10 kHz water-cooled Ti : Sapphire femtosecond laser

Optics Express (Impact Factor: 3.49). 06/2007; 15(12):7528-36. DOI: 10.1364/OE.15.007528
Source: PubMed


We demonstrate operation of a simple and reliable water-cooled femtosecond laser running at 10 kHz suitable for industrial micromachining applications. A laser geometry involving only a regenerative amplifier and delivering 3.5 W average power 60-fs pulses is compared to a more conventional architecture using an additional multi-pass amplifier. Both laser systems require a moderate pumping laser of similar to 30 W average power and deliver high-quality beams (M-2<1.2). (c) 2007 Optical Society of America.

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