The design method and features of even-numbered Dammann gratings are presented in this paper.
分析了偶数点阵达曼光栅的设计原理与特性。
2
The influences of various laser modes on the splitting beam effect of Dammann grating are studied in theory and by numerical simulation.
本文完成了各种激光模式对达曼光栅分束效果影响的理论研究和数值模拟。
3
Femtosecond laser direct writing in transparent materials and the two-photon photopolymerization technology are used to fabricate the phase-gratings and Dammann grating.