Generation of Vector Beam by a Sagnac-Like Interferometer
Abstract
Vector beam is a fully polarized beam, but has spatially different polarization distribution. It can be used in many applications, e.g., microscopy illumination. Following the idea of T. Wang et al., Appl. Phys. B 122:231 (2016), this use case demonstrates a Sagnac-interferometer scheme to generate a vector beam. This setup contains an SLM of spiral phase, a polarization beam splitter, and a quarter-wave plate.
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Use Case
Generation of Spatially Varying Polarization by Interference with Polarized Light
With a Mach-Zehnder interferometer setup with two rotatable polarizers, we demonstrate the generation of spatially varying polarization.
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Vector Beam Generation with a SLM and a Common-Path Interferometer
An interferometric setup is built up with SLM, apertures, quarter-wave plates, and grating, in a 4f lens system. Using this setup, we demonstrate the generation of cylindrical vector beams.