Abstract
A gold microparticle-doped silica microfiber was proposed in this paper. The refractive index sensing properties were experimentally and calculatedly demonstrated by transmission spectra using glucose solution with different concentrations, where the redshift of resonance peaks has been analyzed for the concentrations range from 0 to 0.282 mol/L. The experimental results indicate the detection limit of 53.2 μmol/L. The sensing characteristics of pure silica microfiber were experimentally and calculatedly explored to demonstrate the impact of the gold particles introduction on the sensitivity enhancement. The miniature geometry will prompt the development of the novel wearable or implantable glucose sensor.
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Acknowledgements
The authors thank the support from National Natural Science Foundation for Young Scholars of China under Grants 61405032, 61403074 and 61605031, National Natural Science Foundation for Distinguished Young Scholars of China under Grant 61425003, Doctoral Scientific Research Startup Foundation of Liaoning Province under Grant 201501144, Fundamental Research Funds for the Central Universities under Grants N150404022 and N150401001.
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Hu, H., Li, J., Li, H. et al. Research on the glucose-sensing characteristics of gold microparticle-doped silica microfiber based on refractive index measurement. Appl. Phys. B 122, 282 (2016). https://doi.org/10.1007/s00340-016-6560-3
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DOI: https://doi.org/10.1007/s00340-016-6560-3