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標題Title: SIMULTANEOUS MEASUREMENT OF PATH-DEPENDENT PHASE
作者Authors: 涂瑞清,Hao-Yang Hong..等
上傳單位Department: 光電工程系
上傳時間Date: 2009-11-26
上傳者Author: 涂瑞清
審核單位Department: 光電工程系
審核老師Teacher: 涂瑞清
檔案類型Categories: 研討會報告Seminar Report
關鍵詞Keyword: homodyne interferometry
摘要Abstract: A new method is demonstrated for the first time for simultaneously measuring the phase-retardation difference between a transmitted light and a reflected light after passing through a beam splitter. The method is based on a dual-channel common-path homodyne interferometry with an integrated Zn-indiffused phase modulator for signal modulation. Our findings confirm that the proposed instrument successfully characterizes the path-dependent phase retardations. Finally, the average phase difference of 0.311 rad with standard deviation of 0.002 rad can be achieved within a measuring period of 60 seconds.

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2009_11_da0603bc.pdf 65Kb pdf 506 140
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