  • 国际标准刊号：ISSN：1674-862X
  • 国内统一刊号：ISSN：51-1724/TN
  • 邮发代号:62-268
  • 获奖情况:
  • 第二届中国高校特色科技期刊奖
  • 国内外数据库收录:
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  • 被引量:6