Comparison of pulse amplification performances in longitudinally pumped Ytterbium doped materials

Using a theoretical model, the amplification of laser pulse performances achievable with various Ytterbium doped longitudinally pumped materials is compared. The investigated materials have been separated into two categories: some of them seem to be well suited for diode pumping as they allow good extraction efficiency when pumped by low pump intensity and long pulses. For the others, high pump intensity even with short pulses is required for achieving good extraction efficiency and they can be efficient when pumped by laser. It appears that the classification of these host materials is different from the one set for CW or pulsed lasers.

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