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  Microsphere kinematics from the polarization of tightly focused nonseparable light

Berg-Johansen, S., Neugebauer, M., Aiello, A., Leuchs, G., Banzer, P., & Marquardt, C. (2021). Microsphere kinematics from the polarization of tightly focused nonseparable light. Optics Express, 29(8), 12429-12439. doi:10.1364/OE.419540.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0007-6315-2 Version Permalink: https://hdl.handle.net/21.11116/0000-000A-324D-8
Genre: Journal Article

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 Creators:
Berg-Johansen, Stefan1, Author
Neugebauer, Martin1, 2, Author           
Aiello, Andrea3, Author           
Leuchs, Gerd1, 4, Author           
Banzer, Peter1, 2, 5, Author           
Marquardt, Christoph1, 6, Author           
Affiliations:
1Institute of Optics, Information and Photonics, University Erlangen-Nuremberg, Staudtstr. 7/B2, D-91058 Erlangen, Germany, ou_persistent22              
2Interference Microscopy and Nanooptics, Leuchs Emeritus Group, Emeritus Groups, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364700              
3Genes Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society, ou_2541694              
4Leuchs Emeritus Group, Emeritus Groups, Max Planck Institute for the Science of Light, Max Planck Society, ou_3164407              
5Institute of Physics, University of Graz, NAWI Graz, Universitätsplatz 5, 8010 Graz, Austria, ou_persistent22              
6Christoph Marquardt Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society, ou_3164413              

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Free keywords: Physics, Optics, physics.optics,Quantum Physics, quant-ph
 Abstract: Recently, it was shown that vector beams can be utilized for fast kinematic sensing via measurements of their global polarization state [Optica 2(10), 864 (2015)]. The method relies on correlations between the spatial and polarization degrees of freedom of the illuminating field which result from its nonseparable mode structure. Here, we extend the method to the nonparaxial regime. We study experimentally and theoretically the far-field polarization state generated by the scattering of a dielectric microsphere in a tightly focused vector beam as a function of the particle position. Using polarization measurements only, we
demonstrate position sensing of a Mie particle in three dimensions. Our work extends the concept of back focal plane interferometry and highlights the potential of polarization analysis in optical tweezers employing structured light.

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Language(s): eng - English
 Dates: 2021-04-12
 Publication Status: Published online
 Pages: 10
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1364/OE.419540
 Degree: -

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Title: Optics Express
  Abbreviation : Opt. Express
Source Genre: Journal
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Publ. Info: Washington, DC : Optical Society of America
Pages: - Volume / Issue: 29 (8) Sequence Number: - Start / End Page: 12429 - 12439 Identifier: ISSN: 1094-4087
CoNE: https://pure.mpg.de/cone/journals/resource/954925609918