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Proceedings Paper

Optical filter based on metallic glass MgZnCa micro/nano-structure array
Author(s): Jiang Cheng; Hao Jia; Qingjun Wu; Hao Wang; J. Z. Jiang; Dongxian Zhang
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Paper Abstract

Metallic glasses with unique properties, such as large plasticity within supercooled liquid region ΔT and excellent wear resistance, have attracted much attention in recent years. However, the applications of thin film metallic glass (TFMG) in optical area are seldom reported yet. Here, we proposed a reflective color filter with simple sub-wavelength nanorods fabricated with MgZnCa metallic glasses. Using the finite-difference time-domain (FDTD) methods, we systematically simulated the reflection spectra with different parameters such as the diameter and the height of nanorods. The simulation results indicate that the reflection efficiency is as high as 80%, and the color can be adjusted by changing the parameters effectively, which could be of significance for designing desirable color filters by selecting the appropriate nanostructure parameters. More importantly, the color filter facilitates the scalability to the optical application of TFMG and possesses the potential of large-scale fabrication due to the MgZnCa TFMG has low glass transition temperature (Tg) and large plasticity within ΔT.

Paper Details

Date Published: 24 July 2018
PDF: 6 pages
Proc. SPIE 10827, Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018), 1082737 (24 July 2018); doi: 10.1117/12.2326822
Show Author Affiliations
Jiang Cheng, ZheJiang Univ. (China)
Hao Jia, Zhejiang Univ. (China)
Qingjun Wu, Zhejiang Univ. (China)
Hao Wang, Zhejiang Univ. (China)
J. Z. Jiang, ZheJiang Univ. (China)
Dongxian Zhang, Zhejiang 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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