發(fā)布時(shí)間：2018-07-29 19:49

【摘要】：與電磁波的波長(zhǎng)相當(dāng)?shù)奈⒔Y(jié)構(gòu)可以對(duì)電磁波進(jìn)行調(diào)制。這些調(diào)制產(chǎn)生了許多新的電磁現(xiàn)象:如金屬表面等離子激元(SPP)、光子晶體、光學(xué)禁帶效應(yīng)等。本論文主要基于研究微腔結(jié)構(gòu)對(duì)可見(jiàn)光的調(diào)制作用。通過(guò)分析和模擬光譜透射、反射的情況,進(jìn)行光譜調(diào)控器件設(shè)計(jì);通過(guò)磁控濺射,電子束蒸發(fā)等薄膜生長(zhǎng)技術(shù)進(jìn)行窄帶濾波片和超薄納米銀吸收層研究。我們所制備的光子器件在日常生活、建筑裝飾和光譜探測(cè)等眾多領(lǐng)域有著比較廣泛的應(yīng)用前景。本文的研究?jī)?nèi)容主要包括:(1)通過(guò)FDTD方法分析和計(jì)算基于光子晶體、微腔諧振器件的微納結(jié)構(gòu)光學(xué)設(shè)計(jì)。(2)通過(guò)組合刻蝕(鍍膜)的手段調(diào)控一維光子晶體中微腔的厚度,通過(guò)微腔諧振效應(yīng),改變器件對(duì)光的調(diào)控作用。我們的研究提供了一種簡(jiǎn)單、有效的方法來(lái)獲得多通道窄帶集成濾光片。(3)通過(guò)在銀鏡/SiO_2微腔結(jié)構(gòu)上鍍制超薄納米銀膜,實(shí)現(xiàn)吸收光譜的增強(qiáng)。通過(guò)改變銀鏡上二氧化硅厚度或者上層納米銀的厚度,超薄納米銀膜將顯示不同的顏色。通過(guò)組合鍍膜的方法,制作出集成彩色玻璃。
[Abstract]:Electromagnetic waves can be modulated by microstructures equivalent to the wavelength of electromagnetic waves. These modulation results in many new electromagnetic phenomena, such as metal surface plasma exciton (SPP), photonic crystal, optical band gap effect and so on. This thesis is mainly based on the study of the modulation effect of the microcavity structure on the visible light. By analyzing and simulating the transmission and reflection of the spectrum, the spectral control device is designed, and the narrow band filter and ultrathin silver absorption layer are studied by magnetron sputtering, electron beam evaporation and other thin film growth techniques. Our photonic devices have been widely used in many fields, such as daily life, architectural decoration and spectral detection. The main contents of this paper are as follows: (1) the optical design of micro-nano structure based on photonic crystal and cavity resonator is analyzed and calculated by FDTD method. (2) the thickness of microcavity in one-dimensional photonic crystal is controlled by combined etching (coating). The modulation effect of the device on the light is changed by the resonator effect of the microcavity. Our study provides a simple and effective method to obtain multi-channel narrow-band integrated filters. (3) the absorption spectra are enhanced by plating ultrathin nano-silver films on the silver mirror / SiO2 microcavity structure. By changing the thickness of silica on the silver mirror or the thickness of the silver nanoparticles in the upper layer, the ultrathin nano-silver film will show different colors. The integrated colored glass was made by the method of combined coating.
【學(xué)位授予單位】：上海師范大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類(lèi)號(hào)】：O734;O441

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本文編號(hào)：2153802