Generation of concentric multi-ring laser beam pattern with different intensity distribution
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摘要:
A method to shape the incident laser beam into a concentric multi-ring pattern with different intensity distribution is presented based on geometrical transform method and energy conservation.The output two and three rings are designed as examples to verify the validity of the method.The real shaped rings are produced by the spatial light modulation (SLM) and the experimental results show that the shaped laser beam can satisfy the design requirements.