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- Title
Preparation of Polarization-Independent Absorbers Using Gold and Silicon Dioxide.
- Authors
Li, Jiahao; Wang, Bo; Wang, Xiaofeng
- Abstract
This study proposes a polarization-independent narrowband absorber based on silicon dioxide and gold composition, which can work for both TE and TM polarizations. The transverse electric polarization absorption efficiency of the absorber at 731 nm is 99.34%, and the transverse magnetic polarization absorption efficiency at 741 nm is 94.82%. We studied the normalized electromagnetic field distribution at resonance wavelengths under TE polarization and TM polarization, which could illustrate the electromagnetic intensity distribution in the absorber. Finally, the parameter tolerance of the absorber was studied and analyzed, and it was found that this polarization-independent narrowband absorber has great application prospects. It can be applied in fields such as high-sensitivity sensors and optical detection.
- Subjects
SILICA; POLARIZATION (Electricity); GOLD; ELECTROMAGNETIC fields; OPTICAL sensors; BISMUTH telluride
- Publication
Plasmonics, 2023, Vol 18, Issue 6, p2315
- ISSN
1557-1955
- Publication type
Article
- DOI
10.1007/s11468-023-01952-4