Title :
The Study of a New Structure of Fiber Bragg Grating with FFPI Filter for Force Sensing
Author :
Huang, Yi-Cheng ; Tsai, Jia-Ling ; Lee, Fong-You
Author_Institution :
Nat. Changhua Univ. of Educ., Changhua
Abstract :
A new experimental measurement apparatus for achieving high sensitive, accurate, stable and simple structure for static strain measurement based on force application is proposed. This method is based on the combination of a Fiber Bragg Gratings (FBG) and a fiber Fabry-Perot Interferometric (FFPI) filter with a photo detector. The FFPI is formed by the two different mode fibers. A multi-mode fiber with separated two sections of signal-mode optic fibers by fusing method is used. The method produced reflective mirrors mechanism by fusing uncoated bare fibers. This renders the optic light interfere in two reflective mirrors and FFPI could be a high accurate filter thereof. The experiment setup and method will provide a cheaper measurement apparatus with the characteristics of high resolution for potential automatic measuring force device and smart material applications.
Keywords :
Bragg gratings; Fabry-Perot interferometers; fibre optic sensors; mirrors; optical fibres; optical filters; photodetectors; strain measurement; strain sensors; FFPI filter; fiber Bragg grating; fiber Fabry-Perot Interferometric filter; force sensing; photo detector; reflective mirrors mechanism; signal-mode optic fiber; static strain measurement; uncoated bare fiber; Bragg gratings; Fabry-Perot; Fiber gratings; Force measurement; Mirrors; Optical fiber filters; Optical filters; Optical interferometry; Optical sensors; Strain measurement;
Conference_Titel :
Mechatronics, ICM2007 4th IEEE International Conference on
Conference_Location :
Kumamoto
Print_ISBN :
1-4244-1183-1
Electronic_ISBN :
1-4244-1184-X
DOI :
10.1109/ICMECH.2007.4280006
