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ASTM E2387 PDF
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Standard Practice for Goniometric Optical Scatter Measurements
| Published by | Publication Date | Number of Pages |
| ASTM | 11/01/2019 | 14 |
ASTM E2387 – Standard Practice for Goniometric Optical Scatter Measurements
1.1 This practice describes procedures for determining the amount and angular distribution of optical scatter from a surface. In particular it focuses on measurement of the bidirectional scattering distribution function (BSDF). BSDF is a convenient and well accepted means of expressing optical scatter levels for many purposes. It is often referred to as the bidirectional reflectance distribution function (BRDF) when considering reflective scatter or the bidirectional transmittance distribution function (BTDF) when considering transmissive scatter.
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