| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Double Wire-Grid Terahertz Polarizer on Low-Loss Polymer Substrates |
| TIAN Dong-Bin1, ZHANG Huai-Wu1, LAI Wei-En1, WEN Qi-Ye1, SONG Yuan-Qiang1, WANG Zhi-Guo2 |
sup>1State 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
2Department of Applied Physics, University of Electronic Science and Technology of China, Chengdu 610054
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TIAN Dong-Bin, ZHANG Huai-Wu, LAI Wei-En et al 2010 Chin. Phys. Lett. 27 104210 |
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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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| Keywords:
42.25.Dd
42.79.Ci
47.54.Jk
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Received: 17 March 2010
Published: 26 September 2010
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| PACS: |
42.25.Dd
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(Wave propagation in random media)
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42.79.Ci
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(Filters, zone plates, and polarizers)
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47.54.Jk
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(Materials science applications)
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