Title :
Bragg grating characterization by optical low-coherence reflectometry
Author :
Lambelet, P. ; Fonjallaz, P.-Y. ; Limberger, H.G. ; Salathe, R.P. ; Zimmer, Ch ; Gilgen, H.H.
Author_Institution :
Lab. d´´Opt. Appliquee, Ecole Polytech. Federale, Lausanne, Switzerland
fDate :
5/1/1993 12:00:00 AM
Abstract :
Optical low-coherence reflectometry is used for the first time to investigate distributed-feedback structures within a single-mode fiber. This nondestructive method allows the location, the length, and the coupling coefficient of the grating to be determined precisely.<>
Keywords :
diffraction gratings; light coherence; optical fibre testing; reflectometry; Bragg grating characterization; DFB structures; NDT; coupling coefficient; distributed-feedback structures; nondestructive method; optical coupling; optical low-coherence reflectometry; single-mode fiber; Bragg gratings; Fiber gratings; Lenses; Optical feedback; Optical fibers; Optical interconnections; Optical interferometry; Optimized production technology; Pump lasers; Reflectometry;
Journal_Title :
Photonics Technology Letters, IEEE
