Vortices using regular mode converter in Model 127 Laser; setup.
Interferograms of aforementioned vortex.
Vortex with one cylindrical lens in Model 127 Laser.
Circular vortices achieved by tilting mode-matching lens at
Setup and non-astigmatic laser spot.
Circular laser spot at two distances
Setup, HG (1,1) mode and the result
Order 1 vortex from HG10
Order 2 vortex from HG 20
Top view of vortex tweezers setup