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High-average-power femtosecond fiber chirped-pulse amplification system

: Limpert, J.; Clausnitzer, I.; Liem, A.; Schreiber, T.; Fuchs, H.-J.; Zellmer, H.; Kley, E.-B.; Tünnermann, A.


Optics Letters 28 (2003), No.20, pp.1984-1986
ISSN: 0146-9592
Journal Article
Fraunhofer IOF ()
fiber optic amplifier and oscillator; nonlinear optics; fiber; ultrafast laser

Efficient generation of 76-W average power of 400-fs pulses at 75-MHz repetition rate by use of a diode-pumped ytterbium-doped double-clad fiber-based chirped-pulse amplification system is demonstrated. The key element in the system is a d iffraction grating compressor consisting of highly efficient transmission gratings in fused silica, allowing recompression at this high power level.