Shaping light in 3d space by counter-propagation.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
09 Sep 2021
09 Sep 2021
Historique:
received:
12
04
2021
accepted:
06
08
2021
entrez:
10
9
2021
pubmed:
11
9
2021
medline:
11
9
2021
Statut:
epublish
Résumé
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.
Identifiants
pubmed: 34504187
doi: 10.1038/s41598-021-97313-4
pii: 10.1038/s41598-021-97313-4
pmc: PMC8429748
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
18019Subventions
Organisme : Deutsche Forschungsgemeinschaft
ID : DE-486-22
Informations de copyright
© 2021. The Author(s).
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