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Polarization-dependent wide angle reflective filter based on the micro-cavity incorporating a nano-grating
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Paper Abstract

A reflective color filter based on the micro-cavity incorporating a nanostructure is proposed, which consists of a nano-metallic grating, a dielectric layer and an aluminum (Al) film. By varying the duty cycle of the metallic grating, red, green and blue (RGB) colors can be obtained for the transverse electric (TE) polarized incidence, having a good angular tolerance up to 30°. While these structures show different colors for transverse magnetic (TM) polarized light, and the color difference caused by polarization changes with the duty cycle chosen in different range. Therefore, the proposed structure demonstrates distinct reflections with different duty cycles, which can be utilized for reflective color displays as well as anti-counterfeiting devices.

Paper Details

Date Published: 24 July 2018
PDF: 7 pages
Proc. SPIE 10827, Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018), 108273A (24 July 2018); doi: 10.1117/12.2501215
Show Author Affiliations
Fengchuan Xu, Soochow Univ. (China)
Shangliang Wu, Soochow Univ. (China)
Yan Ye, Soochow Univ. (China)
Yu Gu, Soochow Univ. (China)
Yishen Xu, Soochow Univ. (China)
Linsen Chen, Soochow Univ. (China)


Published in SPIE Proceedings Vol. 10827:
Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018)
Yingjie Yu; Chao Zuo; Kemao Qian, Editor(s)

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