Abstract
In this Letter, we propose a new, to the best of our knowledge, approach to generate computer-generated holograms (CGHs) utilizing spiral phase coding. This method can be applied to generate an array spiral phase plate that can generate array vortex spots with a high compression ratio. Moreover, the method extends its applicability to the generation of Fresnel holograms and kinoforms, resulting in edge-enhanced imaging. Theoretical analysis and experimental results demonstrate the potential of spiral phase-encoded CGHs in laser processing and image enhancement.
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