Optical fiber sensors present several advantages in relation to other types of sensors. These
advantages are essentially related to the optical fiber properties, ie, small, lightweight …

Optical fiber sensors have been studied, developed, and already used in the industry for
more than 50 years due to their multiplexing capabilities, lightweight design, compact form …

A fiber optics sensor based on the structure of no-core fiber/few-mode fiber coated with a
smart hydrogel membrane/no-core fiber, cascading a fiber Bragg grating for temperature …

In this work, a novel optical fiber sensor capable of measuring both the liquid level and its
refractive index is designed, manufactured and demonstrated through simulations and …

This study presents a fiber optic liquid level sensor (FOLLS) by acquiring information from
the amplitude of spectral fast Fourier transform (FFT) in a specified narrow wavelength …

This study firstly proposes and experimentally demonstrates a phase demodulation method
with high sensitivity for interferometric fiber sensors (IFSs) on the basis of the fast Fourier …

This paper presents a novel capillary structure for liquid level measurement. The multifiber
interferometric structure, which employs two capillary sections, is well-suited to the …

We demonstrated a high-sensitivity liquid level sensor based on the balloon-shaped fiber
Mach-Zehnder interferometer (MZI). To make an optical fiber MZI sensor, a bare single mode …

The in-service monitoring of civil infrastructures is an important task required to achieve their
smart operation. This task requires the installation of sensors to continuously check and …

Interferometric fiber-optic sensors provide very high measurement accuracy and come with
many other benefits. As such, the study of signal processing techniques for fiber-optic …