https://scholars.lib.ntu.edu.tw/handle/123456789/120315
DC Field | Value | Language |
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dc.contributor | 曾雪峰 | en |
dc.contributor | 臺灣大學:光電工程學研究所 | zh_TW |
dc.contributor.author | 張維典 | zh |
dc.contributor.author | Chang, Wei-Tien | en |
dc.creator | 張維典 | zh |
dc.creator | Chang, Wei-Tien | en |
dc.date | 2007 | en |
dc.date.accessioned | 2007-11-25T23:47:27Z | - |
dc.date.accessioned | 2018-07-05T02:50:39Z | - |
dc.date.available | 2007-11-25T23:47:27Z | - |
dc.date.available | 2018-07-05T02:50:39Z | - |
dc.date.issued | 2007 | - |
dc.identifier | zh-TW | en |
dc.identifier.uri | http://ntur.lib.ntu.edu.tw//handle/246246/50887 | - |
dc.description.abstract | 本論文主要探討近場光學範疇裡的光奈米流(photonic nanojet)。簡而言之,近場光學為奈米尺度中各種光學作用的新領域,成立的條件在於量測距離遠小於所入射光波的波長時,因在近場中光波動性質尚未表現明顯,故不受傳統光學中的繞射極限所限制,因此可具有極高之空間解析度或分辨力。 本論文採用二維時域有限差分法(finite-difference time-domain),有系統的探討在各種不同參數影響之下,光波經微結構介值所產生之光奈米流特有的光場傳輸現象,以及分析其光強度 (intensity) 在近場範圍中的分佈特性與光場強度的增益作用。最後,再將光奈米流加入現在前瞻性的應用中如:光微影術及光偵測。 本文在研究內容上可分為以下三個部分: 1. 程式碼的驗證以及環境參數的建立。 2. 研究單一微結構之近場光強度分佈以及在垂直電場偏振方向上的截面積、幾何結構、介電常數變化對近場光場分佈的影響。 3. 應用光奈米流在光學偵測以及微影技術上去克服繞射極限的巨大障礙。 因此在可見光範圍內,光奈米流提供了一個新的方法去偵測小於光繞射極限的奈米粒子,比較目前常用的原子力顯微鏡(atomic force microscope, AFM)與掃描式電子顯微鏡(scanning electron microscope, SEM),其最大優點是不會對觀測物造成嚴重的破壞性,也因為如此而產生了有潛力的前瞻性應用。所以未來若使用光奈米流至目前的光學顯微鏡上,其可以用來偵測生物組織、病毒細胞、甚至可觀察微觀世界中的分子,此皆由於光奈米流能夠突破繞射極限,因此這對於未來在生醫領域、材料科學領域、細胞工程以及化學領域將會帶來莫大的發展。 | zh_TW |
dc.description.abstract | The near-field scattering properties of dielectric micro-cylinders are investigated using the FDTD method. In particular, physical phenomena involving localized photonic “nanojets” are explored. Firstly, it is shown that photonic nanojets exhibit waists as narrow as 40nm (smaller than the diffraction limit), and propagate over several optical wavelengths without significant diffraction. Secondly, by inserting a nanometer-scale particle at surface of a semi-cylinder, it is shown that a photonic nanojet increases the backscattering of visible light. Potential applications of this "super-enhanced” backscattering phenomenon include visible-light detection and characterization of nanoparticles as small as clusters of a few hundred atoms. Other potential applications include manipulation and modification of nanoparticles. Most importantly, the photonic nanojet provides a useful means to overcome the diffraction limit. | en |
dc.description.tableofcontents | 目錄 口試委員會審定書……………………………………………………Ⅰ 致謝……………………………………………………………………Ⅱ 中文摘要………………………………………………………………Ⅲ 英文摘要………………………………………………………………Ⅳ 目錄………………………………………………………………………Ⅴ 圖目錄……………………………………………………………………Ⅶ 表目錄…………………………………………………………………XI 1 第一章 簡介 1.1 沿革……………………………………………………………1 1.2 論文架構………………………………………………………2 1.3 文獻回顧………………………………………………………3 2 第二章 數值方法 2.1 時域有限差分法……………………………………………5 2.2 Yee演算法……………………………………………………8 2.3 穩定條件……………………………………………………13 2.4 全場/散射場…………………………………………………14 2.5 完美吸收邊界條件…………………………………………17 3 第三章 光奈米流之模擬與分析 3.1. 電磁波極化特性對於近場電場光強度分佈影響…………24 3.2. 折射率對於近場電場光強度分佈影響……………………25 3.3. 幾何結構的大小對於近場電場光強度分佈影響…………34 3.4. 幾何結構的形狀對於近場電場光強度分佈影響…………36 3.5. 波長對於近場電場光強度分佈影響…………………………41 4 第四章 光奈米流在光學偵測上的應用 4.1. 一般介值奈米粒子…………………………………………44 4.2. 金屬奈米粒子………………………………………………47 5 第五章 光奈米流在微影術上的應用 5.1. 簡述微影術…………………………………………………51 5.2. 光奈米流導入微影術………………………………………54 6 第六章 結論與未展望…………………………………65 參考文獻……………………………………………………………67 | zh_TW |
dc.format.extent | 24847728 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language | zh-TW | en |
dc.language.iso | en_US | - |
dc.subject | 近場 | en |
dc.subject | 時域有限差分法 | en |
dc.subject | near-field | en |
dc.subject | FDTD | en |
dc.subject | nanojet | en |
dc.title | 二維光奈米流之數值分析及其前瞻性的應用 | zh |
dc.title | 2D Numerical Analysis and Potential Applications of The Photonic Nanojet | en |
dc.type | thesis | en |
dc.identifier.uri.fulltext | http://ntur.lib.ntu.edu.tw/bitstream/246246/50887/1/ntu-96-R94941051-1.pdf | - |
