中文说明：利用matlab实现了二元光学设计中的GS算法以及达曼光栅的设计。GS算法是用于光束整形的重要算法，达曼光栅是常见的均匀分束二元光学器件。
English Description：
The GS algorithm in binary optical design and the design of Dammann grating are realized by MATLAB. GS algorithm is an important algorithm for beam shaping. Dammann grating is a common binary optical device with uniform beam splitting.