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 …

In recent years, multicore fiber (MCF) has attracted increasing interest for sensing
applications, due to its unique fiber structure of multiple parallel cores in a single fiber …

A multicore fiber Bragg grating (MC-FBG) array shape sensor is a powerful tool for a variety
of applications. However, the efficient fabrication of high-quality MC-FBG arrays remains a …

A miniature fiber Bragg grating (FBG) vibration sensor with high performance and low angle
dependence has been proposed and applied in the 2-D vibration measurement of a …

Improving the accuracy of shape sensors based on multicore fibers (MCFs) is challenging
but of great importance for real-time 3D shape detection, especially in visually inaccessible …

A 2-D vector vibration sensor is designed and fabricated by using an optical fiber double-
clamped beam with four-core fiber Bragg gratings (FBGs) and a mass block that is glued in …

Multi-dimensional acceleration sensors are used in important applications in the aerospace,
weapon equipment, and nuclear fields and have strict requirements in terms of performance …

With the increase in the demand for large-capacity optical communication capacity, multi-
core optical fiber (MCF) communication technology has developed, and both the types of …

We propose and demonstrate a novel method for improving the sensitivity of fiber-optic
interferometric accelerometers based on multi-core fiber space division multiplexing …

A fiber optic accelerometer with a high sensitivity, low noise, and compact size is proposed
for low-frequency acceleration sensing. The sensor is composed of a 20 mm diameter …