B. A. Brice and M. Halwer, "Determination of the Diffuse Transmittance of Opal Glass and the Use of Opal Glass as a Standard Diffusor in Light-Scattering Photometers," J. Opt. Soc. Am. 44, 340-340 (1954)
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Reference 1, Table I.
With fresh MgO surfaces in reference and comparison beams; interior of integrating sphere freshly coated with MgO; small corrections applied (reference 1, page 774) for displacement of opal glass from interior surface of sphere.
Table II
Comparison of opal glass transmitting diffusor (i=0°, α=180°) with reflecting diffusors (i=−45°, α=45°).
Absolute reflectance (reflectance relative to MgO in G. E. spectrophotometer times absolute reflectance of MgO).
Corrected for specular component of reflection by assuming (1−H/V)/(1+H/V) represents the ratio of specular to diffuse component.
Analyzer present (horizontal orientation) when determining G0/GR.
Tables (2)
Table I
Diffuse transmittance of opal glass plate (2.2 mm thick, exit face finely ground).
Reference 1, Table I.
With fresh MgO surfaces in reference and comparison beams; interior of integrating sphere freshly coated with MgO; small corrections applied (reference 1, page 774) for displacement of opal glass from interior surface of sphere.
Table II
Comparison of opal glass transmitting diffusor (i=0°, α=180°) with reflecting diffusors (i=−45°, α=45°).
Absolute reflectance (reflectance relative to MgO in G. E. spectrophotometer times absolute reflectance of MgO).
Corrected for specular component of reflection by assuming (1−H/V)/(1+H/V) represents the ratio of specular to diffuse component.
Analyzer present (horizontal orientation) when determining G0/GR.