Место издания:The International Society for Optical Engineering Bellingham
Первая страница:82
Последняя страница:89
Аннотация:An acoustooptic generator based on the effect of optical heterodyning is investigated theoretically and experimentally. The condition for self-excitation of oscillations in this system is determined, its dependence on parameters of acoustooptic interaction and feedback circuit is analysed. The possibility of single-mode and multimode regimes of operation is shown. Preliminary results of experimental investigations of the generator with a paratellurite acoustooptic cell are presented. Experiments on active mode locking by means of an external harmonic signal are described as well.