Polymer planar Bragg grating for sensing applications

2013 ◽  
Author(s):  
M. Rosenberger ◽  
N. Hartlaub ◽  
G. Koller ◽  
S. Belle ◽  
B. Schmauss ◽  
...  
Keyword(s):  
Bragg Grating ◽  
Sensing Applications

All-fiber hybrid fiber Bragg grating cavity for multi-parameter sensing applications

2009 ◽  
Author(s):  
D. Paladino ◽  
G. Quero ◽  
A. Iadicicco ◽  
C. Caucheteur ◽  
P. Mégret ◽  
...  
Keyword(s):  
Fiber Bragg Grating ◽  
Bragg Grating ◽  
Hybrid Fiber ◽  
Sensing Applications

scholarly journals Fluorinated Polyimide-Film Based Temperature and Humidity Sensor Utilizing Fiber Bragg Grating

Sensors ◽  
2020 ◽  
Vol 20 (19) ◽  
pp. 5469
Author(s):  
Xiuxiu Xu ◽  
Mingming Luo ◽  
Jianfei Liu ◽  
Nannan Luan
Keyword(s):  
Fiber Bragg Grating ◽  
Humidity Sensor ◽  
Field Tests ◽  
Polyimide Film ◽  
Bragg Grating ◽  
Wavelength Shift ◽  
Sensing Applications ◽  
Fluorinated Polyimide ◽  
Temperature And Humidity ◽  
Fluoride Doping

We propose and demonstrate a temperature and humidity sensor based on a fluorinated polyimide film and fiber Bragg grating. Moisture-induced film expansion or contraction causes an extra strain, which is transferred to the fiber Bragg grating and leads to a humidity-dependent wavelength shift. The hydrophobic fluoride doping in the polyimide film helps to restrain its humidity hysteresis and provides a short moisture breathing time less than 2 min. Additionally, another cascaded fiber Bragg grating is used to exclude its thermal crosstalk, with a temperature accuracy of ±0.5 °C. Experimental monitoring over 9000 min revealed a considerable humidity accuracy better than ±3% relative humidity, due to the sensitized separate film-grating structure. The passive and electromagnetic immune sensor proved itself in field tests and could have sensing applications in the electro-sensitive storage of fuel, explosives, and chemicals.

Fiber-Bragg-Grating Based Single Axial Mode Fabry-Perot Interferometer and Its Strain and Acceleration Sensing Applications

2016 ◽  
Vol 34 (9) ◽  
pp. 2241-2250 ◽  
Author(s):  
Toshihiko Yoshino ◽  
Yasukazu Sano ◽  
Daisuke Ota ◽  
Keiichi Fujita ◽  
Takahiro Ikui
Keyword(s):  
Fiber Bragg Grating ◽  
Bragg Grating ◽  
Axial Mode ◽  
Sensing Applications ◽  
Fabry Perot

High temperature resistant fiber Bragg grating lasers for sensing applications

2009 ◽  
Author(s):  
Bai-Ou Guan ◽  
Yang Zhang ◽  
Hong-Jun Wang ◽  
Da Chen ◽  
Hwa-Yaw Tam
Keyword(s):  
High Temperature ◽  
Fiber Bragg Grating ◽  
Bragg Grating ◽  
Sensing Applications

A photonic nano-Bragg grating device integrated with microfluidic channels for bio-sensing applications

2009 ◽  
Vol 86 (4-6) ◽  
pp. 1488-1490 ◽  
Author(s):  
A.S. Jugessur ◽  
J. Dou ◽  
J.S. Aitchison ◽  
R.M. De La Rue ◽  
M. Gnan
Keyword(s):  
Bragg Grating ◽  
Microfluidic Channels ◽  
Sensing Applications

scholarly journals On-line Writing of Fiber Bragg Grating Array on a Two-mode Optical Fiber for Sensing Applications

Materials ◽  
2019 ◽  
Vol 12 (8) ◽  
pp. 1263 ◽  
Author(s):  
Haihu Yu ◽  
Wenjing Gao ◽  
Xin Jiang ◽  
Huiyong Guo ◽  
Shan Jiang ◽  
...  
Keyword(s):  
Fiber Bragg Grating ◽  
Health Monitoring ◽  
Simultaneous Detection ◽  
Bragg Grating ◽  
Curvature Sensing ◽  
Fiber Sensing ◽  
Sensing System ◽  
Sensing Applications ◽  
On Line ◽  
Grating Array

On-line fabricated fiber Bragg grating (FBG) array and its sensing potentials have attracted plenty of attention in recent years. In this paper, FBG arrays are written on-line on a two-mode fiber, and this two-mode fiber Bragg grating (TM-FBG) is further experimentally investigated for temperature and curvature sensing. The responses of this sensor were characterized by 11.2 pm/°C and −0.21 dB/m−1 for temperature and curvature, respectively. Based on the measurements, a dual-parameter fiber sensing system was developed, which can realize the quasi-distributed, simultaneous detection of temperature and curvature, making it suitable for structural health monitoring or perimeter security.

Fiber Bragg Grating Sensors - Advancements and Industrial Applications

2008 ◽  
Vol 55 ◽  
pp. 213-222 ◽  
Author(s):  
Agostino Iadicicco ◽  
Antonello Cutolo ◽  
Andrea Cusano
Keyword(s):  
Fiber Bragg Grating ◽  
Oil And Gas ◽  
Low Cost ◽  
Single Point ◽  
Industrial Applications ◽  
Bragg Grating ◽  
Fiber Sensors ◽  
Sensing Applications ◽  
Pressure Chemical ◽  
Wave Sensors

Over the last few years, optical fiber sensors have seen increased acceptance and widespread use for a variety of applications ranging from structural sensing and health monitoring of composites and structures in civil and aeronautic areas; to pressure and temperature sensors for oil and gas reservoir monitoring to name just a few. Among them Fiber Bragg Grating (FBG) based sensors have become widely known and popular within and out the photonics community and seen a rise in their utilization and commercial growth. Given the capability of FBGs to measure a multitude of parameters such as strain, temperature, pressure, chemical and bio-logical agents and many others coupled with their flexibility of design to be used as single point or multi-point sensing arrays and their relative low cost, make them ideal devices to be adopted for a multitude of different sensing applications and implemented in different fields and industries. This work first focuses on some recent experiences in the use of FBGs for opto-acoustic sensors and railway monitoring and then reviews the advances in the area of FBGs evanescent wave sensors as valuable technological platforms for chemical and biological applications.

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