Chen, Yung-Pin and Lee, Chih-Hsien and Wang, Lon A (2011) Fabrication and characterization of multi-scale microlens arrays with anti-reflection and diffusion properties. Nanotechnology, 22 (21). p. 215303.
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Official URL: http://stacks.iop.org/0957-4484/22/i=21/a=215303
In this paper, an effective method for fabricating artificial compound-eye structures is demonstrated. The fabrication of high fill factor microlens arrays (MLAs) with sub-wavelength structures (SWSs) on a polycarbonate (PC) substrate involves nanoimprint and thermo-extrusion techniques by using two different scales of nano/micromolds. In addition, the MLAs with SWSs on the PC substrate would be replicated on a polymethylmethacrylate (PMMA) millimeter concave surface by hot-embossing, forming three-level compound-eye structures. The optical properties of these samples are characterized. The transmittances of two-level PC and three-level PMMA compound structures are increased by 2.5% and 2%, and the uniformities are enhanced by 18% and 24%, respectively.
|Deposited By:||Prof. Alexey Ivanov|
|Deposited On:||01 Nov 2011 23:30|
|Last Modified:||02 Nov 2011 00:47|
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