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Conferences > CLEO_SI > 2019 > SM1J > SM1J.4

Optical spatial differentiator based on subwavelength high-contrast gratings

Weiji Yang, Zhewei Dong, Jiangnan Si, Xuanyi Yu, and Xiaoxu Deng

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Abstract

Based on subwavelength high-contrast gratings (HCGs), a transmissive optical spatial differentiator without Fourier lens is proposed experimentally, which achieves edge detections of images and provides applications in optical computing systems and parallel data processing.

© 2019 The Author(s)

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