Abstract

Forward scattering by a sphere located anywhere in a Gaussian beam is calculated by using a simple numerical model based on the Fraunhofer approximation. Comparison to experimental results obtained for glass particles placed in a He–Ne laser beam shows excellent agreement. Computed diffraction patterns are displayed for centered and off-centered particles.

© 1986 Optical Society of America

Forward scattering of a Gaussian beam by a nonabsorbing sphere

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