Optics: measuring and testing – Of light reflection – With diffusion
Reexamination Certificate
2006-01-17
2006-01-17
Rosenberger, Richard A. (Department: 2877)
Optics: measuring and testing
Of light reflection
With diffusion
C356S600000
Reexamination Certificate
active
06987568
ABSTRACT:
An apparatus and method for measuring spatially varying bidirectional reflectance distribution function and method are provided. The apparatus and method provide means to illuminate different areas of a sample at different angles of incidence and detect the angular variation of radiation emitted from the sample in response to the illumination. The apparatus includes a paraboloidal reflector for delivering the illumination and receiving the radiation emitted by the sample, a radiation source for generating a beam of collimated radiation, a beam steering device for controlling the angle of incidence with which the focused cone of light strikes the sample, and a detector to receive the collected light from the reflector.
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Dann Dorfman Herrell & Skillman
Haun Niels
Rosenberger Richard A.
Rutgers The State University of New Jersey
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