Diffraction-limited laser beam shaping by use of computer-generated holograms with dislocations

Autor: Churin, Evgeny G.
Zdroj: Optics Letters; May 1999, Vol. 24 Issue: 9 p620-621, 2p
Abstrakt: A new method that reshapes a Gaussian laser beam into a polygon of diffraction-limited size with a flat or a pyramidal top is presented. The technique is based on the use of computer-generated holograms with phase dislocations (singularities).
Databáze: Supplemental Index