Polarization-independent and high-efficiency broadband optical absorber in visible light based on nanostructured germanium arrays
A broadband optical absorber based on the nanostructured germanium (Ge) film composed of single-sized circular nanodisk–nanohole arrays is proposed, which demonstrates high efficiency, strong polarization independence, and large viewing angle. Due to the electric and magnetic resonance absorption mo...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Published: |
Optical Society of America
2019
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/22897/ https://doi.org/10.1364/OL.44.000963 |
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