Title :
Enhanced sensitivity of FBG pressure sensor using thin metal diaphragm
Author :
Vengal Rao, P. ; Srimannarayana, K. ; Sai Shankar, M. ; Kishore, P. ; Ravi Prasad, S.
Author_Institution :
Dept. of Phys., Nat. Inst. of Technol., Warangal, India
Abstract :
High sensitive pressure sensor based on fiber Bragg grating (FBG) assembled with thin metal diaphragm is reported. The sensitivity of the pressure sensor is found to be 2.05 × 10-2 MPa-1, approximately 10,350 times higher than that measured with the bare FBG.
Keywords :
Bragg gratings; fibre optic sensors; pressure sensors; FBG pressure sensor; enhanced sensitivity; fiber Bragg grating; thin metal diaphragm;
Conference_Titel :
Fiber Optics and Photonics (PHOTONICS), 2012 International Conference on
Conference_Location :
Chennai
Print_ISBN :
978-1-4673-4718-1