Journal
OPTICS EXPRESS
Volume 19, Issue 8, Pages 7546-7552Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.19.007546
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Funding
- German Federal Ministry of Education and Research (BMBF) [05 ES7GU1]
- Helmholtz Institute Jena
- European Research Council under the European Union [FP7/2007-2013]
- ERC [240460]
- European Research Council (ERC) [240460] Funding Source: European Research Council (ERC)
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We present simple and compact (1.5m x 0.5m footprint) post-compression of a state-of-the-art fiber chirped pulse amplification system. By using two stage nonlinear compression in noble gas filled hollow core fibers we shorten 1 mJ, 480 fs, 50 kHz pulses. The first stage is a 53 cm long, 200 mu m inner diameter fiber filled with xenon with subsequent compression in a chirped mirror compressor. A 20 cm, 200 mu m inner diameter fiber filled with argon further broadens the spectrum in a second stage and compression is achieved with another set of chirped mirrors. The average power is 24.5 W / 19 W after the first / second stage, respectively. Compression to 35 fs is achieved. Numerical simulations, agreeing well with experimental data, yield a peak power of 5.7 GW at a pulse energy of 380 mu J making this an interesting source for high harmonic generation at high repetition rate and average power. (C)2011 Optical Society of America
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