Composite optical vortices in noncollinear Laguerre--Gaussian beams and their propagation in free space

程科, 刘普生, 吕百达

Cheng Ke(程科), Liu Pu-Sheng(刘普生), and Lü Bai-Da(吕百达)

中国物理B . 2008, (5): 1743 -1751 . DOI: 10.1088/1674-1056/17/5/034