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Proceedings Paper

Utilizing microsphere-based enhanced-intensity laser ablation for nanopatterning polymers
Author(s): Akshit Peer; Rana Biswas
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Paper Abstract

We use rigorous scattering matrix simulations to develop a pathway for synthesizing nanopatterns on polymer surfaces. We consider a system in which the polymer surfaces are initially coated with periodic microspheres in a close packed lattice. When such a lattice is irradiated with a laser of desired wavelength and power, the electric field intensity beneath the spheres is enhanced by more than an order of magnitude, generating localized heating that can remove nanometersize volume of the material in a periodic array of nanocavities. The array of glass spheres can be self-assembled on any curved surface, and these spheres can be utilized as an optical lens to focus light energy within the surface. Our simulations show that the depth and size of the nano-cavities depends critically on the size of microspheres.

Paper Details

Date Published: 20 February 2017
PDF: 5 pages
Proc. SPIE 10112, Photonic and Phononic Properties of Engineered Nanostructures VII, 101122C (20 February 2017); doi: 10.1117/12.2253025
Show Author Affiliations
Akshit Peer, Iowa State Univ. (United States)
Ames Lab. (United States)
Rana Biswas, Iowa State Univ. (United States)
Ames Lab. (United States)

Published in SPIE Proceedings Vol. 10112:
Photonic and Phononic Properties of Engineered Nanostructures VII
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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