scholarly journals Tilted-fibre-Bragg-grating-based 800nm WDM interrogation system for strain, temperature, and refractive index sensing

2007 ◽  
Author(s):  
Rui Suo ◽  
Xianfeng Chen ◽  
Kaiming Zhou ◽  
Lin Zhang ◽  
Ian Bennion ◽  
...  
Keyword(s):  
Refractive Index ◽  
Bragg Grating ◽  
Fibre Bragg Grating ◽  
Refractive Index Sensing

Apodized fibre Bragg grating with modulated refractive index change for transmissive gain equalization

Optik ◽  
2011 ◽  
Vol 122 (17) ◽  
pp. 1569-1571
Author(s):  
M.R. Mokhtar ◽  
E.S.A. Rahman ◽  
M. Ibsen ◽  
H.A. Abdul Rashid ◽  
H.Y. Wong ◽  
...  
Keyword(s):  
Refractive Index ◽  
Refractive Index Change ◽  
Bragg Grating ◽  
Fibre Bragg Grating ◽  
Index Change ◽  
Gain Equalization

scholarly journals Simulation of Fibre Bragg Grating as Strain Sensor for Property Intrusion

2021 ◽  
Vol 9 (12) ◽  
pp. 1862-1868
Author(s):  
Muhammad Arif Bin Jalil
Keyword(s):  
Refractive Index ◽  
Strain Sensor ◽  
Ground Vibration ◽  
High Sensitivity ◽  
Bragg Grating ◽  
Fibre Bragg Grating ◽  
Spectral Reflectivity ◽  
Sensing Technology ◽  
Safety Property ◽  
Sensor Strain

Abstract: This study will demonstrate a strain sensor based on the optical Fibre Bragg Grating (FBG) sensing technology as it is known to have stable and reliable wavelength and response as function of the applied strain. This kind of sensor can perform accurate measurements of small ground vibration and monitor seismic activity thanks to their high sensitivity to dynamic strains induced by acceleration variation which can use to prevent property intrusion or burglary. To understand the FBG sensor more, few of its characteristics such as strain, spectral reflectivity and bandwidth and their connection with the fibre grating length and refractive index is being studied. Keywords: Fibre Bragg Grating(FBG); strain sensor; strain; spectral reflectivity; bandwidth; fibre grating length; refractive index; safety; property intrusion.

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