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標題Title: A Novel Technique to Measure the Phase-Drift of an Optical Phase Modulator
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: Photorefractive effects, phase modulator, lithium niobate
摘要Abstract: We develop a measurement system with capabilities of phase unwrapping, real-time and long-term monitoring for measuring a phase-drift caused by photorefractive effects in lithium niobate phase modulators. To extract the phase-drift variations, the experimental setup uses a homodyne interferometer with a phase-modulation and a Fast Fourier Transform (FFT) demodulation schemes.

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