基于光子晶體納米梁腔的光學(xué)傳感器研究
本文選題:光子晶體納米梁腔 切入點(diǎn):光學(xué)傳感器 出處:《湘潭大學(xué)》2017年碩士論文
【摘要】:在眾多類型的微納諧振腔中,光子晶體納米梁腔(Photonic Crystal Nanobeam Cavity,PCNC)由于具有極高的品質(zhì)因子和極小的模體積,且同時(shí)具有尺寸小、功耗低、結(jié)構(gòu)簡(jiǎn)單、制備容易、易于與光波導(dǎo)耦合集成等獨(dú)特的優(yōu)點(diǎn),近年來(lái)被廣泛應(yīng)用于低闕值激光器、光學(xué)傳感器、光學(xué)開光和腔光力學(xué)系統(tǒng)等微納光子器件中。另一方面,光學(xué)傳感器在環(huán)境監(jiān)測(cè)、生物分子探測(cè)、臨床檢驗(yàn)、食品檢測(cè)、海洋探測(cè)等領(lǐng)域具有非常廣泛的應(yīng)用,深入研究光學(xué)傳感器的原理和應(yīng)用,研制新型高靈敏度高穩(wěn)定性光學(xué)傳感器,具有非常重要的實(shí)際意義和應(yīng)用價(jià)值。因此,尋求基于光子晶體納米梁腔的具有高靈敏度高可靠性的新型光學(xué)傳感器成為本文的研究出發(fā)點(diǎn)。本文首先介紹了光子晶體以及光子晶體納米梁腔,闡述了國(guó)內(nèi)外對(duì)基于光子晶體納米梁腔的光學(xué)傳感器的研究現(xiàn)狀及發(fā)展動(dòng)態(tài),然后對(duì)本文中所采用的主要計(jì)算方法如平面波展開法和時(shí)域有限差分法進(jìn)行了介紹,同時(shí)對(duì)用來(lái)描述光子晶體納米梁腔的光學(xué)性能和描述光學(xué)傳感器的傳感性能的重要參數(shù)如品質(zhì)因子、模體積和靈敏度等進(jìn)行了討論。在本文中我們提出并研究了一種基于有槽魚骨型光子晶體納米梁腔的新型光學(xué)傳感器。我們利用平面波展開法法對(duì)有槽魚骨型光子晶體納米梁周期性波導(dǎo)結(jié)構(gòu)的光子能帶結(jié)構(gòu)進(jìn)行了分析,對(duì)影響光子帶隙的結(jié)構(gòu)參數(shù)進(jìn)行了優(yōu)化,得到了具有較高光子帶隙的優(yōu)化后的結(jié)構(gòu)參數(shù);谶@些優(yōu)化后的結(jié)構(gòu)參數(shù),我們利用模式匹配理論設(shè)計(jì)了一種基于有槽魚骨型光子晶體納米梁腔的新型光學(xué)傳感器,并利用時(shí)域有限差分法對(duì)其光學(xué)特性和傳感性能進(jìn)行了研究。我們所設(shè)計(jì)的新型光學(xué)傳感器具有較高的品質(zhì)因子和靈敏度,同時(shí)其模體積非常小,靈敏度達(dá)到了約560nm/RIU,品質(zhì)因子達(dá)到了4.28×105,模體積則為30.0248(?n),表明我們所提出的光學(xué)傳感器具有非常優(yōu)良的光學(xué)特性和傳感性能,預(yù)期具有非常廣泛的應(yīng)用前景。另外,為了為將來(lái)的實(shí)驗(yàn)研究打下良好的基礎(chǔ),我們還對(duì)光子晶體納米梁腔在光學(xué)傳感器方面的實(shí)際應(yīng)用進(jìn)行了實(shí)驗(yàn)方面的探索。通過本文的研究,預(yù)期將為實(shí)際制備基于有槽魚骨型光子晶體納米梁腔及其他新型光子晶體納米梁腔的高靈敏度和高可靠性光學(xué)傳感器提供指導(dǎo),為實(shí)現(xiàn)光學(xué)傳感器的陣列化、多通道化和多用途化打下良好的基礎(chǔ)。
[Abstract]:In many kinds of micro / nano resonators, photonic Crystal Nanobeam cavity is easy to be prepared because of its high quality factor and very small mode volume, small size, low power consumption and simple structure. In recent years, it has been widely used in micro and nano photonic devices such as low threshold lasers, optical sensors, optical open light and cavity optomechanical systems, etc. On the other hand, optical sensors are used in environmental monitoring. Biomolecular detection, clinical testing, food detection, ocean detection and other fields have a very wide range of applications, in-depth study of the principle and application of optical sensors, the development of a new type of high sensitivity and high stability optical sensors, Has very important practical significance and application value. A new type of optical sensor with high sensitivity and high reliability based on photonic crystal nano-beam cavity has become the starting point of this paper. Firstly, the photonic crystal and photonic crystal nano-beam cavity are introduced in this paper. The research status and development trend of optical sensors based on photonic crystal nanoscale beam cavities are described in this paper. Then the main calculation methods such as plane wave expansion method and