Formation of hybrid higher-order cylindrical vector beams using binary multi-sector phase plates

Abstract Nowadays, the well-known cylindrical vector beams (CVBs) – the axially symmetric beam solution to the full-vector electromagnetic wave equation – are widely used for advanced laser material processing, optical manipulation and communication and have a great interest for data storage. Higher...

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Autores principales:	Svetlana N. Khonina, Andrey V. Ustinov, Sergey A. Fomchenkov, Alexey P. Porfirev
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Cylindrical Vector Beams (CVBs) Phase Plate Azimuthal Polarization High Damage Threshold Polarisation Transformation Medicine R Science Q
Acceso en línea:	https://doaj.org/article/61c8c9fd245d4c1da1b859c56d975375
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spelling	oai:doaj.org-article:61c8c9fd245d4c1da1b859c56d9753752021-12-02T15:07:56ZFormation of hybrid higher-order cylindrical vector beams using binary multi-sector phase plates10.1038/s41598-018-32469-02045-2322https://doaj.org/article/61c8c9fd245d4c1da1b859c56d9753752018-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-32469-0https://doaj.org/toc/2045-2322Abstract Nowadays, the well-known cylindrical vector beams (CVBs) – the axially symmetric beam solution to the full-vector electromagnetic wave equation – are widely used for advanced laser material processing, optical manipulation and communication and have a great interest for data storage. Higher-order CVBs with polarisation order greater than one and superpositions of CVBs of various orders (hybrid CVBs) are especially of interest because of their great potential in contemporary optics. We performed a theoretical analysis of the transformation of first-order CVBs (radially and azimuthally polarised beams) into hybrid higher-order ones using phase elements with complex transmission functions in the form of the cosine or sine functions of the azimuthal angle. Binary multi-sector phase plates approximating such transmission functions were fabricated and experimentally investigated. The influence of the number of sectors and a height difference between neighbouring sectors, as well as the energy contribution of the different components in the generated hybrid higher-order CVBs were discussed in the context of polarisation transformation and vector optical field transformation in the focal region. The possibility of polarisation transformation, even in the case of weak focusing, is also demonstrated. The simple structure of the profile of such plates, their high diffraction efficiency and high damage threshold, as well as the easy-to-implement polarisation transformation principle provide advanced opportunities for high-efficient, quickly-switchable dynamic control of the generation of structured laser beams.Svetlana N. KhoninaAndrey V. UstinovSergey A. FomchenkovAlexey P. PorfirevNature PortfolioarticleCylindrical Vector Beams (CVBs)Phase PlateAzimuthal PolarizationHigh Damage ThresholdPolarisation TransformationMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-11 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Cylindrical Vector Beams (CVBs) Phase Plate Azimuthal Polarization High Damage Threshold Polarisation Transformation Medicine R Science Q
spellingShingle	Cylindrical Vector Beams (CVBs) Phase Plate Azimuthal Polarization High Damage Threshold Polarisation Transformation Medicine R Science Q Svetlana N. Khonina Andrey V. Ustinov Sergey A. Fomchenkov Alexey P. Porfirev Formation of hybrid higher-order cylindrical vector beams using binary multi-sector phase plates
description	Abstract Nowadays, the well-known cylindrical vector beams (CVBs) – the axially symmetric beam solution to the full-vector electromagnetic wave equation – are widely used for advanced laser material processing, optical manipulation and communication and have a great interest for data storage. Higher-order CVBs with polarisation order greater than one and superpositions of CVBs of various orders (hybrid CVBs) are especially of interest because of their great potential in contemporary optics. We performed a theoretical analysis of the transformation of first-order CVBs (radially and azimuthally polarised beams) into hybrid higher-order ones using phase elements with complex transmission functions in the form of the cosine or sine functions of the azimuthal angle. Binary multi-sector phase plates approximating such transmission functions were fabricated and experimentally investigated. The influence of the number of sectors and a height difference between neighbouring sectors, as well as the energy contribution of the different components in the generated hybrid higher-order CVBs were discussed in the context of polarisation transformation and vector optical field transformation in the focal region. The possibility of polarisation transformation, even in the case of weak focusing, is also demonstrated. The simple structure of the profile of such plates, their high diffraction efficiency and high damage threshold, as well as the easy-to-implement polarisation transformation principle provide advanced opportunities for high-efficient, quickly-switchable dynamic control of the generation of structured laser beams.
format	article
author	Svetlana N. Khonina Andrey V. Ustinov Sergey A. Fomchenkov Alexey P. Porfirev
author_facet	Svetlana N. Khonina Andrey V. Ustinov Sergey A. Fomchenkov Alexey P. Porfirev
author_sort	Svetlana N. Khonina
title	Formation of hybrid higher-order cylindrical vector beams using binary multi-sector phase plates
title_short	Formation of hybrid higher-order cylindrical vector beams using binary multi-sector phase plates
title_full	Formation of hybrid higher-order cylindrical vector beams using binary multi-sector phase plates
title_fullStr	Formation of hybrid higher-order cylindrical vector beams using binary multi-sector phase plates
title_full_unstemmed	Formation of hybrid higher-order cylindrical vector beams using binary multi-sector phase plates
title_sort	formation of hybrid higher-order cylindrical vector beams using binary multi-sector phase plates
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/61c8c9fd245d4c1da1b859c56d975375
work_keys_str_mv	AT svetlanankhonina formationofhybridhigherordercylindricalvectorbeamsusingbinarymultisectorphaseplates AT andreyvustinov formationofhybridhigherordercylindricalvectorbeamsusingbinarymultisectorphaseplates AT sergeyafomchenkov formationofhybridhigherordercylindricalvectorbeamsusingbinarymultisectorphaseplates AT alexeypporfirev formationofhybridhigherordercylindricalvectorbeamsusingbinarymultisectorphaseplates
_version_	1718388317552115712

Formation of hybrid higher-order cylindrical vector beams using binary multi-sector phase plates

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