期刊
OPTICS LETTERS
卷 35, 期 2, 页码 94-96出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.35.000094
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- German Federal Ministry of Education and Research (BMBF)
- Helmholtz-Institute Jena (HIJ)
In this Letter we report on the generation of 830 W compressed average power from a femtosecond fiber chirped pulse amplification (CPA) system. In the high-power operation we achieved a compressor throughput of about 90% by using high-efficiency dielectric gratings. The output pulse duration of 640 fs at 78 MHz repetition rate results in a peak power of 12 MW. Additionally, we discuss further a scaling potential toward and beyond the kilowatt level by overcoming the current scaling limitations imposed by the transversal spatial hole burning. (C) 2010 Optical Society of America
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