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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/28150


    Title: Self-calibration of a phase-shifting adapter for Fizeau interferometers
    Authors: Ouyang,Y;Ou-Yang,M;Chou,HC
    Contributors: 光電科學研究所
    Date: 2009
    Issue Date: 2010-06-29 19:42:33 (UTC+8)
    Publisher: 中央大學
    Abstract: Phase-shifting interferometers with three piezoelectric transducers (PZTs) on their phase-shifting adapter (PSA) are widely used in precision measurement. The guarantee of the PSA to stretch as a flat is very important to the accuracy of the measurement. In this paper, we propose a systematic self-calibration method to calibrate the different displacements of the PZTs so that the PSA can be moved evenly as a flat. The proposed method uses only the interference patterns to calibrate the three PZTs and information about the exact position of the PZTs and the instrument parameters of the interferometer are not required. Experimental results show that, after calibration by the proposed method, the deviation of the measured phase shift error could be reduced about 43.1 times from 3.492 to 0.081A degrees.
    Relation: OPTICAL REVIEW
    Appears in Collections:[光電科學研究所] 期刊論文

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