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. For RIS, with the change in magnetic field intensity, it could detect refractive index in the ranges of 2.45-2.33 at 1.25 T, 2.33-2.21 at 1.15 T, 2.21-2.09 at 1.05 T, and 2.09-1.97 at 0.65 T, with respective sensitivities of -28° per RIU, -16° per RIU, -18.33° per RIU, and -9.38° per RIU, showcasing broad detection ranges and high sensitivities. Notably, the MS could maintain high transmission (greater than 0.8) in the RIS range from -60° to 0°, enabling dynamic angle selection for refractive index and plasma density. Therefore, it holds promising prospects in the real-time monitoring of refractive index and plasma density changes in healthcare- and environment-related applications, such as in early disease diagnosis, air quality monitoring and detecting metabolic activity or harmful substances.
Pei et al. (Tue,) studied this question.