Orbital angular momentum transformation of optical vortex with aluminum metasurfaces

Abstract The orbital angular momentum (OAM) transformation of optical vortex is realized upon using aluminum metasurfaces with phase distributions derived from the caustic theory. The generated OAM transformation beam has the well-defined Bessel-like patterns with multiple designed topological charg...

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Autores principales: Yuchao Zhang, Xiaodong Yang, Jie Gao
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2019
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Acceso en línea:https://doaj.org/article/ddf106776ca442bfa9a55fb5f24d233f
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