Acoustooptic device for conversion of images into electrical signals

Theoretical and experimental investigations were made of an acoustooptic light–signal converter in which the image is line-scanned by a traveling acoustic train. The maximum resolution was obtained for anisotropic diffraction of light at the Bragg angle close to zero. A description is given of a prototype of a converter made of a paratellurite crystal which can resolve an image with 510 pairs of elements in a line at the television scanning rate.