Anti-reflective polymer-nanocomposite coatings fabricated by RIR-MAPLE

S. Singaravalu; D. C. Mayo; H. K. Park; K. E. Schriver; R. F. Haglund Jr.

doi:10.1117/12.2007537

22 February 2013 Anti-reflective polymer-nanocomposite coatings fabricated by RIR-MAPLE

S. Singaravalu, D. C. Mayo, H. K. Park, K. E. Schriver, R. F. Haglund Jr.

Proceedings Volume 8607, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XVIII; 860718 (2013) https://doi.org/10.1117/12.2007537
Event: SPIE LASE, 2013, San Francisco, California, United States

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.

Citation Download Citation

S. Singaravalu, D. C. Mayo, H. K. Park, K. E. Schriver, and R. F. Haglund Jr. "Anti-reflective polymer-nanocomposite coatings fabricated by RIR-MAPLE", Proc. SPIE 8607, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XVIII, 860718 (22 February 2013); https://doi.org/10.1117/12.2007537

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