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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/50998


    Title: Phase shifting grating-slit test with a cross slit
    Authors: Liang,CW;Ou,CF;Sasian,J
    Contributors: 光電科學與工程學系
    Date: 2010
    Issue Date: 2012-03-27 18:15:08 (UTC+8)
    Publisher: 國立中央大學
    Abstract: A general graphical convolution method for fringe analysis of testing methods that use a spatially incoherent light source is presented. Results are shown for the grating-slit test using optical narrow and cross slits. The convolution method shows that phase shifting grating-slit test can be done with the cross slit at the expense of a reduced fringe contrast ratio. A phase shifting measurement with a cross-slit modulator yields high measurement precision and validates our fringe contrast theory. (C) 2010 Optical Society of America
    Relation: OPTICS LETTERS
    Appears in Collections:[光電科學與工程學系] 期刊論文

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