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Pulses on Demand in Fibre and Hybrid Lasers

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Figure

Fig. 1.  Comparison of two methods: a) and b) pump-modulation method for high-power oscillator setup, and c) and d) idler-marker seeds  for MOPA-based laser systems; in a) and c) the free-running laser output and inversion at arbitrary repetition rate are shown while in  b) and d) the corresponding gain control is used
Fig. 2.  A compact setup for pulse-on-demand generation based on the gain-switching technique; the pump module  a) is used to pump the b) oscillator and c) amplifier; modulation of the pump power in time allows for pulse-on-demand operation
Fig. 5.  a) An arbitrary pulse train generated by the compact gain-switched laser setup;  b) zoom in on the successive pulses from the trace shown in a); the error in the stability of the pulse width is less than 0.7 %
Fig. 6.  a) Using a resonant scanner to generate a pattern with laser source operating at a fixed repetition rate captured on the beam profiler camera b); and with the laser source compensating the pulse delay to evenly distribute the laser power over the line trace c)
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