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Quantitative evaluation of optical properties for defective 2D metamaterials based on diffraction imaging
Author(s) -
Zhen Liu,
Makoto Shimizu,
Hiroo Yugami
Publication year - 2020
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.385100
Subject(s) - metamaterial , materials science , optics , diffraction , fabrication , diffraction efficiency , optoelectronics , physics , medicine , alternative medicine , pathology
Metamaterials are intriguing candidates for energy conversion systems, and contribute to the control of thermal radiation spectra. Large-scale devices are required to provide high energy flux transfer. However, the surface microstructure of large-scale metamaterials suffers from fabrication defects, inducing optical property degradation. We develop a novel approach to quantitatively evaluate the optical properties of defective 2D metamaterials based on diffraction imaging. The surrogate surface structure is reconstructed from diffraction pattern, and analyzed geometrical features to evaluate the optical properties. This approach shows potential for in-line and real-time continuous diagnosis during industrial fabrication, and high-throughput for large-scale 2D metamaterial.

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