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Proceedings Paper

Anti-reflective polymer-nanocomposite coatings fabricated by RIR-MAPLE
Author(s): S. Singaravalu; D. C. Mayo; H. K. Park; K. E. Schriver; R. F. Haglund
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Paper Abstract

There is increasing demand for functional polymeric optical coatings for plastic substrates. In the case of anti-reflective (AR) coatings, this is challenging because polymers exhibit a relatively narrow range of refractive indices. We synthesized a four-layer AR stack using hybrid polymer:nanoparticle materials deposited by resonant infrared matrixassisted pulsed laser evaporation (RIR-MAPLE). An Er:YAG laser ablated frozen solutions of a high-index composite containing TiO2 nanoparticles and PMMA, alternating with a low-index solution of PMMA. The optimized AR coatings, with thicknesses calculated using commercial software, yielded a coating for polycarbonate with relative transmission over 94%, scattering less than 5% and a reflection coefficient below 0.8% across the visible range.

Paper Details

Date Published: 22 February 2013
PDF: 6 pages
Proc. SPIE 8607, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XVIII, 860718 (22 February 2013); doi: 10.1117/12.2007537
Show Author Affiliations
S. Singaravalu, AppliFlex LLC. (United States)
D. C. Mayo, Vanderbilt Univ. (United States)
H. K. Park, AppliFlex LLC. (United States)
K. E. Schriver, AppliFlex LLC. (United States)
R. F. Haglund, Vanderbilt Univ. (United States)


Published in SPIE Proceedings Vol. 8607:
Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XVIII
Xianfan Xu; Guido Hennig; Yoshiki Nakata; Stephan W. Roth, Editor(s)

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