Title :
Temperature and source fluctuation insensitive demodulation technique for Bragg grating sensors
Author :
Spillman, W.B., Jr. ; Chen, Q. ; Mikailoff, S. ; Greene, J. ; Claus, R.O.
Author_Institution :
Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA
Abstract :
Fiber Bragg grating (FBG) sensors are restricted to relatively slow speed applications due to current wavelength demodulation techniques. In this paper, we propose and model a demodulation technique using long period fiber grating (LPG) filters to address this problem.
Keywords :
Bragg gratings; demodulation; fibre optic sensors; optical fibre filters; FBG sensors; LPG; fiber Bragg grating sensors; long period fiber grating filters; slow speed sensor applications; source fluctuation insensitive demodulation; temperature insensitive demodulation technique; wavelength demodulation techniques; Bragg gratings; Demodulation; Fiber gratings; Fluctuations; Optical coupling; Optical fiber sensors; Optical filters; Optical sensors; Optical signal processing; Temperature sensors;
Conference_Titel :
Optical Fiber Sensors Conference Technical Digest, 2002. Ofs 2002, 15th
Conference_Location :
Portland, OR, USA
Print_ISBN :
0-7803-7289-1
DOI :
10.1109/OFS.2002.1000533
