The
aim of the given report is experimental and theoretical research
of the diffraction of a Gaussian beam by the optical
wedges system. It is shown that this system is able
to form high-order optical vortices. The effectiveness of system is
about 90%. It was shown, that each wedge changes a
charge of phase singularity as a result of edge diffraction.
The value topological charge of the optical vortex formed after
system is defined by the number of wedges in the
system. Changing mutual orientation corners of wedges we can select
required conditions of the vortex core. It was revealed that
the optical vortex appears structurally steady if the comer of
mutual orientation of wedges equals
=
n (where n-number
of wedges).
©2006
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