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 …

The number of vision sensors continues to increase with the rapid development of intelligent
systems. The effective transmitting and processing of the sensing data become difficult due …

A significant need exists for high-sensitivity, high-flexibility, and low-power piezophototronic
sensors (PS) capable of monitoring small deformations or vibrations and polarization …

An optical frequency domain reflectometry (OFDR) shape sensor was demonstrated based
on a femtosecond-laser-inscribed weak fiber Bragg grating (WFBG) array in a multicore fiber …

We present the design and fabrication of an on-chip FBG interrogator based on arrayed
waveguide grating (AWG) technology. The spectral overlap between adjacent channels in …

The multicore fiber (MCF) shape sensing technology utilizes the strain distribution
characteristics of each core to achieve the three-dimensional shape reconstruction of the …

Photonic crystals (PCs) possess unique photonic band gap properties that can be used in
the field of sensors and smart displays if modulated on the micronano structure. Both …

Limited by the multiplexing number of fiber Bragg grating (FBG), further improvement in the
length of 3D shape sensing based on FBG technology is challenging. In this Letter, a …

We have proposed a novel integrated optics fiber sensor for curvature and temperature
measurement based on ring-core fiber (RCF) Bragg grating and Mach-Zehnder …

Flexible robots can reach a target treatment part with a complex shape and zigzagging path
in a limited space owing to the advantages of a highly flexible structure and high accuracy …