Abstract

Instrumental effects which have previously been shown to cause systematic errors in laser light scattering studies of liquid surface fluctuations are reexamined. The resulting conclusions about experimental design, while different from those previously published, are entirely compatible with established experimental data. The theory of these instrumental effects is extended to include variation of scattered intensity with surface wave vector. This extension is shown to alter the systematic errors causing them to be much less than previously quoted for the recommended optical system.

© 1985 Optical Society of America

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