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首页> 外文期刊>Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter >A new fold-cross metal mesh filter for suppressing side lobe leakage in terahertz region
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A new fold-cross metal mesh filter for suppressing side lobe leakage in terahertz region

机译：用于抑制太赫兹地区侧瓣泄漏的新折叠式金属网滤清器

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In this paper we propose a new type of fold-cross metal mesh band pass filter, which keeps diffraction side lobe far away from the main transmission peak and shows much better side lobe suppression. Both experimental and theoretical studies are made to analyze the mechanism of side lobe. Compared to the traditional cross filter, the fold-cross filter has a much lower side lobe with almost the same central frequency, bandwidth and highest transmission about 98%. Using the photolithography and electroplating techniques, we experimentally extend the distance between the main peak and diffraction side lobe to larger than 1 THz for the fold-cross filter, which is two times larger than the cross filter while maintaining the main peak transmissions of 89% at 1.25 THz for the two structures. This type of single layer substrate-free fold-cross metal structure shows better design flexibility and structure reliability with the introduction of fold arms for metal mesh band pass filters. (C) 2017 Elsevier B.V. All rights reserved.
机译：在本文中，我们提出了一种新型的折叠式金属网带通滤波器，使衍射侧叶远离主传动峰值，并显示出更好的侧凸抑制。进行实验和理论研究，以分析侧叶的机制。与传统的交叉过滤器相比，折叠交叉过滤器具有远下侧叶，具有几乎相同的中央频率，带宽和最高传输约98％。使用光刻和电镀技术，我们通过实验延伸到折叠交叉过滤器的主峰和衍射侧叶之间的距离大于1 ZHz，这比交叉过滤器大的两倍，同时保持主峰传输为89％在两种结构的1.25THz。这种类型的单层基材折叠式折叠金属结构表明，由于金属网带通滤器的折叠臂引入了更好的设计灵活性和结构可靠性。 （c）2017年Elsevier B.V.保留所有权利。

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