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Unravelling 3D Dyna...
Unravelling 3D Dynamics and Hydrodynamics during Incorporation of Dielectric Particles to an Optical Trapping Site
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- Louis, Boris (författare)
- University of Gothenburg,Catholic University of Leuven,Sahlgrenska Academy
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- Huang, Chih Hao (författare)
- National Yang Ming Chiao Tung University
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- Camacho, Rafael (författare)
- Sahlgrenska Academy
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- Scheblykin, Ivan G. (författare)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,LTH profilområde: Nanovetenskap och halvledarteknologi,LTH profilområden,LTH profilområde: Avancerade ljuskällor,LU profilområde: Ljus och material,Lunds universitets profilområden,Other operations, LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,LTH Profile Area: Nanoscience and Semiconductor Technology,LTH Profile areas,Faculty of Engineering, LTH,LTH Profile Area: Photon Science and Technology,Faculty of Engineering, LTH,LU Profile Area: Light and Materials,Lund University Profile areas
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- Sugiyama, Teruki (författare)
- Nara Institute of Science and Technology
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- Kudo, Tetsuhiro (författare)
- National Yang Ming Chiao Tung University
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- Melendez, Marc (författare)
- Condensed Matter Physics Center (IFIMAC)
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- Delgado-Buscalioni, Rafael (författare)
- Condensed Matter Physics Center (IFIMAC)
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Masuhara, Hiroshi (författare)
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- Hofkens, Johan (författare)
- Max Planck Institute for Polymer Research,Catholic University of Leuven
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- Bresoli-Obach, Roger (författare)
- Catholic University of Leuven,Ramon Llull University
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(creator_code:org_t)
- 2023-02-17
- 2023
- Engelska 12 s.
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Ingår i: ACS Nano. - : American Chemical Society (ACS). - 1936-0851 .- 1936-086X. ; 17:4, s. 3797-3808
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Mapping of the spatial and temporal motion of particles inside an optical field is critical for understanding and further improvement of the 3D spatio-temporal control over their optical trapping dynamics. However, it is not trivial to capture the 3D motion, and most imaging systems only capture a 2D projection of the 3D motion, in which the information about the axial movement is not directly available. In this work, we resolve the 3D incorporation trajectories of 200 nm fluorescent polystyrene particles in an optical trapping site under different optical experimental conditions using a recently developed widefield multiplane microscope (imaging volume of 50 × 50 × 4 μm3). The particles are gathered at the focus following some preferential 3D channels that show a shallow cone distribution. We demonstrate that the radial and the axial flow speed components depend on the axial distance from the focus, which is directly related to the scattering/gradient optical forces. While particle velocities and trajectories are mainly determined by the trapping laser profile, they cannot be completely explained without considering collective effects resulting from hydrodynamic forces.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Nyckelord
- 3D imaging
- hydrodynamics
- multiplane widefield microscopy
- optical field
- optical trapping
- particle tracking
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Louis, Boris
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Huang, Chih Hao
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Camacho, Rafael
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Scheblykin, Ivan ...
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Sugiyama, Teruki
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Kudo, Tetsuhiro
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visa fler...
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Melendez, Marc
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Delgado-Buscalio ...
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Masuhara, Hirosh ...
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Hofkens, Johan
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Bresoli-Obach, R ...
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