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2010 Volume 26 Issue 10
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2010: Double Wire-Grid Terahertz Polarizer on Low-Loss Polymer Substrates, Chinese Physics Letters, 27(10): 125-127.
Citation: 2010: Double Wire-Grid Terahertz Polarizer on Low-Loss Polymer Substrates, Chinese Physics Letters, 27(10): 125-127.
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Double Wire-Grid Terahertz Polarizer on Low-Loss Polymer Substrates

  • State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Microelectronic and Solid-state Electronic, University of Electronic Science and Technology of China, Chengdu 610054

  • Department of Applied Physics, University of Electronic Science and Technology of China, Chengdu 610054

  • A double-wire-grid polarizer was fabricated on both sides of a low-loss polythene film by simple electroplating and photolithographic micro-processing techniques. The performances of the polarizer were measured using a terahertz time-domain spectrometer (THz-TDS). The transmittance is more than 70%and below 2%in the parallel and perpendicular directions of the polarizer, respectively. The extinction ratio is better than 22 dB in the broad frequency range of 0.5–3 THz, which is higher than the conventional free-standing polarizer in the high frequency region.
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通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Double Wire-Grid Terahertz Polarizer on Low-Loss Polymer Substrates

Abstract: A double-wire-grid polarizer was fabricated on both sides of a low-loss polythene film by simple electroplating and photolithographic micro-processing techniques. The performances of the polarizer were measured using a terahertz time-domain spectrometer (THz-TDS). The transmittance is more than 70%and below 2%in the parallel and perpendicular directions of the polarizer, respectively. The extinction ratio is better than 22 dB in the broad frequency range of 0.5–3 THz, which is higher than the conventional free-standing polarizer in the high frequency region.

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