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The current status and perspectives of ultrafast fiber laser systems to be applied in production technology are reviewed. An ytterbium-doped ultrafast fiber chirped pulse amplification system generating 500 fs pulses with a pulse energy of 100 muJ at repetition rates up to almost 1 MHz is reported. Possibilities for a further power scaling using novel fiber designs based on microstructuring of the...
We report on a high energy CPA system based on amplification in low-nonlinearity photonic crystal fibers. The resulting output of pulse energies of 100 muJ in ultrashort pulses with high repetition rates are applied to high speed micromachining. e.g. the drilling of holes in 1 mm thick steel
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