dc.relation.reference | 參考書目: [1] M. A. Paesler and P. J. Moyer, Near-Field Optics: Theory Instrumentation, and Applications (Wiley, 1996). [2] A. Taflove and S. Hagness, Computational Electrodynamics: The Finite-Difference Time-Domain Method (Artech, Boston, MA, 2000) [3] J. F. Owen, R. K. Chang, and P. W. Barber, “Internal electric field distributions of a dielectric cylinder at resonance wavelengths,” Opt. Lett. 6, 540-542 (1981). [4] D. S. Benincasa, P. W. Barber, J.-Z. Zhang, W.-F. Hsieh, and R. K. Chang, “Spatial distribution of the internal and near-field intensities of large cylindrical and spherical scatters,” Appl. Opt. 26, 1348-1356 (1987). [5] C. L. Adler, J. A. Lock, B. R. Stone, and C. J. Garcia, “High-order interior caustics produced in scattering of a diagonally incident plane wave by a circular cylinder,” J. Opt. Soc. Am. A 14, 1305-1315 (1997). [6] J. A. Lock, C. L. Adler, and E. A. Hovenac, “Exterior caustics produced in scattering of a diagonally incident plane wave by a circular cylinder: semiclassical scattering theory analysis,” J. Opt. Soc. Am. A 17, 1846-1856 (2000). [7] Z. Chen, A. Taflove, and V. Backman, "Photonic nanojet enhancement of backscattering of light by nanoparticles: a potential novel visible-light ultramicroscopy technique," Opt. Express 12, 1214-1220 (2004) [8] X. Li, Z. Chen, A. Taflove, and V. Backman, "Optical analysis of nanoparticles via enhanced backscattering facilitated by 3-D photonic nanojets," Opt. Express 13, 526-533 (2005) [9] A. V. Itagi and W. A. Challener, "Optics of photonic nanojets," J. Opt. Soc. Am. A 22, 2847-2858 (2005). [10] G. Kattawar, C. Li, P. -W. Zhai, and P. Yang, "Electric and magnetic energy density distributions inside and outside dielectric particles illuminated by a plane electromagnetic wave," Opt. Express 13, 4554-4559 (2005) [11] Z. Chen, A. Taflove, X. Li, and V. Backman, "Superenhanced backscattering of light by nanoparticles," Opt. Lett. 31, 196-198 (2006) [12] Z. Chen, X. Li, A. Taflove, and V. Backman, "Backscattering enhancement of light by nanoparticles positioned in localized optical intensity peaks," Appl. Opt. 45, 633-638 (2006) [13] Yee, K. S., "Numerical solution of initial boundary value problems involving Maxwell's equations in isotropic media," IEEE Trans. Antennas Propagat., vol. 3, pp. 302--307, 1966. [14] A. Taflove, "Application of the finite-difference time-domain method to sinusoidal steady state electromagnetic penetration problems". Electromagnetic Compatibility, IEEE Transactions on 22: 191–202, 1980. [15] J.-P. Berenger, “A perfectly matched layer for the absorption of electromagnetic waves,” J. Comput. Phys 114, 185-200 (1994). [16] A. Heifetz, K. Huang, A. Sahakian, X. Li, A. Taflove, and V. Backman, "Experimental confirmation of backscattering enhancement induced by a photonic jet," Applied Physics Letters, vol. 89, 221118, Nov. 27, (2006). [17] Hermann A. Haus, Waves and Fields in Optoelectronics, (New Jersey, Prentice-Hall Inc., 1984). [18] P. B. Johnson and R. W. Christy, 'Optical constants of the noble metals,' Phys. Rev. B 6, 4370-4379 (1972). [19] S. -H. Chang, S. Gray, and G. Schatz, "Surface plasmon generation and light transmission by isolated nanoholes and arrays of nanoholes in thin metal films," Opt. Express 13, 3150-3165 (2005). [20] S. M. Mansfield and G. S. Kino, “Solid immersion microscope,” Appl. Phys. Lett. 57, 2615-2616 (1990) | zh_TW |
item.openairecristype | http://purl.org/coar/resource_type/c_46ec | - |
item.openairetype | thesis | - |
item.languageiso639-1 | en_US | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.fulltext | with fulltext | - |
Appears in Collections: | 光電工程學研究所 |
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ntu-96-R94941051-1.pdf | 23.31 kB | Adobe PDF | View/Open |
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