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http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/45857
標題: | 優化多光雷射製造遠紫外線阿秒雷射 Creation and Optimization of Single Attosecond XUV Pulse by Multicolor Laser Pulses |
作者: | I-Lin Liu 劉怡麟 |
指導教授: | 朱時宜(Shih-I Chu) |
關鍵字: | 諧和製造, HHG, |
出版年 : | 2010 |
學位: | 碩士 |
摘要: | Extreme nonlinear optics happens when we turn up the focused laser power and electrons are literally ripped away from atoms by the laser field. An electron is stripped from an atom, gains energy, and releases this energy as a soft x-ray photon, this accumulated energy as a high-energy photon when it recombines with an ion. In the last ten years, scientists pay close attention to produce laser pulse in shorter length to observe the motion of electrons in atom and molecules. In this thesis, we present a simple and convenient method to generate an isolated attosecond pulse via HHG power spectra of hydrogen atom driven by three-color laser field. This special electric field is composed of three special ratio frequency (ω, ω/2 , 2ω/3 ) with the same laser intensity. The field can be used to produce a single attosecond XUV pulse with strong intensity. |
URI: | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/45857 |
全文授權: | 有償授權 |
顯示於系所單位: | 物理學系 |
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ntu-99-1.pdf 目前未授權公開取用 | 35.56 MB | Adobe PDF |
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