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Polarization-dependent reflective color filter incorporating an embedded silicon grating
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Paper Abstract

A reflective color filter showing polarization dependent is proposed, where on a SiO2 substrate, a Si-grating is embedded inside a dielectric Si3N4 overlay. By varying the period of the grating, cyan, magenta and yellow (CMY) colors are gained for the transverse electric (TE) polarized incidence. With the polarization of incident light changed from TE polarization to transverse magnetic (TM) polarization, the structure’s reflective color varies accordingly. Therefore, the proposed structure has application prospects in the field of anti-counterfeiting and color display.

Paper Details

Date Published: 25 October 2018
PDF: 7 pages
Proc. SPIE 10823, Nanophotonics and Micro/Nano Optics IV, 108231I (25 October 2018); doi: 10.1117/12.2515583
Show Author Affiliations
Yu Gu, Soochow Univ. (China)
Hong Ye, Soochow Univ. (China)
Shangliang Wu, Soochow Univ. (China)
Yan Ye, Soochow Univ. (China)
Linsen Chen, Soochow Univ. (China)


Published in SPIE Proceedings Vol. 10823:
Nanophotonics and Micro/Nano Optics IV
Zhiping Zhou; Kazumi Wada, Editor(s)

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