Abstract
In our previous work(1), we reported on angular reflectance properties of a gold standard surface commonly used in a commercially available integrating sphere for infrared reflectance studies. It was noted that the gold standard photometric function, reflectance vs. angle from line of source, exhibited a large broad off spectral reflectance and the polarization ratio (SP/SS) is on the order of about 0.1. Clearly these characteristics are not a good approximation to a Lambertian reflector.
© 1991 Optical Society of America
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