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Multiplication and division of the orbital angular momentum of light with diffractive transformation optics

We present a method to efficiently multiply or divide the orbital angular momentum (OAM) of light beams using a sequence of two optical elements. The key element is represented by an optical transformation mapping the azimuthal phase gradient of the input OAM beam onto a circular sector. By combinin...

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Foilsithe in:Light Sci Appl
Main Authors: Ruffato, Gianluca, Massari, Michele, Romanato, Filippo
Formáid: Artigo
Teanga:Inglês
Foilsithe: Nature Publishing Group UK 2019
Ábhair:
Rochtain Ar Líne:https://ncbi.nlm.nih.gov/pmc/articles/PMC6892886/
https://ncbi.nlm.nih.gov/pubmed/31814970
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41377-019-0222-2
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