本文提出一种基于喇曼-奈斯(Raman-Nath)声光衍射的光学双稳装置。实验记录了喇曼-奈斯声光调制器的衍射光强特性曲线。显示了一级衍射光强相对输入光强的双稳特性。这种声光双稳装置可采用三种工作方式,其一种用途是可以作为多通道开关。

An optical bistable device based on Eaman-Nath acoustooptic diffraction is reported. Intensity curves of diffracted light from a Raman-Nath acoustooptic modulator are recorded. The bistability of the first-order diffracted light intensity as a function of the input intensity is presented. Three modes of operation are possible for this acoustooptic bistable device. As a potential application, the acoustooptical bistable device can be used as a multi-channel switch.