Data: Sexta-Feira 10/05/2019, Sala A5-01, 11 am.
Palestrante: Braian Pinheiro Da Silva (UFF)
Title: Self imaging from fractional Gouy phases in paraxial optics.
Abstract: We investigate self-imaging structures composed by paraxial
mode superpositions
in optics. When different mode orders are combined, the resulting
pattern is not preserved
under free propagation and gets transformed as a result of non
synchronized Gouy phases.
However, it is possible to build self imaging structures in which the
Gouy phases synchronize
at specific longitudinal positions,
recovering the initial pattern.
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