Biaxial anisotropy of α-MoO3 in a TiO2 nanobar metasurface produces asymmetric-Q Fano resonances (Q=87 TE, Q=31 TM) that deliver distinct refractive-index sensing performance in each polarization channel.
Materials pushing the application limits of wire grid polarizers further into the deep ultraviolet spectral range.Adv
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2026 1verdicts
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van der Waals Crystal Anisotropy Controls Dual-Channel Refractive Index Sensing in a TiO$_{2}$/$\alpha$-MoO$_{3}$ Nanobar Metasurface
Biaxial anisotropy of α-MoO3 in a TiO2 nanobar metasurface produces asymmetric-Q Fano resonances (Q=87 TE, Q=31 TM) that deliver distinct refractive-index sensing performance in each polarization channel.