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High repetition rate femtosecond lasers able to deliver pulse energies ranging from few hundred microjoules to the millijoule level is a very active and competitive field in laser research. In laser bulk technology, major improvements toward high average power were (i) the reduction of the pump heat load through Yb-doped crystals development and (ii) the availability of low cost and bright diode-laser...
Cr:LiSAF posses broad emission bands in the near infrared, that facilitates widely tunable laser operation (770–1110 nm), and generation of 10-fs light pulses via mode-locking [1-4]. It owns broad absorption bands in the visible where low-cost laser diodes around 650 nm could be used for efficient pumping. On the other hand, Cr:LiSAF display glass-like properties in terms of mechanical and thermal...
Due to their large gain bandwidth, semiconductor lasers are an interesting alternative to conventional ultrafast laser systems. Their potential pulse width is predicted to be well below 60 fs [1]. In comparison to other sources, they are directly electrically pumped, are compact in size and their emission range can be designed by bandgap engineering. Yet semiconductor lasers for ultrashort pulse generation...
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