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ASME Press Select Proceedings

International Conference on Mechanical and Electrical Technology, 3rd, (ICMET-China 2011), Volumes 1–3

By
Yi Xie
Yi Xie
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ISBN:
9780791859810
No. of Pages:
906
Publisher:
ASME Press
Publication date:
2011

We present an effective medium theory in order to analyze the reported antireflective properties of silicon nanowire arrays. This methodology is based on photonic band structure calculations and allows treatment of complex media consisting of particles that interact strongly. We also develop a simple Maxwell-Garnett theory (MGT) approach for studying this system. The main objective of this paper is to provide novel information associated with the optical properties of silicon nanowire arrays by studying the variation of the reflectance and absorptance as a function of the incident wave. Comparison of experimental and simulation results for silicon nanowire arrays, we demonstrate that the MGT is a useful methodology for nanowire arrays, and there is a good antireflective of silicon nanowire arrays, as our numerical scheme does.

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