Tunable terahertz fishnet metamaterial

Cheng Ling Chang; Wei Chih Wang; Hong Ren Lin; Feng Ju Hsieh; Yue Bun Pun; Chi Hou Chan

doi:10.1063/1.4801648

Tunable terahertz fishnet metamaterial

Cheng Ling Chang
, Wei Chih Wang
, Hong Ren Lin
, Feng Ju Hsieh
, Yue Bun Pun
, Chi Hou Chan

University of Washington
National Cheng Kung University
City University of Hong Kong

科研成果: 期刊稿件 › 文章 › 同行评审

46 引用（Scopus）

摘要

This paper describes and demonstrates a terahertz (THz) frequency tunable fishnet metamaterial (TFMM) using an electrically controlled polymer dispersed liquid crystal (PDLC) matrix. In contrast to other PDLC-based devices, the TFMM employs a novel method for encapsulating PDLC using a thin (1.5 μ m) polyimide skin layer to form a uniform surface for metal electrodes while minimizing the Fabry-Perot effect of the skin layer on the TFMM measurements. The tunability was verified by measuring the frequency shift in the reflection coefficient (0.01 THz), with an observed minimum negative refractive index of -15 at 0.55 THz.

源语言	英语
期刊论文编号	151903
期刊	Applied Physics Letters
卷	102
期	15
DOI	https://doi.org/10.1063/1.4801648
出版状态	已出版 - 15 4月 2013
已对外发布	是

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abstract = "This paper describes and demonstrates a terahertz (THz) frequency tunable fishnet metamaterial (TFMM) using an electrically controlled polymer dispersed liquid crystal (PDLC) matrix. In contrast to other PDLC-based devices, the TFMM employs a novel method for encapsulating PDLC using a thin (1.5 μ m) polyimide skin layer to form a uniform surface for metal electrodes while minimizing the Fabry-Perot effect of the skin layer on the TFMM measurements. The tunability was verified by measuring the frequency shift in the reflection coefficient (0.01 THz), with an observed minimum negative refractive index of -15 at 0.55 THz.",

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AU - Chang, Cheng Ling

AU - Wang, Wei Chih

AU - Lin, Hong Ren

AU - Ju Hsieh, Feng

AU - Pun, Yue Bun

AU - Chan, Chi Hou

PY - 2013/4/15

Y1 - 2013/4/15

N2 - This paper describes and demonstrates a terahertz (THz) frequency tunable fishnet metamaterial (TFMM) using an electrically controlled polymer dispersed liquid crystal (PDLC) matrix. In contrast to other PDLC-based devices, the TFMM employs a novel method for encapsulating PDLC using a thin (1.5 μ m) polyimide skin layer to form a uniform surface for metal electrodes while minimizing the Fabry-Perot effect of the skin layer on the TFMM measurements. The tunability was verified by measuring the frequency shift in the reflection coefficient (0.01 THz), with an observed minimum negative refractive index of -15 at 0.55 THz.

AB - This paper describes and demonstrates a terahertz (THz) frequency tunable fishnet metamaterial (TFMM) using an electrically controlled polymer dispersed liquid crystal (PDLC) matrix. In contrast to other PDLC-based devices, the TFMM employs a novel method for encapsulating PDLC using a thin (1.5 μ m) polyimide skin layer to form a uniform surface for metal electrodes while minimizing the Fabry-Perot effect of the skin layer on the TFMM measurements. The tunability was verified by measuring the frequency shift in the reflection coefficient (0.01 THz), with an observed minimum negative refractive index of -15 at 0.55 THz.

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JO - Applied Physics Letters

JF - Applied Physics Letters

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Tunable terahertz fishnet metamaterial

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