淡江大學機構典藏:Item 987654321/74122
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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/74122


    Title: 材料之非線性光學性質計算方法探討 : 改進二倍頻程式與實做三倍頻程式
    Other Titles: Methodology of calculating NLO properties of materials : improving a SHG code and implementing a THG code
    Authors: 李政勳;Li, Cheng-Shun
    Contributors: 淡江大學物理學系碩士班
    李明憲;Lee, Ming-Hsien
    Keywords: 三倍頻係數;非線性光學極化率;THG;Susceptibility
    Date: 2011
    Issue Date: 2011-12-28 18:06:13 (UTC+8)
    Abstract: 在我的論文中，會先介紹我所使用的第一原理計算工具CASTEP，以及了解二倍頻係數程式與其所採用的公式對照，以及它如何使用CASTEP的光學計算結果獲得二倍頻係數，進而使我了解要如何使用這光學計算結果應用在我要做的計算全頻譜的三倍頻係數程式，並且介紹程式中所使用到的近似或是轉換公式，最後再與其他研究群所做的結果做比較。
    In my thesis, I will first introduce CASTEP, a first principle calculation program. Then I will describe how I learned the relation between the equation of second harmonic generation (SHG) and the tool SHG code, and how to use it to obtain the SHG coefficients form a CASTEP optics calculation result. Finally, I use this experience to implement the equation of the third harmonic generation (THG) into a computer code. I will introduce the approximate or conversion formulas that I use in my code, and compare my results with them from other research groups.
    Appears in Collections:[Graduate Institute & Department of Physics] Thesis

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