Title :
Detection Sensitivity of Brillouin Sensors Located Near Fresnel Reflection
Author :
Iida, Daisuke ; Koshikiya, Yusuke ; Honda, Nazuki ; Ito, Fumihiko
Author_Institution :
NTT Corp., Ibaraki
Abstract :
This paper discusses the effect of Fresnel reflection on BOTDR measurement. We show that a detectable sensor length can be determined from the intensity of the returning light and it depends on the laser linewidth.
Keywords :
Brillouin spectra; Fresnel diffraction; optical time-domain reflectometry; reflectivity; BOTDR measurement; brillouin sensors; detection sensitivity; near Fresnel reflection; Brillouin scattering; Fiber lasers; Frequency; Fresnel reflection; Optical fiber cables; Optical fiber sensors; Photoconductivity; Power lasers; Strain measurement; Wavelength measurement;
Conference_Titel :
Optical Fiber Communication and the National Fiber Optic Engineers Conference, 2007. OFC/NFOEC 2007. Conference on
Conference_Location :
Anaheim, CA
Print_ISBN :
1-55752-831-4
DOI :
10.1109/OFC.2007.4348620