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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 曾雪峰(Snow H. Tseng) | |
| dc.contributor.author | Cheng-Wei Ho | en |
| dc.contributor.author | 何承緯 | zh_TW |
| dc.date.accessioned | 2021-06-17T09:09:28Z | - |
| dc.date.available | 2020-11-04 | |
| dc.date.copyright | 2019-11-04 | |
| dc.date.issued | 2019 | |
| dc.date.submitted | 2019-10-15 | |
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/74881 | - |
| dc.description.abstract | 在本研究中，我們利用時域擬譜演算法模擬了非對稱光源微分相差顯微鏡的系統，並詳細分析探討三個在以此方法模擬相位成像時觀察到的現象，包括模擬使用介質的形狀造成差異、遠場與近場模擬的不同所造成的誤差以及吉布斯效應(Gibbs phenomenon)在模擬中的影響問題。三個現象的成因雖然各不相同，但是在詳加探討之後我們便能夠針對這些問題進行模型的改良，將造成的誤差消除或減小，以期能在數值模擬中重現微分相差式的光學系統。我們相信此法將大大幫助研究者改進微分相差顯微系統並建立更加完善、有效率的量化微分相位成像體系。 | zh_TW |
| dc.description.abstract | In this research, we simulated asymmetric illumination-based differential phase contrast (AIDPC) microscope with pseudospectral time-domain (PSTD) algorithm and analyzed several phenomena observed in our simulation. Specifically, we investigated the causes of simulation errors of phase distribution, including the difference between near and far field simulation, refraction caused by the media and Gibbs phenomenon effect. By analyzing these phenomena, we can develop new strategies to eliminate the errors and build a better model to improve differential phase contrast microscope. Furthermore, the reported simulation provides potential to optimize the optical system and facilitate new optical imaging strategies with quantitative differential phase contrast microscope. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-17T09:09:28Z (GMT). No. of bitstreams: 1 ntu-108-R06941037-1.pdf: 19397643 bytes, checksum: 109be0dd130b13ebd6fe8afa3bc3f341 (MD5) Previous issue date: 2019 | en |
| dc.description.tableofcontents | 口試委員會審定書
誌謝 i 中文摘要 ii 英文摘要 iii 目錄 iv 圖目錄 vi 表目錄 ix 第一章 簡介 1 1.1 相差成像背景介紹 1 1.2 研究動機與目的 4 1.3 論文結構 5 第二章 非對稱光源微分相差顯微鏡 6 2.1 微分相差成像 6 2.2 成像原理 8 2.3 非對稱光源修飾微分相差顯微術 14 2.4 微分相差技術與微分干涉對比技術差異 19 第三章 擬譜時域模擬法 22 3.1 擬譜時域演算法 22 3.2 奈奎斯特取樣定理 28 3.3 數值色散關係 33 3.4 單軸完美匹配層吸收邊界條件 37 3.5 擬譜時域法與時域有限差分法差異分析 42 第四章 模擬規劃與結果分析 44 4.1 一維相差成像 44 4.2 二維微透鏡成像探討 49 4.3 介質形狀影響 54 4.4 遠場近場差異 59 4.5 吉布斯效應 72 第五章 總結與未來展望 81 5.1 總結 81 5.2 未來展望 83 參考文獻 84 | |
| dc.language.iso | zh-TW | |
| dc.title | 初探以馬克士威方程式數值解模擬微分相差成像顯微術 | zh_TW |
| dc.title | Initial Attempt to Simulate the Phenomenon of Differential Phase Contrast Microscope based upon Numerical Solutions of Maxwell’s Equations | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 108-1 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 駱遠(Yuan Luo),陳士元(Shih-Yuan Chen) | |
| dc.subject.keyword | 擬譜時域法,微分相差成像,模擬誤差分析,吉布斯效應, | zh_TW |
| dc.subject.keyword | Pseudospectral time-domain algorithm,differential phase contrast microscope,simulation error,Gibbs phenomenon, | en |
| dc.relation.page | 87 | |
| dc.identifier.doi | 10.6342/NTU201904208 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2019-10-16 | |
| dc.contributor.author-college | 電機資訊學院 | zh_TW |
| dc.contributor.author-dept | 光電工程學研究所 | zh_TW |
| 顯示於系所單位： | 光電工程學研究所 | |
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