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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/47496

Title: Optical response from lenslike semiconductor nipple arrays
Authors: L.-H. Peng
H.-M. Wu
C.-M. Lai
Contributors: 國立臺灣海洋大學:光電科學研究所
Date: 2008-12
Issue Date: 2018-07-26T08:27:51Z
Publisher: Applied Physics Letters
Abstract: Abstract: The authors reported the use of recessive size reduction in self-assembled polystyrene sphere mask with anisotropic etching to form lenslike nipple arrays onto the surface of silicon and gallium nitride. These devices are shown to exhibit a filling factor near to an ideal close-packed condition and paraboloidlike etch profile with slope increased proportionally to the device aspect ratio. Specular reflectivity of less than 3% was observed over the visible spectral range for the 0.35-μm-period nipple-lens arrays. Using two-dimensional rigorous coupled-wave analysis, the latter phenomenon can be ascribed to a gradual index matching mechanism accessed by a high surface-coverage semiconductor nipple array structure.
Relation: 93(21)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/47496
Appears in Collections:[光電科學研究所] 期刊論文

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