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Proceedings Paper

Experimental investigation on the lensing and Talbot effects of finite-sized 2D periodic metallic nanoaperture arrays
Author(s): Yiting Yu; Hans Zappe; Xiaoyun Zhang
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Paper Abstract

This paper presents the preliminary experimental studies of the influences of structural parameters, including the fill factor, device size, lattice, and nanoaperture shape, on the far-field optical transmission properties through the finite-sized two-dimensional periodic arrays of metallic nanoapertures. Both the lensing effect and the Talbot effect are observed, characterized and analyzed. Light intensity patterns of Talbot revivals at various Talbot distances containing abundant subwavelength hotspots are obtained, and the average size of the hotspots are derived and compared. Some concluding remarks are given to provide an important technological reference for the design and application of such devices according to the current experimental results.

Paper Details

Date Published: 14 March 2016
PDF: 9 pages
Proc. SPIE 9756, Photonic and Phononic Properties of Engineered Nanostructures VI, 975618 (14 March 2016); doi: 10.1117/12.2209354
Show Author Affiliations
Yiting Yu, Northwestern Polytechnical Univ. (China)
Hans Zappe, Univ. of Freiburg (Germany)
Xiaoyun Zhang, Northwestern Polytechnical Univ. (China)

Published in SPIE Proceedings Vol. 9756:
Photonic and Phononic Properties of Engineered Nanostructures VI
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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