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Mie scattering distinguishes the topological charge of an optical vortex: a homage to Gustav Mie
New Journal of Physics
11
, 013046 (
2009
)
Authors
Valeria Garbin
Giovanni Volpe
Enrico Ferrari
Dan Cojoc
Dmitri Petrov
BibTeΧ
@article{1367-2630-11-1-013046, author={Valeria Garbin and Giovanni Volpe and Enrico Ferrari and Michel Versluis and Dan Cojoc and Dmitri Petrov}, title={Mie scattering distinguishes the topological charge of an optical vortex: a homage to Gustav Mie}, journal={New Journal of Physics}, volume={11}, number={1}, pages={013046}, url={http://stacks.iop.org/1367-2630/11/i=1/a=013046}, year={2009}, abstract={One century after Mie's original paper, Mie scattering is still a fertile field of scientific endeavor. We show that the Mie scattering distinguishes the topological charge of light beams with phase dislocations. We experimentally and numerically study the scattering of highly focused Laguerre–Gaussian beams by dielectric and metal spheres, and show that the scattered field is sensitive to the modulus and to the sign of the topological charge. The implications for position detection systems are also discussed.} }
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