Japanese opal glass

VIS-NIR region of the spectrum (Fig. 5). White glass materials, commonly known as opal glass —the most familiar of these are the so-called Russian Opal (also known as MS-20 milk glass) and Japanese opal glass—are also frequently used by manufacturers of color measurement instrumentation (Fig. 6). 

FiQ. 6. 8° Hemispherical reflectance factor for Russian opal (specular included and excluded) and Japanese opal glass. 

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See also in sourсe #XX -- [ ]

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