We report what are believed to be the first measurements of the phase sensitivity of a fiber sensor array using multiple low-gain remotely pumped amplifiers with an interferometric sensor inserted. The measured phase sensitivities for individual rungs average 5.7 µrad<sub>rms</sub>/√Hz and exhibit no dependence on rung number, in agreement with predictions.
© 1998 Optical Society of America
(040.1240) Detectors : Arrays
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.4230) Fiber optics and optical communications : Multiplexing
(130.6010) Integrated optics : Sensors
B. J. Vakoc, C. W. Hodgson, M. J. F. Digonnet, G. S. Kino, and H. J. Shaw, "Phase-sensitivity measurement of a 10-sensor array with erbium-doped fiber amplifier telemetry," Opt. Lett. 23, 1313-1315 (1998)