Near Field Optical Binding Force for Multiple Mix Particles: Plasmonic, Chiral & Dielectric
Date
2019
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Abstract
Optical manipulation is a common phenomenon and widely applied in physics, biological science, physical chemistry, plasmonic and nano science. One of the prominent new areas of optical manipulation is controlling the near field optical binding force, which is a key factor for particle clustering, aggregation and surface plasmon sensors. Near field optical binding force is experienced by two closely placed particles where both gets attracted and repelled. Thus far, there is no generic way to utilize the near field optical binding force for achieving attractive force and repulsive force of nanoparticles at the same wavelength of light. For plasmonic, dielectric & chiral nano particles, we have proposed a methodology to control the near field optical binding force using Bessel beam. Considering the nanoparticles are placed over a homogeneous dielectric background, i.e. at air interface.
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TECHNOLOGY::Electrical engineering, electronics and photonics::Electrical engineering
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Electrical and Computer Engineering
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North South University