Optical curvature sensor based on polarization characteristics of optical fiber

Y Su, J Wang, J Li, Z Xu, Y Wang - Optics Express, 2023 - opg.optica.org
Curvature measurement plays an important role in various applications. An optical curvature
sensor based on polarization characteristics of optical fiber is proposed and verified by …

Experimental study of an intensity-modulated curvature sensor with high sensitivity based on microstructured optical fiber

Z Yin, X Jing, K Li, B Wu - Optics express, 2023 - opg.optica.org
Surface Plasmon Resonance (SPR) based fiber optic curvature sensors have the advantage
of being insensitive to temperature and axial strain. However, they have the disadvantage of …

Sensing principle of fiber-optic curvature sensor

H Di - Optics & Laser Technology, 2014 - Elsevier
A novel fiber-optic sensor, which can measure curvature directly, has been developed in
recent years. Its curvature measurement sensitivity is improved by a sensitive zone. To better …

Fiber-optic curvature sensor with optimized sensitive zone

Y Fu, H Di - Optics & Laser Technology, 2011 - Elsevier
A novel fiber-optic sensor that can measure curvature directly has been developed
previously. In this paper, the transduction of curvature to light intensity is described …

Curvature sensor based on a two-core optical fiber

JR Guzman-Sepulveda, R Dominguez-Cruz… - … Electronics and Laser …, 2012 - opg.optica.org
A curvature fiber optic sensor using a Two-Core fiber is demonstrated. The sensor spectral
response shifts as the fiber is bent while the intensity peaks remain practically unaltered …

Highly sensitive optical fiber curvature sensor based on a seven-core fiber with a twisted structure

W Chen, Z Chen, Y Qiu, L Kong, H Lin, C Jia, H Chen… - Applied …, 2019 - opg.optica.org
A highly sensitive Mach–Zehnder interferometer based on a twisted structure in seven-core
fiber (SCF) for curvature measurement is investigated both theoretically and experimentally …

Compact optical fiber curvature sensor based on concatenating two tapers

D Monzon-Hernandez, A Martinez-Rios… - Optics letters, 2011 - opg.optica.org
A low-loss, compact, and highly sensitive optical fiber curvature sensor is presented. The
device consists of two identical low-loss fused fiber tapers in tandem separated by a …

High-sensitive intensity modulated curvature sensor based on D-shaped fiber wrapped in PDMS Film

F Li, Y Wen, K Wan, F Feng, B Sun, K Zhou - Optical Fiber Sensors, 2022 - opg.optica.org
The curvature sensor, which consists of wrapping the coreless D-shaped optical fiber in
polydimethylsiloxane (PDMS) film is experimentally proposed. High-sensitive curvature …

Light intensity modulation fiber-optic sensor for curvature measurement

Y Fu, H Di, R Liu - Optics & Laser Technology, 2010 - Elsevier
A light intensity modulation fiber-optic sensor, which can measure curvature directly, has
been developed. It is suitable for the measurement of thin, embedded or highly flexible …

Highly Sensitive Optical Fiber Sensor Enables Bi-directional and Wide-range Curvature Sensing by Combining with LSTM

S Yu, Z Tan, W Yang, R Pan, D Ma… - IEEE Sensors Journal, 2023 - ieeexplore.ieee.org
A highly sensitive optical fiber sensor based on Mach–Zehnder was designed, which can
achieve bidirectional as well as wide-range curvature measurements by combining with …