Abstract

The BRDF values of a special, striated gold sample at 10.6 and 118 μm were measured. For 118-μm radiation the values decrease from ββ0 = 0.1 to 1 for both orientations, but the vertical orientation of stria always produces a higher value. At 10.6 μm the horizontal orientation produces BRDF values that start at ~10−2 at 0.1 and decrease to ~5 × 10−4 at 1. The vertical orientation generates curves that are considerably higher.

© 1982 Optical Society of America

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