Abstract
The principles of acoustooptic switching of two light beams of different wavelengths by means of an acoustooptic interaction with two acoustic waves are examined. A version in which the acoustic waves form parallelograms and a version with strictly orthogonal propagation are considered. The latter version is the more attractive one when a TeO2 single crystal is used as the acoustooptic cell. Experiments on the switching of two-color Ar laser radiation with wavelengths λ1=0.5145 and λ2=0.488 µm are carried out and demonstrate a high switching efficiency. On the whole, the experiment confirms the basic conclusions of the theory.
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