Results 41 to 50 of about 329,923 (395)

ANALYSIS OF THE ACCURACY OF FIBRE-OPTIC STRAIN GAUGES [PDF]

, 2017
In recent years, the field of structure monitoring has been making increasing use of systems based on fiber-optic technologies. Fiber-optic technology offers many advantages, including higher quality measurements, greater reliability, easier installation
Jiroutová , Dita, Vokáč , Miroslav
core   +1 more source

Fabry-Perot Interferometric High-Temperature Sensing Up to 1200 °C Based on a Silica Glass Photonic Crystal Fiber

Sensors, 2018
A Fabry-Perot interferometric sensor for temperature measurement was fabricated based on a silica glass solid-core photonic crystal fiber with a central air-bore.
Haihu Yu, Ying Wang, Jian Ma, Zhou Zheng, Zhuozhao Luo, Yu Zheng   +5 more
doaj   +1 more source

Miniature fiber-optic tip pressure sensor assembled by hydroxide catalysis bonding technology.

Optics Express, 2020
A miniature fiber-optic tip Fabry-Perot (FP) pressure sensor with excellent high-temperature survivability, assembled by hydroxide catalysis bonding (HCB) technology, is proposed and experimentally demonstrated.
Yueying Liu, Zhenguo Jing, Rui Li, Yang Zhang, Qiang Liu, Ang Li, Chao Zhang, W. Peng   +7 more
semanticscholar   +1 more source

Distributed fiber optic interferometric geophone system based on draw tower gratings

Photonic Sensors, 2017
A distributed fiber optic interferometric geophone array based on draw tower grating (DTG) array is proposed. The DTG geophone array is made by the DTG array fabricated based on a near-contact exposure through a phase mask during the fiber drawing ...
Ruquan Xu, Huiyong Guo, Lei Liang
doaj   +1 more source

Ultra-Weak Fiber Bragg Grating Sensing Network Coated with Sensitive Material for Multi-Parameter Measurements

Sensors, 2017
A multi-parameter measurement system based on ultra-weak fiber Bragg grating (UFBG) array with sensitive material was proposed and experimentally demonstrated.
Wei Bai, Minghong Yang, Chenyuan Hu, Jixiang Dai, Xuexiang Zhong, Shuai Huang, Gaopeng Wang   +6 more
doaj   +1 more source

Crack monitoring on concrete structures with distributed fiber optic sensors—Toward automated data evaluation and assessment

Structural Concrete, 2023
The ability to measure strains quasi‐continuously with high spatial resolution makes distributed fiber optic sensing a promising technology for structural health monitoring as it allows to locate and measure damages in concrete structures, such as cracks.
Bertram Richter, Max Herbers, Steffen Marx   +2 more
semanticscholar   +1 more source

A novel high temperature resistant Mo-Cu functional gradient coating for optic fiber Bragg grating

Results in Physics, 2019
A novel metal gradient coating of optic fiber, which contains a molybdenum (Mo)-copper (Cu) functional gradient layer and a nickel (Ni) protective layer, is fabricated by magnetron sputtering and electroplating processes, respectively.
Jianyu He, Liyun Ding, Jun Cai, Wenjie Zhu, Jixiang Dai   +4 more
doaj   +1 more source

On-dimensional off-chip beam steering and shaping using optical phased arrays on silicon-on-insulator [PDF]

, 2011
Optical beam steering can find applications in several domains such as laser scanning, LiDAR (Light Detection And Ranging), wireless data transfer and optical switches and interconnects.
Karel Van Acoleyen, Katarzyna Komorowska, Roel Baets, Student Member, Wim Bogaerts   +4 more
core   +2 more sources

Highly Sensitive Two-Axis Bending Sensor Based on Arc-Induced Long Period Fiber Grating in Dual Side-Hole Fiber

IEEE Photonics Journal, 2018
A highly sensitive two-axis bending sensor based on long period fiber grating (LPFG) in a dual side-hole fiber (DSHF) is presented and experimentally investigated.
Yang Ouyang, Huiyong Guo, Xiaowei Ouyang, Xiaofeng Xu, Ciming Zhou, Ai Zhou   +5 more
doaj   +1 more source

Flexible fiber-laser ultrasound sensor for multiscale photoacoustic imaging

Opto-Electronic Advances, 2021
Photoacoustic imaging (PAI) is a noninvasive biomedical imaging technology capable of multiscale imaging of biological samples from organs down to cells.
Bai-Ou Guan, Long Jin, Jun Ma, Yizhi Liang, Xue Bai   +4 more
doaj   +1 more source