We have adapted the point model for the study of an all-fiber laser doped with Nd 3 + and Q-switched by a saturable fiber absorber doped with Cr 4 + . Calculations of the output power of the 1084 nm laser are considered as a function of the pump power supplied by a 790 nm laser diode. The analysis of the simulation results reveals the existence of pulsed, sinusoidal, and dc operating regimes. C 2011 Society of Photo-Optical Instrumentation Engineers (SPIE).
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