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激光工程的飞速发展已导致在工业、研究、医学及信号传输和处理等领域中新技术的出现,激光器已成为本世纪最广泛釆用的装置之一。
Recently there is an increasing interest in tailored optical fields with complex amplitude, phase and polarization spatial distributions, as well as specifically designed temporal waveforms. Scalar optical vortices carrying orbital angular momentum and