Four-petal Gaussian beams and their propagation |
| |
Authors: | Kailiang Duan,Baida Lü |
| |
Affiliation: | a Institute of Laser Physics and Chemistry, Sichuan University, Chengdu 610064, China b Department of Physics, Luoyang Normal College, Luoyang 471022, China |
| |
Abstract: | A new form of laser beams called four-petal Gaussian beams is introduced. Based on the Collins integral, two kinds of analytical propagation expressions for this new kind of beams through a paraxial ABCD optical system are derived. The propagation properties of the four-petal Gaussian beams are studied and illustrated with numerical examples. At the source plane the beam has four-petals; the space among the petals is determined by the beam order. In the far field the beam evolves into a number of mirror symmetric petals and the petals of higher order beams can be equally spaced. |
| |
Keywords: | Four-petal Gaussian beams Collins integral Paraxial ABCD optical system |
本文献已被 ScienceDirect 等数据库收录! |