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With the development of State Strong Smart Grid, optical current transducer based on Faraday magneto-optical effect will become an ideal transducer to service the grid. However, due to the impact of temperature drift in practice, it can not work in the long-term stable situation. To solve the problem, the double closed-loop self-tuning method is proposed in this paper for the first time. This system...
With the development of HVDC project in State Strong Smart Grid, the Faraday magneto-optical effect optical current transformer has been paid more and more attention to. However, the signal to noise bands overlap in original Faraday effect DC optical current transformer causes its measurement accuracy to decrease. Therefore, this paper presents a Faraday magneto-optical effect DC optical sensing method...
A wide variety of optical resonator structures have been used for label-free detection of chemical compounds, biomolecules, and cells, and several approaches have been developed commercially for application in life science research, environmental monitoring, quality control testing, and diagnostic testing. Label-free resonant optical sensors generally detect shifts in resonant wavelength or coupling...
We present a model for predicting photonic crystal label-free biosensor performance based primarily on the spatial distribution of electromagnetic near fields at device resonance. To achieve maximum device sensitivity, the resonant fields can be shaped by careful choice of material and geometrical parameters. The effect of each property on the resonant mode profile, and consequently on sensor performance,...
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