Optics: measuring and testing – Of light reflection – With diffusion
Patent
1987-10-09
1989-03-28
Rosenberger, Richard A.
Optics: measuring and testing
Of light reflection
With diffusion
350619, G01N 2147
Patent
active
048158585
ABSTRACT:
Systems for measuring the diffuse reflectances of various samples are constructed to include a primary mirror (e.g., an ellipsoidal mirror) and a secondary mirror (e.g., a compound parabolic concentrator) cooperating with a radiation source and a radiation detector.
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Lesniak Andrew M.
McDonnell Thomas E.
Rosenberger Richard A.
The United States of America as represented by the Secretary of
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