St. Petersburg Polytechnic University Journal: Physics and Mathematics Научно-технические ведомости СПбГПУ. Физико-математические науки 2304-9782, 2618-8686, 2405-7223 17 The nonlinearity influence of acousto-optic interaction in the paratellurite modulator on the formation of harmonious signals imaging Влияние нелинейности акустооптического взаимодействия в модуляторе из парателлурита на формирование изображения гармонических сигналов Mokrushin Yuri yrmok@yandex.ru 10 12 2011 4 134 118 129

The influence of acousto-optical nonlinearity on diffraction efficiency at the high amplitude ultrasonic signals is investigated theoretically. Waveform distortion in the light image formed by paratellurite acousto-optical modulator is considered.

 acousto-optical interaction diffraction efficiency modulator frequency-contrast characteristics light intensity