Broadband square-pulse operation of a passively mode-locked fiber laser for fiber Bragg grating interrogation.
A long-cavity, passively mode-locked erbium fiber laser operated in the square-pulse regime is demonstrated as a useful light source for interrogating fiber Bragg grating arrays. Output pulses with 4-W peak-power, 10-ns pulse widths, and bandwidths greater than 60nm were used successfully to interrogate 2% fiber Bragg gratings.
Putnam
M A
MA
Dennis
M L
ML
Duling Iii
I N
IN
Askins
C G
CG
Friebele
E J
EJ