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We demonstrate the collimation of Raman scattering by a SERS substrate consisting of optical antennas, a metallic reflector and a 1D grating of metal strips. A ∼6.1° FWHM angle perpendicular to the strips is measured.
We demonstrate color filters comprising silicon nanowire arrays embedded in polymer. Each array's transmission spectrum contains one or more dips, whose positions can be tuned across the visible wavelength range by choice of nanowire radius.
Making use of the field enhancement and confinement, and thermal management, of a template-stripped localized surface plasmon resonance structure, we experimentally demonstrate the trapping and rotation of 110 nm diameter polystyrene nanoparticles.
We experimentally demonstrate enhanced propulsion of polystyrene and gold particles by surface plasmon polaritons on gold stripes. The largest propulsion velocity enhancement, relative to total internal reflection, is measured to be 5 for polystyrene particles.
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