AI Article Synopsis
- - A new broadband terahertz metasurface was developed for cross-polarization conversion, utilizing two nested double-split rings for improved functionality.
- - It demonstrates high performance, achieving over 99% polarization conversion efficiency from 90 to 140 GHz, and maintains over 90% efficiency even at a 50° angle of incidence.
- - The experimental results from creating a sample with a 50×70 array closely matched the simulations, suggesting that this technology could significantly boost cross-polarization converter performance in the terahertz spectrum.
Article Abstract
In this paper, a broadband terahertz metasurface dedicated to cross-polarization conversion was designed, fabricated, and assessed. The metasurface, comprising two nested double-split rings, features an inherent insensitivity to the angle of incidence. Simulations reveal that the converter achieves a >99 polarization conversion efficiency across the 90-140 GHz range. Moreover, it maintains a >90 polarization conversion ratio (PCR), even at a 50° incidence angle. The sample, featuring 50×70 arrays, was fabricated, and the relevant experimental results align closely with the simulated outcomes. The metasurface characteristics can markedly enhance the performance of cross-polarization converters operating in the terahertz range.
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| http://dx.doi.org/10.1364/AO.517364 | DOI Listing |
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