Terahertz Components by Additive Manufacturing: Material and Fabrication Characterizations Realized Through Bragg Structures

IF 3.9 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Terahertz Science and Technology Pub Date : 2024-06-26 DOI:10.1109/TTHZ.2024.3419080

C. Harrison Brodie;Isaac Spotts;Christopher M. Collier

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引用次数: 0

Abstract

This work explores Bragg structures and superstructures for the terahertz regime that are 3-D printed with two filament materials, i.e., high-impact polystyrene (HIPS) and cyclic olefin copolymer (COC). We show underlying frequency responses that come about due to the material absorption and chosen 3-D printing resolution. A terahertz time-domain spectroscopy analysis shows the favorable low absorption coefficient of COC filament material compared to that of HIPS filament material. Through a demonstration of terahertz Bragg superstructures for both HIPS and COC filament material, we show the contrast in performance and mitigation of undesired absorption for a terahertz photonic element made from COC filament material. The experimental results show agreement with a finite-difference time-domain simulation of the terahertz Bragg superstructures. Through a demonstration of terahertz Bragg structures for both HIPS and COC filament material, we show the effect of printing resolution (over 50–400 μm range) of the terahertz spectral response. Terahertz Bragg structures and superstructures made from COC filament material show great promise for rapid prototyping of terahertz photonic elements.

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通过增材制造实现太赫兹组件：通过布拉格结构实现材料和制造特性分析

这项研究探索了用两种长丝材料（即高抗冲聚苯乙烯（HIPS）和环烯烃共聚物（COC））进行三维打印的太赫兹机制布拉格结构和超结构。我们展示了由于材料吸收和所选 3-D 打印分辨率而产生的基本频率响应。太赫兹时域光谱分析显示，与 HIPS 长丝材料相比，COC 长丝材料的吸收系数更低。通过展示 HIPS 和 COC 灯丝材料的太赫兹布拉格超结构，我们显示了 COC 灯丝材料制成的太赫兹光子元件在性能上的对比和对不良吸收的缓解。实验结果与太赫兹布拉格上层结构的有限差分时域模拟结果一致。通过展示 HIPS 和 COC 灯丝材料的太赫兹布拉格结构，我们显示了印刷分辨率（50-400 μm 范围内）对太赫兹光谱响应的影响。用 COC 长丝材料制成的太赫兹布拉格结构和超结构为太赫兹光子元件的快速原型制造带来了巨大前景。

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来源期刊

IEEE Transactions on Terahertz Science and Technology ENGINEERING, ELECTRICAL & ELECTRONIC-OPTICS

CiteScore

7.10

自引率

9.40%

发文量

102

期刊介绍： IEEE Transactions on Terahertz Science and Technology focuses on original research on Terahertz theory, techniques, and applications as they relate to components, devices, circuits, and systems involving the generation, transmission, and detection of Terahertz waves.