Orbital Angular Momentum Beam

Application ID: 72511

This model simulates Gaussian to Laguerre Gaussian beam shaping with the Beam Envelopes interface, the unidirectional wave formulation. The input beam is a focusing Gaussian beam with a topological spiral phase.

It is known that this phase mask converts a Gaussian beam to a donut beam. The phase rotates around the optical axis as the beam propagates. So the resulted beam is called the vortex beam, typically represented by the Laguerre-Gaussian beam.

This beam shaping can be done also by a spiral diffractive optic or a forked grating.

This model example illustrates applications of this type that would nominally be built using the following products: