A new, simple method for characterization of fiber Bragg gratings is proposed. The group delay of the grating is obtained from measurement of the spectral reflectivity response of a grating that is interfering with a bare-fiber end reflection.
© 1999 Optical Society of America
Johannes Skaar, "Measuring the group delay of fiber Bragg gratings by use of end-reflection interference," Opt. Lett. 24, 1020-1022 (1999)