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Measuring 2-D laser-beam phase and intensity profiles: a new technique

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Abstract

A new technique has been developed that uses an acoustooptic modulator, a heterodyne detector, and 2-D raster-scanning mirrors to characterize laser-beam quality. The technique is described, and its preliminary performance is discussed in relation to the real-time 2-D phase and intensity profiles it produces and the computer data processing performed on those profiles.

© 1984 Optical Society of America

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