Citation: | CHEN Xiang-xue, FU Zi-qin, WANG Feng-chao, CHEN Jin, YANG Jing. Terahertz band-stop filter with H-type structure[J]. Chinese Optics, 2024, 17(4): 757-763. doi: 10.37188/CO.2023-0179 |
In this paper, a terahertz band-stop filter based on a symmetrical H-type structure was designed, the continuous metal arms of which can flow current. By using electromagnetic simulation software CST Microwave Studio 2021, the filtering characteristics of the filter were studied, and the geometric parameters of the filter were determined by changing the arm length, period length and gap of double H. The results show that the filter can realize the tunable polarization properties. Under the
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