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Trapping metallic Rayleigh particles with radial polarization
Open accessAbstract
Metallic particles are generally considered difficult to trap due to strong scattering and absorption forces. In this paper, numerical studies show that optical tweezers using radial polarization can stably trap metallic particles in 3-dimension. The extremely strong axial component of a highly focused radially polarized beam provides a large gradient force. Meanwhile, this strong axial field component does not contribute to the Poynting vector along the optical axis. Consequently, it does not create axial scattering/absorption forces. Owing to the spatial separation of the gradient force and scattering/absorption forces, a stable 3-D optical trap for metallic particles can be formed.
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Cited by
Chapter 5 Singular Optics: Optical Vortices and Polarization Singularities
Dennis, M. R., O'Holleran, K., & Padgett, M. J. (2009) · Progress in Optics · doi:10.1016/s0079-6638(08)00205-9 · Cited by 666
Material processing with pulsed radially and azimuthally polarized laser radiation
Meier, M., Romano, V., & Feurer, T. (2007) · Applied Physics A · doi:10.1007/s00339-006-3784-9 · Cited by 567
Polarization pattern of vector vortex beams generated by q-plates with different topological charges
Cardano, F., Karimi, E., Slussarenko, S., Marrucci, L., de Lisio, C., & Santamato, E. (2012) · Applied Optics · doi:10.1364/ao.51.0000c1 · Cited by 415
Optical properties of metallic nanoparticles: manipulating light, heat and forces at the nanoscale
Coronado, E. A., Encina, E. R., & Stefani, F. D. (2011) · Nanoscale · doi:10.1039/c1nr10788g · Cited by 284
Topological polarization singularities in metaphotonics
Liu, W., Liu, W., Shi, L., & Kivshar, Y. (2021) · Nanophotonics · doi:10.1515/nanoph-2020-0654 · Cited by 107
Metadata
- Authors
- Zhan, Q.
- Venue
- Optics Express
- Publisher
- Optica Publishing Group
- Published
- 2004
- Volume
- 12
- Issue
- 15
- Pages
- 3377
- ISSN
- 1094-4087 (ISSN-L)
- OpenAlex
- W2051576314
- Cited by
- 834
- References
- 0
- FWCI
- 7.17
- Type
- journal article
- Language
- en
- Open access
- gold
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