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TY - CONF AU - Pogorelsky, I. AU - Babzien, M. AU - Palmer, M.A. AU - Polyanskiy, M.N. ED - Liu, Lin ED - Byrd, John M. ED - Neuenschwander, Regis T. ED - Picoreti, Renan ED - Schaa, Volker R. W. TI - Long-Wave IR Terawatt Laser Pulse Compression to Sub-Picoseconds J2 - Proc. of IPAC2021, Campinas, SP, Brazil, 24-28 May 2021 CY - Campinas, SP, Brazil T2 - International Particle Accelerator Conference T3 - 12 LA - english AB - We report an experiment and simulations on post-compression of 2 ps, 0.15 TW CO₂ laser pulses to 480 fs, ~0.25 TW by means of a self-phase modulation accompanied by a negative group dispersion in KCl and BaF2 optical slabs. In addition, down to 130 fs fine pulse structure, but at lower conversion efficiency, has been observed through self-compression in a bulk NaCl crystal. The obtained results surpass by far previous achievements in the ultra-fast long-wave IR laser technology PB - JACoW Publishing CP - Geneva, Switzerland SP - 3893 EP - 3896 KW - laser KW - simulation KW - experiment KW - FEM KW - plasma DA - 2021/08 PY - 2021 SN - 2673-5490 SN - 978-3-95450-214-1 DO - doi:10.18429/JACoW-IPAC2021-THPAB062 UR - https://jacow.org/ipac2021/papers/thpab062.pdf ER -