Optical fibers have been involved in the area of sensing applications for more than four
decades. Moreover, interferometric optical fiber sensors have attracted broad interest for …

Optical fiber technology has changed the world by enabling extraordinary growth in world-
wide communications and sensing. The rapid development and wide deployment of optical …

Long period fiber gratings produced by the electric arc technique have found an increasing
interest by the scientific community due to their ease to fabricate, virtually enabling the …

A data-driven-based methodology for SHM in reinforced concrete structures using
embedded fiber optic sensors and pattern recognition techniques is presented. A prototype …

In this work an Intrinsic Fabry-Perot Interferometer (IFPI) based on an air-microcavity is
presented. Here the air microcavity, with silica walls, is formed at a segment of a hollow core …

This review is focused on microstructured optical fiber sensors developed in recent years for
liquid RI sensing. The review is divided into three parts: the first section introduces a general …

A compact temperature-refractive index (RI) flat photonic crystal fiber (PCF) sensor based on
surface plasmon resonance (SPR) is presented in this paper. Sensing of temperature and RI …

Improving the sensing capabilities of miniaturized probes nanofabricated on the tip of optical
fibers is crucial for a large number of sensing applications in remote and harsh environ …

The response of a novel long-period fiber grating (LPFG) with a period of 180 µm to a
surrounding refractive index (RI) was investigated. The results displayed that, with the …

An optical fiber sensing system integrating a fiber Bragg grating (FBG) sensor, a long-period
fiber grating (LPFG) optical filter and a photodetector is presented to monitor the dynamic …