Shaping light in 3d space by counter-propagation

Abstract We extend the established transverse customization of light, in particular, amplitude, phase, and polarization modulation of the light field, and its analysis by the third, longitudinal spatial dimension, enabling the visualization of longitudinal structures in sub-wavelength (nm) range. To...

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Autores principales:	Ramon Droop, Eric Asché, Eileen Otte, Cornelia Denz
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/afa87309aeb14a7cb1de53e6967f54a4
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spelling	oai:doaj.org-article:afa87309aeb14a7cb1de53e6967f54a42021-12-02T17:41:18ZShaping light in 3d space by counter-propagation10.1038/s41598-021-97313-42045-2322https://doaj.org/article/afa87309aeb14a7cb1de53e6967f54a42021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-97313-4https://doaj.org/toc/2045-2322Abstract We extend the established transverse customization of light, in particular, amplitude, phase, and polarization modulation of the light field, and its analysis by the third, longitudinal spatial dimension, enabling the visualization of longitudinal structures in sub-wavelength (nm) range. To achieve this high-precision and three-dimensional beam shaping and detection, we propose an approach based on precise variation of indices in the superposition of higher-order Laguerre-Gaussian beams and cylindrical vector beams in a counter-propagation scheme. The superposition is analyzed experimentally by digital, holographic counter-propagation leading to stable, reversible and precise scanning of the light volume. Our findings show tailored amplitude, phase and polarization structures, adaptable in 3D space by mode indices, including sub-wavelength structural changes upon propagation, which will be of interest for advanced material machining and optical trapping.Ramon DroopEric AschéEileen OtteCornelia DenzNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ramon Droop Eric Asché Eileen Otte Cornelia Denz Shaping light in 3d space by counter-propagation
description	Abstract We extend the established transverse customization of light, in particular, amplitude, phase, and polarization modulation of the light field, and its analysis by the third, longitudinal spatial dimension, enabling the visualization of longitudinal structures in sub-wavelength (nm) range. To achieve this high-precision and three-dimensional beam shaping and detection, we propose an approach based on precise variation of indices in the superposition of higher-order Laguerre-Gaussian beams and cylindrical vector beams in a counter-propagation scheme. The superposition is analyzed experimentally by digital, holographic counter-propagation leading to stable, reversible and precise scanning of the light volume. Our findings show tailored amplitude, phase and polarization structures, adaptable in 3D space by mode indices, including sub-wavelength structural changes upon propagation, which will be of interest for advanced material machining and optical trapping.
format	article
author	Ramon Droop Eric Asché Eileen Otte Cornelia Denz
author_facet	Ramon Droop Eric Asché Eileen Otte Cornelia Denz
author_sort	Ramon Droop
title	Shaping light in 3d space by counter-propagation
title_short	Shaping light in 3d space by counter-propagation
title_full	Shaping light in 3d space by counter-propagation
title_fullStr	Shaping light in 3d space by counter-propagation
title_full_unstemmed	Shaping light in 3d space by counter-propagation
title_sort	shaping light in 3d space by counter-propagation
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/afa87309aeb14a7cb1de53e6967f54a4
work_keys_str_mv	AT ramondroop shapinglightin3dspacebycounterpropagation AT ericasche shapinglightin3dspacebycounterpropagation AT eileenotte shapinglightin3dspacebycounterpropagation AT corneliadenz shapinglightin3dspacebycounterpropagation
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Shaping light in 3d space by counter-propagation

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