1) pixellated Dammann grating
矩形孔径Dammann光栅
1.
The principle and implementation of the beam transformation technology of pixellated Dammann grating is described with examples of the linear,even,annulus and uneven array.
针对大功率激光加工对光束空间强度分布的实际要求,提出了一种用二元光学元件对光束进行变换的方法,即利用均匀采样的矩形孔径Dammann光栅对激光高斯光束进行光束变换,可满足任意点阵分布的输出要求。
2) Dammann grating
Dammann光栅
1.
Fabrication and Research of Large Array Two-Dimensional Dammann Grating;
大点阵数二维Dammann光栅的制作与研究
2.
Optimal design of subwavelength structure Dammann gratings with even diffractive beams grating based on vector diffraction theory;
偶数束亚波长Dammann光栅结构的矢量衍射优化设计
3.
Fabrication of Dammann grating in glass with femtosecond pulses;
利用飞秒激光在玻璃内制作Dammann光栅
3) rectangular aperture multi-level phase-modulated grating
矩形孔径多阶相位调制型光栅
1.
The digraph diagram of optimization design for a BOE(rectangular aperture multi-level phase-modulated grating) using ant colony optimization algorithm was structured.
为了提高二元光学优化的速度,进一步提高衍射效率,提出一种采用蚁群算法直接设计二元衍射光学元件(BOE)的方法,构造出了用蚁群算法对具体的二元光学元件——矩形孔径多阶相位调制型光栅优化设计的有向图,用Matlab对其结果进行仿真,缩短了运行时间,并使元件的衍射效率得到进一步提高。
4) rectangular-aperture grating
矩孔光栅
5) Rectangular grating
矩形光栅
1.
For the purpose of design and fabrication, diffraction efficiencies of the trapeziform phase gratings are deduced and compared with rectangular gratings.
为了符合实际加工情形 ,推导了梯形相位光栅衍射效率 ,与矩形光栅作了比较 ,设计其用作高密度光盘存储光学头分光束器件时的各参数 ,并分析推导了系统和随机加工误差对光栅性能的影响及设计原
6) rectangular aperture
矩形孔径
补充资料：R6m矩形坯连铸机在生产(邯钢)
R6m矩形坯连铸机在生产(邯钢)
R6m矩形坯连铸机在生产(邯钢)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条