One-dimensional magnetophotonic crystals based on double-layer Bi-substituted iron garnet filmsстатья
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Дата последнего поиска статьи во внешних источниках: 8 апреля 2022 г.
Аннотация:In the present work the fabrication process and properties of periodic one-dimensional magnetophotonic
crystal GGG (111)/M1/SiO2/[M2/M1/SiO2]4 in which as magnetic active layers were
used double-layer Bi-substituted iron garnet films with high (Bi2.8Y0.2Fe5O12 : M1) and low
(Bi1.0Y0.5Gd1.5Fe4.2.Al0.8O12 : M2) bismuth content were described. The Faraday effect and the
parameters of ferromagnetic resonance were measured at different stages of magnetophotonic
crystal formation. The theoretical and experimental magnetophotonic crystal transmission
spectra displayed three photonic band gaps in the wavelength range of 450–1800 nm. The
Faraday effect enhancement at the vicinity of the second photonic band gap at wavelength
710 nm was 2.6 times in comparison with combined (M1 + M2) layer and the effective value of
Faraday rotation at the same wavelength reached –6.7 8/lm.