Nanoparticles functionalized long-period fiber grating for sensing applications (Conference Presentation)

Di Wu; Fan Yang; Fei Tian

doi:10.1117/12.2305237

14 May 2018 Nanoparticles functionalized long-period fiber grating for sensing applications (Conference Presentation)

Di Wu, Fan Yang, Fei Tian

Proceedings Volume 10654, Fiber Optic Sensors and Applications XV; 106540K (2018) https://doi.org/10.1117/12.2305237
Event: SPIE Commercial + Scientific Sensing and Imaging, 2018, Orlando, FL, United States

Abstract

Manganese is an important heavy metal element that influences nervous system. Detection of manganese in various mediums has thus attracted lots of attentions. Here we report a study on silver nanoparticles functionalized long-period fiber grating (LPFG) for manganese sensing. Silver nanoparticles (AgNPs) with a size in the range of 70nm10nm were synthesized with polyvinyl pyrrolidone (PVP)-glycol. The interplay between arginine, an agent that can cause aggregation of AgNPs, and Mn2+ leads to refractive index change in the AgNPs colloidal solution, thus a shift in the resonance wavelength of LPFG that is surrounded by the colloidal solution. A sensitivity of 0.2nm shift/10-6M was achieved using such strategy. We believe the integration of nanoparticles with LPFG represents a promising sensing strategy for more advanced applications important for not only environmental but also health science.

Conference Presentation

Citation Download Citation

Di Wu, Fan Yang, and Fei Tian "Nanoparticles functionalized long-period fiber grating for sensing applications (Conference Presentation)", Proc. SPIE 10654, Fiber Optic Sensors and Applications XV, 106540K (14 May 2018); https://doi.org/10.1117/12.2305237

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KEYWORDS

Nanoparticles

Manganese

Silver

Chemical elements

Environmental sensing

Health sciences

Metals

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