Micro-Deformed Looped Fiber Taper With High Sensitivity to Refractive Index

Enriquez-Gomez, L. F.; Guerrero-Viramontes, J.A.; Martı́nez-Rios, A.; Salceda-Delgado, G.; Toral-Acosta, Daniel; Porraz-Culebro, Teresa Elena; Selvas-Aguilar, R.; Rosa, Kenia Madrazo de la; Anzueto-Sánchez, G.

doi:10.1109/lpt.2019.2958270

Cited by 4 publications

(1 citation statement)

References 16 publications

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“…High-accuracy refractive index (RI) detection has been widely used in the fields of disease diagnosis, pharmaceutical analysis, environmental monitoring [1][2][3][4] , and so on. Especially for the biological sensing applications, biosample liquids containing trace amounts of biomolecules are usually at a relatively low RI level and the RI variations induced by biochemical reaction are generally small [5][6][7][8] . Hence, achieving high-accuracy RI sensors are of fundamental interest and play important roles in the biosensing fields.…”

Section: Introductionmentioning

confidence: 99%

Sensitivity-enhanced refractive index sensor based on exposed-core single-hole microstructured fiber

Song

et al. 2022

Thirteenth International Conference on Information Optics and Photonics (CIOP 2022)

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Microstructured fibers with geometric versatility, and exceptional guiding properties, show unique advantage in constructing high-performance sensors. In this paper, a sensitivity-enhanced fiber-optic sensor based on an exposedcore single-hole microstructured fiber (SHMF) is proposed and experimentally demonstrated for the refractive index (RI) measurement of liquid samples. Experimental results show that the RI sensitivity of the exposed-core microstructured fiber is 375.77 nm/RIU in the low-range of 1.3409~1.3522. With the advantages of enhanced lightmatter interaction ability, tight light confinement and mechanical robustness, the proposed sensor based on exposedcore single-hole microstructured fiber offers great potential in biological and chemical sensing applications.

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