G - Physics – 01 – N
Patent
G - Physics
01
N
73/58
G01N 21/17 (2006.01) G01N 21/47 (2006.01)
Patent
CA 1153579
-17- "Optical reflection meter" ABSTRACT An optical reflection meter for making accurate and reproducible measurements on a translucent material. The meter is characterized in that the probe head comprises one optical measuring fibre; the geometry maintained relative to the surface being measured for illumination of said surface and for reception of the light reflected is 45° and 0°, respectively; the surface area to be measured, or frame of measurement, determined by said optical measuring fibre, being of the order of the depth of light penetration into the substance being measured, or less, and the portion of the surface to be measured illuminated by the optical illumination fibre, or frame of illumination, being of at least substantially the same size as the frame of measurement or larger.
368799
Borsboom Petrus C. F.
Bosch Jacobus J. T.
Fetherstonhaugh & Co.
Rijksuniversiteit Te Groningen
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