Bilayer-fish-scale ultrabroad terahertz bandpass filter |
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| Authors: | Zhang Xueqian Gu Jianqiang Cao Wei Han Jiaguang Lakhtakia Akhlesh Zhang Weili |
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| Affiliation: | Center for Terahertz Waves and College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, China. |
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| Abstract: | A bilayer fish-scale metamaterial is experimentally demonstrated to function as a broad bandpass filter in the terahertz regime. The measured 3 dB-bandwidth for normal incidence is 1.13 THz with a high transmittance. The measured transmission spectrum is described well by a model based on an RLC circuit and multiple reflections. The filter is relatively insensitive to incidence angles up to 45°. |
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