淡江大學機構典藏:Item 987654321/106346
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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/106346


    Title: Characterizing surface of wood laminates by out-of-plane polarimetric light-scattering measurement
    Other Titles: 應用平面外偏振散射光量測木材表面特徵
    Authors: Liu, Cheng-Yang;Lin, Shih-Hsuan;劉承揚
    Keywords: light scattering;polarization;wood tissue
    Date: 2016-02
    Issue Date: 2016-04-22 13:46:55 (UTC+8)
    Publisher: ELSEVIER GMBH, URBAN & FISCHER VERLAG
    Abstract: The out-of-plane polarimetric imaging based on hemispherical light-scattering measurement for the wood laminates is presented. We constructed a goniometric polarized imaging system that is capable of capturing polarized light-scattering images. The backscattering of the wood surfaces is estimated with the use of out-of-plane laser illumination at three wavelengths (405 nm, 532 nm and 671 nm). The intensity distributions of polarized light scattered from the wood laminates are measured. The polarized light-scattering images are generated for each detecting direction and found to be capable of inspecting anisotropy of the wood surfaces including the year ring. The measurements yield angular dependence of bidirectional ellipsometric parameters for distinguishing wood textures. The experimental results help in the study of bidirectional ellipsometric parameters to scheme a new polarized imaging system and to classify the wood grain orientation.
    Relation: Optik-International Journal for Light and Electron Optics 127(4), p.2346-2353
    DOI: 10.1016/j.ijleo.2015.11.156
    Appears in Collections:[Graduate Institute & Department of Mechanical and Electro-Mechanical Engineering] Journal Article

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