finite-difference time-domain method are introduced in this paper. At the same time, the important parameters, such as quality factor, are used to describe the optical properties of photonic crystal nano-beam cavity and the sensing performance of optical sensor. The mode volume and sensitivity are discussed. In this paper, we propose and study a new optical sensor based on the grooved fish bone photonic crystal nano-beam cavity. We use the plane wave expansion method to study the slotted fish bone light. The photonic band structure of the periodic waveguide structure of subcrystal nanocrystalline beams is analyzed. The structural parameters affecting the photonic band gap are optimized, and the optimized structural parameters with higher photonic band gap are obtained. A new type of optical sensor based on the grooved fish bone photonic crystal nano-beam cavity is designed based on the pattern matching theory. The optical properties and sensing properties of the sensor are studied by using the finite-difference time-domain method. The new optical sensor designed by us has high quality factor and sensitivity, and its mode volume is very small. The sensitivity of RIUis about 560 nm / r, the quality factor is 4.28 脳 10 ~ 5, and the mold volume is 30.0248? It shows that the proposed optical sensor has excellent optical properties and sensing properties, and it is expected to have a very wide application prospect. In addition, in order to lay a good foundation for the future experimental research, We also explore the practical application of photonic crystal nano-beam cavity in optical sensor. It is expected to provide guidance for the practical fabrication of high-sensitivity and high-reliability optical sensors based on grooved fishbone photonic crystal nano-beam cavities and other new photonic crystal nano-beam cavities, and to achieve the arraying of optical sensors. Multi-channel and multi-purpose lay a good foundation.
【學(xué)位授予單位】:湘潭大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:O734;TP212
【參考文獻(xiàn)】
相關(guān)期刊論文 前10條
1 陳園園;房英;黃閃紅;閻曉娜;施解龍;;Surface Tamm states in one-dimensional photonic crystals containing anisotropic indefinite metamaterials[J];Chinese Optics Letters;2013年06期
2 馮琛;馮國(guó)英;陳念江;周壽桓;;基于寬度拋物線型和漸變孔徑的超高Q低V一維光子晶體納米梁腔的設(shè)計(jì)[J];物理學(xué)報(bào);2012年13期
3 程陽(yáng);;1維全息光子晶體的偏振特性[J];激光技術(shù);2010年02期
4 唐軍;楊華軍;徐權(quán);廖建文;袁舒;胡渝;;傳輸矩陣法分析一維光子晶體傳輸特性及其應(yīng)用[J];紅外與激光工程;2010年01期
5 關(guān)春穎;史金龍;;光子晶體全角度反射器件的研究[J];應(yīng)用科技;2009年03期
6 房淑芬;李集思;蘇適;張漢壯;;一維光子晶體的禁帶特性[J];吉林大學(xué)學(xué)報(bào)(理學(xué)版);2009年01期
7 丁濤;劉占芳;宋愷;;三維光子晶體的制備[J];化學(xué)進(jìn)展;2008年09期
8 王海松;李康;孔凡敏;宋磊;梅良模;;高效多信道光子晶體濾波器的設(shè)計(jì)與仿真[J];光子學(xué)報(bào);2008年06期
9 孟慶生;歐陽(yáng)征標(biāo);王仲淳;吳志榮;劉宗平;羅賢達(dá);王宏;;一維光子晶體諧振腔的模式類型及其性質(zhì)[J];光學(xué)學(xué)報(bào);2007年07期
10 張瑞君;;光子晶體發(fā)光二極管[J];光子技術(shù);2005年04期
,本文編號(hào):1695058
本文鏈接:http://sikaile.net/kejilunwen/huaxue/1695058.html