2018
DOI: 10.1016/j.yofte.2017.09.003
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Experimental study on an FBG strain sensor

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Cited by 59 publications
(24 citation statements)
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“…The pasted FBGs can measure the strain of the convex surfaces of the rubber strip, the relationship between the center wavelength and the strain of the FBG is as follows [21]:normalΔλλ=false(1Pefalse)ε where Δ λ is the change of the center wavelength of the FBG caused by the strain ε , λ is the center wavelength of the FBG, and P e is the elastic-optical coefficient of optical fiber.…”
Section: Analysis Of the Fbg Strain Sensormentioning
confidence: 99%
“…The pasted FBGs can measure the strain of the convex surfaces of the rubber strip, the relationship between the center wavelength and the strain of the FBG is as follows [21]:normalΔλλ=false(1Pefalse)ε where Δ λ is the change of the center wavelength of the FBG caused by the strain ε , λ is the center wavelength of the FBG, and P e is the elastic-optical coefficient of optical fiber.…”
Section: Analysis Of the Fbg Strain Sensormentioning
confidence: 99%
“…However, to increase sensitivity, the sensor has to be installed as far as possible from the central axis of the bend. To measure bend deformations inside channels and pipes, special composite structures have to be designed, based on transducers that convert bending deformations to a linear deformation of the sensors [4,5,6,7,8,9,10] attached to the side surface of the transducer. Such sensor systems allow, for example, to conduct the measurements by inserting the sensing element into the channel of the object under investigation.…”
Section: Introductionmentioning
confidence: 99%
“…Another solution is applying differential measurement schemes that are insensitive to temperature, but require several independent lines of sensing elements [7,14]. Most commonly, the two-axis bend deformation sensor has a circle cross-section [5,6,7]. Its diameter is determined by the application area, as well as the required sensitivity to the bending deformation magnitude.…”
Section: Introductionmentioning
confidence: 99%
“…Compared with the traditional electrical sensors, the fiber-optic strain sensors have been widely studied and applied owing to their unique advantages of compact size, immunity to electromagnetic interference, resistant to corrosion and permissible embedment [5]. So far fiber Bragg gratings sensors (FBG) [6], [7] have been developed rapidly due to their advantages of high multiplexing capability and high sensitivity. However, due to the limited length of the grating region, the strain can only be measured point by point.…”
Section: Introductionmentioning
confidence: 99%