INFLUENCE OF DISTRIBUTION OF ACOUSTIC FIELD IN ACOUSTO-OPTIC CELL TO THE TRANSMISSION FUNCTION

摘要

The problem of transmission function side lobes suppression is discussed. The influence of acoustical field distribution on the apparatus function of AOTF is investigated. The optimal acoustic amplitudes for the case of piezotransducer divided into equal parts is calculated. The maximum side lobe level at different number of sections Is investigated. The role of spacing between the piezotransducer’s parts is estimated. The parallel scheme of section connections is presented. The first AO cell with voltage divider provides to optimal distribution of acoustic amplitude is manufactured.