Fiber Bragg grating accelerometer based on a transversely rotating stick
Li, Kuo, Chan, Tommy H.T., Yau, Man Hong, Thambiratnam, David, & Tam, Hwa-Yaw (2015) Fiber Bragg grating accelerometer based on a transversely rotating stick. Optik: International Journal for Light and Electron Optics, 126(23), pp. 4337-4341.
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Fiber Bragg Grating (FBG) accelerometers using transverse forces with an inertial object placed at the middle of the FBG have a high sensitivity but low resonant frequency. The resonant frequency 26 Hz and sensitivity at 6 Hz 1.29 nm/g were reported based on a 50mm-long FBG accelerometer. We demonstrate that the first FBG accelerometer based on a transversely rotating stick, which can, at the same or even larger size, keep the high sensitivity and significantly increase the low resonant frequency. In our experiments, a 77.5mm-long FBG accelerometer has achieved a similar sensitivity but 65% higher resonant frequency. This novel structure not only significantly widens the potential applications of FBG accelerometers by increasing their resonant frequencies but also provides a new route to design other accelerometers, e.g. micro accelerometers.
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|Item Type:||Journal Article|
|Keywords:||Fiber Bragg Grating (FBG) accelerometers, Sensitivity, Frequency|
|Divisions:||Current > QUT Faculties and Divisions > Chancellery
Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2015 Elsevier GmbH|
|Copyright Statement:||Licensed under the Creative Commons Attribution; Non-Commercial; No-Derivatives 4.0 International. DOI:|
|Deposited On:||01 Oct 2015 23:55|
|Last Modified:||16 May 2016 12:27|
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