The refractive index of paper was determined by measuring the propagation delay of photons in optically cleared paper boards. The determination was based on the assumption that photon propagation delay achieves minimum value as the paper is optimally cleared. The measured paper sheets was made from elemental chlorine-free market pulp, i.e. fully bleached, unbeaten, softwood kraft pulp. Nine different clearing agents with a refraction index between 1.329 and 1.741 were eLuperimented with. According to the streakmem measurements, the refractive index of the test paper was 1.557.


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    Title :

    Determination of the refractive index of paper with clearing agents


    Contributors:

    Conference:

    International Conference on Lasers, Applications, and Technologies 2005: High-Power Lasers and Applications ; 2005 ; St. Petersburg,Russian Federation


    Published in:

    Publication date :

    2006-01-06





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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