Acousto-optic modulator

The utility model provides an acousto-optic modulator, and the acousto-optic modulator comprises a housing which is provided with a containing cavity and is provided with two first installation holes communicated with the containing cavity, and the two first installation holes are located in the two adjacent side walls of the housing respectively; the two collimators are respectively arranged on the shell through the two first mounting holes; and the acousto-optic medium is arranged in the accommodating cavity, and is used for modulating the optical signal emitted into the accommodating cavity from one collimator, and transmitting the modulated optical signal to the other collimator for outputting. Through the mode, the length size of the acousto-optic modulator can be effectively reduced, the compactness of the acousto-optic modulator in spatial layout can be improved, the space is saved, and the portability is improved. 本申请提供一种声光调制器，该声光调制器包括：壳体，形成有容置腔，且开设有与容置腔连通的两个第一安装孔，其中，两个第一安装孔分别位于壳体的相邻设置的两侧壁上；两个准直器，分别通过