Orbital angular momentum of the spiral beams
Volostnikov V.G.


Samara Branch of P.N. Lebedev Physical Institute of RAN, Samara, Russia


At first sight, any rotation generates some angular momentum (it is true for a solid body). But these characteristics (rotation and orbital angular momentum) are rather different for optics and mechanics. In optics there are the situation when the rotation is important. On the other hand, there are the cases where the nonzero orbital angular momentum is necessary. The main goal of this article is to investigate a relationship between a rotation under propagation of spiral beam and its angular momentum.
It can be done the following conclusion: there is no any relation between rotation under propagation of spiral beam and its OAM.

spiral beams, singular optics, orbital angular momentum

Volostnikov VG. Orbital angular momentum of the spiral beams. Computer Optics 2019; 43(3): 504-506. DOI: 10.18287/2412-6179-2019-43-3-504-506.


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