Production of optical accelerating regular polygon beams and their optical characteristics

Based on Thom’s elliptic umbilical singularity, we design pivotal phase-only masks to generate accelerating regular polygon beams. By using the diffractive phase grey-scale map written onto a spatial light modulator, we experimentally obtain optical regular accelerating triple-cusp beams and quinary-cusp beams. Their optical propagation characteristics are investigated subsequently. It will provide useful information for their future potential applications.

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