On the sensitivity of liquid-core photonic Bragg fibers

Jingwen Li

doi:10.1117/1.OE.58.5.057105

15 May 2019 On the sensitivity of liquid-core photonic Bragg fibers

Jingwen Li

Author Affiliations +

Optical Engineering, Vol. 58, Issue 5, 057105 (May 2019). https://doi.org/10.1117/1.OE.58.5.057105

Abstract

Sensitivity is of particular importance in developing liquid-core Bragg fiber sensors for refractometry instrumentations. We study the factors that influence the sensitivity of such sensors and propose to enhance it by optimizing the Bragg fiber geometry. Both theoretical analysis and experimental demonstrations have been performed to verify the feasibility. By designing and fabricating Bragg fibers with optimized bilayer thicknesses, we have enhanced the sensitivity. Furthermore, we studied the influence of fiber length on the sensitivity. Finally, we propose one possible portable sensing configuration on smartphones.

Citation Download Citation

Jingwen Li "On the sensitivity of liquid-core photonic Bragg fibers," Optical Engineering 58(5), 057105 (15 May 2019). https://doi.org/10.1117/1.OE.58.5.057105

Received: 4 February 2019; Accepted: 25 April 2019; Published: 15 May 2019

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