基于三维打印技术制备的太赫兹器件光学特性研究

发布时间：2018-02-03 15:07

本文关键词： 太赫兹波 3D打印技术光束转换轨道角动量异常透射　出处：《华中科技大学》2015年硕士论文　论文类型：学位论文

【摘要】：太赫兹波产生及探测技术的快速发展使得太赫兹波已被广泛应用于实际生活中,因此应用于太赫兹波段的光学器件研究愈发重要。最近,利用新型的三维打印技术制作太赫兹器件已成为一种新的研究思路。本论文主要围绕3D打印技术制作的太赫兹器件展开。以仿真结合实验的方法探索了打印制备的太赫兹器件的光学特性,论证了3D打印技术在太赫兹器件制作方面的应用前景。具体的研究内容有以下几个方面。首先,3D打印技术是一种新型快速成型技术。待制作的模型被划分为若干薄层,通过逐层叠加的方式生成立体实物。本论文对3D打印技术的特点、成型原理进行说明,详细论述了实际使用的Objet30三维打印机的打印分辨率、成型过程,对成型材料折射率的Z3测定过程与结果进行了重点介绍。其次,利用3D打印技术制作螺旋相位板等太赫兹折射型器件,并从仿真与实验两方面研究这些器件与太赫兹波的相互作用。根据仿真结果设计制作各器件,并与后续实验结果相对照。根据实验结果分析器件的光学特性与实用性。第三,利用3D打印技术制作太赫兹共振型器件,研究太赫兹波与亚波长周期性金属结构的相互作用。以仿真为主分析了结构在太赫兹频段的异常透射现象,简略研究了结构参数对透射谱的影响。以3D打印结合镀膜工艺制作牛眼结构实体,针对牛眼结构光学特性进行实验验证。最后,总结分析了论文相关的实验与应用技术,展望了3D打印技术制作太赫兹器件的研究方向。
[Abstract]:With the rapid development of terahertz wave generation and detection technology, terahertz wave has been widely used in real life, so it is more and more important to study the optical devices in terahertz wave band. It has become a new research idea to fabricate terahertz devices by using new 3D printing technology. This paper mainly focuses on the terahertz devices fabricated by 3D printing technology. The printing system is explored by means of simulation and experiment. The optical properties of the prepared terahertz device. The application prospect of 3D printing technology in the fabrication of terahertz devices is demonstrated. The specific research contents are as follows. First of all. 3D printing technology is a new rapid prototyping technology. The model to be made is divided into several thin layers and the solid object is generated by layer by layer superposition. The characteristics of 3D printing technology are discussed in this paper. The principle of molding is explained, and the printing resolution and molding process of the Objet30 3D printer used in practice are discussed in detail. The measurement process and results of refractive index of shaping materials are introduced in detail. Secondly, terahertz refractive devices such as helical phase plates are fabricated by 3D printing technology. The interaction between these devices and terahertz wave is studied from two aspects of simulation and experiment, and the devices are designed and fabricated according to the simulation results. According to the experimental results, the optical properties and practicability of the devices are analyzed. Thirdly, terahertz resonant devices are fabricated by 3D printing technology. The interaction between terahertz wave and subwavelength periodic metal structure is studied. The anomalous transmission phenomenon of the structure in terahertz band is mainly analyzed by simulation. The influence of structural parameters on transmission spectrum was studied briefly. The optical properties of bovine eye structure were verified by 3D printing and coating process. Finally. The related experiment and application technology are summarized and analyzed, and the research direction of 3D printing technology to fabricate terahertz devices is prospected.
【学位授予单位】：华中科技大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TP391.73;O441.4

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