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The calibration of standards for the measurement of specular reflectance with a microscope photometer
Author(s) -
Piller Horst
Publication year - 1981
Publication title -
journal of microscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.569
H-Index - 111
eISSN - 1365-2818
pISSN - 0022-2720
DOI - 10.1111/j.1365-2818.1981.tb02470.x
Subject(s) - specular reflection , photometer , calibration , optics , reflectivity , diffuse reflection , microscope , materials science , remote sensing , physics , geology , quantum mechanics
SUMMARY Solid standards with reliable reflectance references are of fundamental importance for exact measurements of specular reflectances of microscopical objects. The liquid surface is the utopia of surfaces sought as reference for the calibration of solid standards. However, there are difficulties in setting the measuring equipment and adjusting the liquid surface for the comparison with the solid body. In this paper, the ‘liquid’ method is described clearly for microscopists to consider.