The aim of this paper is to provide a comprehensive review of mode-division and spatial-
division optical fiber sensors, mainly encompassing interferometers and advanced fiber …

This study presents the VC-BM, a novel vector bamboo joint cascaded microcavity curvature
sensor, which utilizes light intensity correlation. The device is fabricated using arc fusion …

A large number of slopes appear along the line during railway construction, which will pose
a threat to railway safety operation. Slope monitoring plays an important role in ensuring the …

This paper constructs a novel curvature demodulation method for Mach-Zehnder
interferometer (MZI) optical fiber sensors. The method is composed of two parts: spectral …

A complex signal processing technique is usually required to process the data in most
sensor design structures, and integration into real applications is also challenging. This work …

A novel optical torsion and bending dual-parameter sensor based on the detection of a
coupled few-mode multi-core fiber (FM-MCF) specklegrams is proposed and experimentally …

The real-time interrogation of optical fiber sensors is highly desirable in a wide range of
applications that require precise and dynamic measurements. Herein, a novel real-time …

Currently, all the technology used for seismic monitoring is based on sensors in the
electrical domain. There are, however, other physical principles that may enable and fully …

The advantage of the fiber surface plasmon resonance (SPR) curvature sensor is being
insensitive to temperature and axial strain, but multidimensional curvature measurement has …

We proposed a compact and tunable multimode interferometer (MMI) based on an
asymmetric wavy fiber (AMWF), which has axial offset, off-center taper waist, and micro …