TY - DATA T1 - Visualization 1.avi PY - 2018/03/08 AU - Saifollah Rasouli AU - Davud Hebri UR - https://opticapublishing.figshare.com/articles/media/Visualization_1_avi/5632231 DO - 10.6084/m9.figshare.5632231.v1 L4 - https://ndownloader.figshare.com/files/9808918 KW - Optical Vortices KW - Diffraction and gratings KW - Singular optics, topological defects KW - Optical Communications N2 - Calculated diffraction patterns from an amplitude radial grating with m=10 illuminated by the vortex beams with w=2mm and l= 3, 10 at different propagation distances in the range from z=0 to z=10z_T. For the cases l= m= 10 by propagation, beams' energy are flowing towards the optical axes. All dimensions are in millimeters. ER -