| 摘要 |
PROBLEM TO BE SOLVED: To accurately measure the haze ratio of a transparent substrate even when the substrate has the peak of light scattering intensity in a wavelength region apart from the visual center wavelength seen in a transparent body containing scattered fine particles. SOLUTION: The total light transmittance T1 and diffused light transmittance T2 of the transparent substrate at every wavelength are measured by using an integrating sphere and the haze ratio (%) of the substrate at every wavelength is found based on T2/T1×100 (%).
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