%0 Journal Article
%T Theoretical and Experimental Investigation of the Bending Sensitivity of the D-shaped Fiber Bragg Gratings<br>D形光纤Bragg光栅弯曲灵敏度的理论和实验研究
%A Institute of Lightwave Technology
%A Xiamen University
%A Xiamen Institute of Fiber Optics
%A Shanghai University
%A Shanghai
%A <br>周金龙
%A 董小鹏
%A 石志东
%J 光子学报
%D 2006
%I 
%X The axial strain of D-shaped fiber Bragg grating (D-FBG) and normal fiber Bragg grating induced by bending was analyzed with mechanics of materials. Bending sensitivity characteristic of Bragg wavelength's shift was obtained. Experiment result was in good agreement with the theory analysis. DFBG's bending sensitivity was about 80 times higher than normal circularly symmetrical FBG. The studied D-FBG can be directly applied in bending measurement,and indirectly in pressure or acceleration measurement. The theory analysis and experiment result was helpful for the design of device or sensor system using D-FBG.
%K D-shaped fiber Bragg grating(D-FBG)
%K Fiber bending sensing
%K Fiber Bragg grating sensor<br>D形光纤Bragg光栅
%K 光纤弯曲传感
%K 光纤光栅传感器
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=9F6139E34DAA109F9C104697BF49FC39&aid=5E7D96F8ACF24ECF&yid=37904DC365DD7266&vid=6209D9E8050195F5&iid=708DD6B15D2464E8&sid=09614E07E1BC4184&eid=D3EB3151C2B04CB9&journal_id=1004-4213&journal_name=光子学报&referenced_num=1&reference_num=10