本文關(guān)鍵詞： 太赫茲波 3D打印技術(shù) 光束轉(zhuǎn)換 軌道角動量 異常透射　出處：《華中科技大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：太赫茲波產(chǎn)生及探測技術(shù)的快速發(fā)展使得太赫茲波已被廣泛應(yīng)用于實際生活中,因此應(yīng)用于太赫茲波段的光學(xué)器件研究愈發(fā)重要。最近,利用新型的三維打印技術(shù)制作太赫茲器件已成為一種新的研究思路。本論文主要圍繞3D打印技術(shù)制作的太赫茲器件展開。以仿真結(jié)合實驗的方法探索了打印制備的太赫茲器件的光學(xué)特性,論證了3D打印技術(shù)在太赫茲器件制作方面的應(yīng)用前景。具體的研究內(nèi)容有以下幾個方面。首先,3D打印技術(shù)是一種新型快速成型技術(shù)。待制作的模型被劃分為若干薄層,通過逐層疊加的方式生成立體實物。本論文對3D打印技術(shù)的特點、成型原理進行說明,詳細(xì)論述了實際使用的Objet30三維打印機的打印分辨率、成型過程,對成型材料折射率的Z3測定過程與結(jié)果進行了重點介紹。其次,利用3D打印技術(shù)制作螺旋相位板等太赫茲折射型器件,并從仿真與實驗兩方面研究這些器件與太赫茲波的相互作用。根據(jù)仿真結(jié)果設(shè)計制作各器件,并與后續(xù)實驗結(jié)果相對照。根據(jù)實驗結(jié)果分析器件的光學(xué)特性與實用性。第三,利用3D打印技術(shù)制作太赫茲共振型器件,研究太赫茲波與亞波長周期性金屬結(jié)構(gòu)的相互作用。以仿真為主分析了結(jié)構(gòu)在太赫茲頻段的異常透射現(xiàn)象,簡略研究了結(jié)構(gòu)參數(shù)對透射譜的影響。以3D打印結(jié)合鍍膜工藝制作牛眼結(jié)構(gòu)實體,針對牛眼結(jié)構(gòu)光學(xué)特性進行實驗驗證。最后,總結(jié)分析了論文相關(guān)的實驗與應(yīng)用技術(shù),展望了3D打印技術(shù)制作太赫茲器件的研究方向。
[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.
【學(xué)位授予單位】：華中科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TP391.73;O441.4

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