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Title: Optical bend sensor for vector curvature measurement based on Bragg grating in eccentric core polymer optical fibre
Authors: Chen, Xianfeng
Zhang, C.
Webb, David J. 
Suo, R.
Kalli, Kyriacos 
Issue Date: 2009
Publisher: SPIE--The International Society for Optical Engineering
Source: 20th International Conference on Optical Fibre Sensors, 2009, Vol. 7503, 750327
Abstract: We present an optical bend sensor based on a Bragg grating written in an eccentric core polymer optical fibre. The grating wavelength shifts are studied as a function of bend curvature and fibre orientation and the device exhibits strong fibre orientation dependence, wide bend curvature range of ± 22.7 m-1 and high bend sensitivity of 63 pm/m-1, which is 80 times higher than the reported sensor based on an offset-FBG in standard single mode silica fibre.
DOI: 10.1117/12.834958
Rights: © 2009 SPIE--The International Society for Optical Engineering
Appears in Collections:Δημοσιεύσεις σε συνέδρια/Conference papers

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