Title :
Low bandwidth and cost-effective Brillouin frequency sensing using reference Brillouin-scattered beam
Author :
Iida, Daisuke ; Ito, Fumihiko
Author_Institution :
NTT Access Network Service Syst. Labs., NTT Corp., Tsukuba, Japan
Abstract :
We present a novel simple and cost-effective technique that can greatly reduce the electrical bandwidth for Brillouin frequency shift sensors from 11 to 0.2 GHz with only a reference fiber. Temperature change was also accurately observed. ©2008 Optical Society of America
Keywords :
Brillouin spectra; fibre optic sensors; Brillouin frequency shift sensors; electrical bandwidth; reference Brillouin-scattered beam; reference fiber; Bandwidth; Brillouin scattering; Capacitive sensors; Frequency measurement; Optical fiber couplers; Optical fiber sensors; Optical scattering; Sensor systems; Strain measurement; Temperature sensors;
Conference_Titel :
Optical Fiber communication/National Fiber Optic Engineers Conference, 2008. OFC/NFOEC 2008. Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-55752-856-8
DOI :
10.1109/OFC.2008.4528403
