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Near-Infrared Imaging Method for Measuring the Thickness of Water-Dilutable Turbid Layers

机译:测量水稀释混浊层厚度的近红外成像方法

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摘要

In this article, we report on a rapid infrared imaging method to measure the thickness and uniformity of water-dilutable two-dimensional macroscopic liquid objects. The method is based on the near-infrared absorption of water at 1440 nm or 1930 nm wavelength. As an example, the method is applied for nondestructive inspection of the thickness and uniformity of polyvinyl (PV)-based polyvinyl alcohol (PVA) and polyvinyl acetate (PVAc) adhesives, which are used in wood products. The method was also found to be able to observe the drying process of the adhesives.
机译:在本文中,我们报告了一种快速红外成像方法,用于测量可水稀释的二维宏观液态物体的厚度和均匀性。该方法基于波长为1440 nm或1930 nm的水的近红外吸收。例如,该方法适用于木质产品中使用的聚乙烯基(PV)基聚乙烯醇(PVA)和聚乙酸乙烯酯(PVAc)粘合剂的厚度和均匀性的无损检测。还发现该方法能够观察粘合剂的干燥过程。

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  • 来源
    《Journal of Imaging Science and Technology》 |2014年第1期|010503.1-010503.4|共4页
  • 作者单位

    Institute of Photonics, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland;

    Institute of Photonics, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland;

    Institute of Photonics, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland;

    Palomaeentie 4, FI-88620 Korholanmaeki, Finland;

    Institute of Photonics, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland;

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