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1928年在莫斯科和加尔各答几乎同时完成了我们这个世纪在光学上最伟大的发现之一:在晶体、液体和蒸汽散射光光谱中发现了一些附加谱线,它们相对激发光谱线偏移几百甚至几千厘米-1。
Orbital angular momentum (OAM)-carrying beams have received extensive attention due to their high-dimensional characteristics in the context of free-space optical communication. However, accurate OAM mode recognition still suffers from reference misali