Minimization of diffraction peaks of spatial light modulators using Voronoi diagrams

Optics Express
Céline Benoît-PasanauJérôme Ballet

Abstract

It is possible to reduce the diffraction peaks of a Spatial Light Modulator (SLM) by breaking the periodicity of the pixels shape. We propose a theoretical investigation of a SLM that would be based on a Voronoi diagram, obtained by deforming a regular grid, and show that for a specific deformation parameter the diffraction peaks disappear and are replaced with a speckle-like diffraction halo. We also develop a simple model to determine the shape and the level of this halo.

Citations

Feb 2, 2011·Applied Optics·Céline Benoît-PasanauJérôme Ballet
Sep 4, 2015·IEEE Transactions on Visualization and Computer Graphics·Gregory Kramida

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