以非線性光譜干涉技術量測晶體之相位匹配光譜

Measurement of Phase-Matching Spectral Phase by Nonlinear Spectral Interferometry

陳明馳(Ming-Chi Chen)

指導教授 ： 楊尚達

國立清華大學/電機資訊學院/光電工程研究所/碩士(2011年)

摘要

光譜干涉技術為一種線性的相位量測技術，藉著量測干涉頻譜及傅立葉轉換來還原出干涉儀兩臂的光頻譜相位差。本論文藉著此技術並配合寬頻光源與一薄非線性參考晶體，成功還原出待測准相位匹配光柵的頻譜相位，我們稱此新技術為非線性光譜干涉技術。此技術具有快速、靈敏、準確、非破壞性等優點，且據信為第一個可以得出准相位匹配光柵的頻譜相位的實驗方法。藉著量測出的頻譜相位與其功率頻譜結合，此技術甚至能還原出准相位匹配光柵的空間上的週期分佈。

關鍵字

相位量測 ； 光譜 ； 干涉頻譜 ； 非線性

並列摘要

無資料

並列關鍵字

phase measurement ； spectrum ； interferogram ； nonlinearity

參考文獻

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