Sensitivity Improvement in Fiber Bragg Grating Sensors Using All-Fiber Weak Value Amplification Based on Optical Attenuation

Yoo, Kwang Wook; Han, Young‐Geun

doi:10.1109/jlt.2017.2762695

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Performance Evaluation Of the Strain Sensors1

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“…In Reference [ 65 ], the authors used an optical attenuator to improve the sensitivity of an FBG sensor. A slight enhancement was obtained by carefully controlling the optical attenuation.…”

Section: Performance Evaluation Of the Strain Sensorsmentioning

confidence: 99%

Fibre Bragg Grating Based Strain Sensors: Review of Technology and Applications

Campanella

Cuccovillo²,

Yurt³

et al. 2018

Sensors

352

185

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Fibre Bragg grating (FBG) strain sensors are not only a very well-established research field, but they are also acquiring a bigger market share due to their sensitivity and low costs. In this paper we review FBG strain sensors with high focus on the underlying physical principles, the interrogation, and the read-out techniques. Particular emphasis is given to recent advances in highly-performing, single head FBG, a category FBG strain sensors belong to. Different sensing schemes are described, including FBG strain sensors based on mode splitting. Their operation principle and performance are reported and compared with the conventional architectures. In conclusion, some advanced applications and key sectors the global fibre-optic strain sensors market are envisaged, as well as the main market players acting in this field.

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Section: Performance Evaluation Of the Strain Sensorsmentioning

confidence: 99%