Experimental investigation on the lensing and Talbot effects of finite-sized 2D periodic metallic nanoaperture arrays

Yiting Yu; Hans Zappe; Xiaoyun Zhang

doi:10.1117/12.2209354

14 March 2016 Experimental investigation on the lensing and Talbot effects of finite-sized 2D periodic metallic nanoaperture arrays

Yiting Yu, Hans Zappe, Xiaoyun Zhang

Author Affiliations +

Proceedings Volume 9756, Photonic and Phononic Properties of Engineered Nanostructures VI; 975618 (2016) https://doi.org/10.1117/12.2209354
Event: SPIE OPTO, 2016, San Francisco, California, United States

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.

Citation Download Citation

Yiting Yu, Hans Zappe, and Xiaoyun Zhang "Experimental investigation on the lensing and Talbot effects of finite-sized 2D periodic metallic nanoaperture arrays", Proc. SPIE 9756, Photonic and Phononic Properties of Engineered Nanostructures VI, 975618 (14 March 2016); https://doi.org/10.1117/12.2209354

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