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FBG Interrogation Method with High Resolution and Response Speed Based on a Reflective-Matched FBG Scheme [PDF]

open access: yesSensors, 2015
In this paper, a high resolution and response speed interrogation method based on a reflective-matched Fiber Bragg Grating (FBG) scheme is investigated in detail. The nonlinear problem of the reflective-matched FBG sensing interrogation scheme is solved by establishing and optimizing the mathematical model.
Jiubin Tan, Junying Li, Kunpeng Feng
exaly   +4 more sources
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Tilt sensor with FBG technology and matched FBG demodulating method

IEEE Sensors Journal, 2006
A tilt measurement structure and signal detection method is proposed based on a self-demodulated fiber-Bragg grating (FBG) sensor, which consists of a couple of matched FBGs and a cantilever-based pendulum clinometer. Compared by the typical matched FBGs demodulating method, of which a sensing FBG and a demodulating filter FBG is placed separately ...
null Bao-Jin Peng   +3 more
openaire   +1 more source

Monitoring the regeneration process of a UV-inscribed FBG using IR femtosecond FBG

Optica Advanced Photonics Congress 2022, 2022
We show the possibility of using a femtosecond IR point-by-point inscribed grating as a probe to monitor the regeneration process of a UV-inscribed grating.
Nazila Safari Yazd   +2 more
openaire   +1 more source

800nm FBG sensing interrogation system based on tilted FBG

Optoelectronics Letters, 2007
An 800 nm band fiber Bragg grating sensing interrogation system using tilted FBG as the core wavelength division component is presented. A charge coupled device (CCD) linear array is put on the focal plane of the lens to detect the light. TFBG is used to tap light out of the fiber core to fiber cladding.
Bo Liu   +7 more
openaire   +1 more source

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