Laguerre-Gaussian modal q-plates.
作者： Mushegh Rafayelyan , Etienne Brasselet
DOI: 10.1364/OL.42.001966
关键词:
摘要: We propose space-variant uniaxial flat optical elements designed to generate pure Laguerre–Gaussian modes with arbitrary azimuthal and radial indices l p from an incident Gaussian beam. This is done via the combined use of dynamic geometric phases. Optimal design protocol for mode conversion efficiency derived, corresponding characteristics are given −6≤l≤6 0≤p≤5. The obtained “modal q-plates” may find many applications whenever degree freedom a light field at play.
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