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Experimental Demonstration of Magnetic Carriage for Transport of Light Trapped in Magnetizable Mie Spheres
Author(s) -
Patel Rajesh,
Mehta Rasbindu V.
Publication year - 2013
Publication title -
advanced optical materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.89
H-Index - 91
ISSN - 2195-1071
DOI - 10.1002/adom.201300123
Subject(s) - ferrofluid , materials science , refractive index , magnetic field , trapping , micrometer , spheres , colloid , dispersion (optics) , optics , optical tweezers , mie scattering , magnetic nanoparticles , light scattering , nanotechnology , nanoparticle , optoelectronics , scattering , physics , ecology , chemistry , quantum mechanics , astronomy , biology
Demonstration of transport of trapped light: the refractive index contrast between a colloidal dispersion of micrometer‐sized particles and the surrounding ferrofluid is a function of the applied static magnetic field. This can be used to tune the morphology‐dependent resonance in the microspheres, leading to light trapping. The trapped light can then be transported magnetically via the ferrodispersion and released by turning off the applied field.