PROCESS AND A DEVICE FOR ERROR CORRECTION IN ACOUSTO-OPTIC DEFLECTION OF LIGHT BEAMS, PARTICULARLY OF LASER LIGHT

摘要

A process and a device for compensating wave-front errorsoccurring in acousto-optical deflectors, with at least oneauxiliary deflection means which produces a deflected beam whosegeometry is independent of the deflection angle and whichcounteracts the dependence of the deflected beam width on thedeflection angle (figure 5).