概括
我们开发了一种简单,低成本的方法,使用纸制造独立的太赫兹 (THz) 带通波器. 这些过器提供高传输和窄带宽,使它们成为THz系统的理想选择.
科学领域:
- 光学和光子学 在光学和光子学.
- 材料科学 材料科学 材料科学
- 电气工程 电气工程
背景情况:
- 太赫兹 (THz) 过器对于天文学探测和无线通信等应用至关重要.
- 独立的带通波器 (BPF) 避免了基板诱导的法布里-佩罗特效应,从而使级的THz元表面成为可能.
- 独立的THzBPF的传统制造方法是昂贵的,并导致脆弱的设备.
研究的目的:
- 为独立的THz带宽波器展示一个具有成本效益和强大的制造方法.
- 使用纸设计和制造具有特定性能特性的THzBPF.
- 为了研究制造过器的极化不敏感性.
主要方法:
- 采用了使用 (Al) 片的新制造技术.
- 一系列THz BPFs的中心频率低于2 THz的设计和制造在不同厚度的2英寸Al片上.
- 过器的几何结构被优化,以实现所需的光学特性.
主要成果:
- 制造的THz BPF实现了高传输系数 (T),在中心频率上超过92%.
- 获得了9%的狭窄的相对全宽半最大值 (FWHM),表明出色的频率选择性.
- 交叉形的过器结构对发生的THz波的偏振方向表现出不敏感.
结论:
- 开发的基于的制造工艺为生产独立的THz BPF提供了一个简单而低成本的替代方案.
- 这些过器的高性能和稳定性表明它们有可能在各种THz系统中得到广泛采用.
- 这种方法解决了传统制造的局限性,为更容易获得的THz技术铺平了道路.
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