Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7447
Title: Fiber Bragg grating strain modulation based on nonlinear string transverse-force amplifier
Authors: Li, K
Yau, MH
Chan, THT
Thambiratnam, D
Tam, HY 
Issue Date: 2013
Source: Optics letters, 2013, v. 38, no. 3, p. 311-313
Abstract: The only effective method of fiber Bragg grating (FBG) strain modulation has been by changing the distance between its two fixed ends. We demonstrate an alternative that is more sensitive to force based on the nonlinear amplification relationship between a transverse force applied to a stretched string and its induced axial force. It may improve the sensitivity and size of an FBG force sensor, reduce the number of FBGs needed for multiaxial force monitoring, and control the resonant frequency of an FBG accelerometer.
Publisher: Optical Society of America
Journal: Optics letters 
ISSN: 0146-9592
EISSN: 1539-4794
DOI: 10.1364/OL.38.000311
Appears in Collections:Journal/Magazine Article

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