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Proceedings Paper

Optical properties of aqueous dispersions of diamond nanoparticles
Author(s): Ada-Simona Popescu; Boyan Penkov; Young U. Jung; Roman Akhmechet; Andrii B. Golovin; David T. Crouse
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Paper Abstract

Optical metasurfaces demonstrate outstanding capabilities of optical parameters modifications by changes in the structural architecture at the nano-scale level. We demonstrate results of electrophoretic experiments that modify the structure of a metasurface by using diamond nanoparticles with sizes much smaller than the wavelength of light; the nanoparticles are suspended in an aqueous solution and a uniform electric field is applied. The electric field controls the concentration of nanoparticles inside the sub-wavelength apertures and on the top plane of the metasurface. The higher concentration of diamond nanoparticles increases the refractive index of the suspension as well as increasing scattering and absorption. Results of optical material parameter characterization for a wavelength of 512 nm are provided for different concentrations of the diamond nanoparticles dispersions.

Paper Details

Date Published: 26 September 2013
PDF: 8 pages
Proc. SPIE 8816, Nanoengineering: Fabrication, Properties, Optics, and Devices X, 88161G (26 September 2013); doi: 10.1117/12.2024485
Show Author Affiliations
Ada-Simona Popescu, The City College of New York (United States)
Boyan Penkov, Phoebus Optoelectronics, LLC (United States)
Young U. Jung, The City College of New York (United States)
Roman Akhmechet, Phoebus Optoelectronics, LLC (United States)
Andrii B. Golovin, The City College of New York (United States)
Ctr. for Metamaterials (United States)
David T. Crouse, The City College of New York (United States)
Ctr. for Metamaterials (United States)


Published in SPIE Proceedings Vol. 8816:
Nanoengineering: Fabrication, Properties, Optics, and Devices X
Eva M. Campo; Elizabeth A. Dobisz; Louay A. Eldada, Editor(s)

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