Open AccessFiber-optic grating sensing based on thin-walled ring section beam
Author(s) -
Xue Li-Fang,
Qida Zhao,
Jianguo Liu,
Tuan Guo,
Huang Gui-Ling,
Lihui Liu
Publication year - 2006
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.55.2804
Subject(s) - materials science , optics , grating , beam (structure) , ring (chemistry) , fiber bragg grating , optical fiber , optoelectronics , physics , chemistry , organic chemistry
Fiber-optic grating sensing based on Loop thin-walled ring section beam is proposed and demonstrated. The temperature and stress can be measured simultaneously using only one fiber grating. The strain of the thin-walled ring section beam is investigated theoretically and experimentally. The result shows the local strain varies as the cosine function of twice the positional angle.