Nonlinear compression is an elegant way to shorten the pulse duration of pulses beyond the capabilities of the employed laser gain medium. It is characterized by highest beam quality and stability, power scalability and high efficiency. In addition, the technique perfectly fits to AFS fiber-based ultrafast laser systems in terms of mode-matching. The nonlinear-compression add-on can be applied to a large span of pulse energies ranging from µJ to several mJ, supports average powers in the kW-range and enables high quality few-cycle pulses when starting from pulses as long as 300 fs.


Illustration of the nonlinear compression


Pulse energy   up to 5 mJ
Average power   up to 500 W
Pulse duration   down to 6fs
Beam quality   Close to diffraction-limited (M2<1.3)
Average-power stability   < 1 % RMS
Pulse-energy stability   < 1 % RMS
Beam pointing   < 20 µrad RMS


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