Structuring non-diffracting hollow beams within micrometer spatial domains

Michel Zamboni-Rached

doi:10.1117/12.2556525

1 April 2020 Structuring non-diffracting hollow beams within micrometer spatial domains

Michel Zamboni-Rached

Proceedings Volume 11368, Photonics and Plasmonics at the Mesoscale; 113680A (2020) https://doi.org/10.1117/12.2556525
Event: SPIE Photonics Europe, 2020, Online Only

Abstract

In this work, we show that suitable continuous superposition of zero-order Bessel beams, combined with the use of a mathematical operator which raises the topological charge of any optical beam, allow us to structure on demand non-diffracting hollow beams endowed with orbital angular momentum (OAM) within micrometer spatial domains. Our Analysis is exact and analytical, fully based on the Maxwell equations. Such method can find potential applications in many fields, especially those which require the use of highly non-paraxial optical beams, like optical tweezers, optical guiding of atoms, control of the OAM over microscopic regions and photonics in general.

Citation Download Citation

Michel Zamboni-Rached "Structuring non-diffracting hollow beams within micrometer spatial domains", Proc. SPIE 11368, Photonics and Plasmonics at the Mesoscale, 113680A (1 April 2020); https://doi.org/10.1117/12.2556525

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