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@inproceedings{pogorelsky:ipac2021-thpab062, author = {I. Pogorelsky and M. Babzien and M.A. Palmer and M.N. Polyanskiy}, title = {{Long-Wave IR Terawatt Laser Pulse Compression to Sub-Picoseconds}}, booktitle = {Proc. IPAC'21}, pages = {3893--3896}, eid = {THPAB062}, language = {english}, keywords = {laser, simulation, experiment, FEM, plasma}, venue = {Campinas, SP, Brazil}, series = {International Particle Accelerator Conference}, number = {12}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {08}, year = {2021}, issn = {2673-5490}, isbn = {978-3-95450-214-1}, doi = {10.18429/JACoW-IPAC2021-THPAB062}, url = {https://jacow.org/ipac2021/papers/thpab062.pdf}, note = {https://doi.org/10.18429/JACoW-IPAC2021-THPAB062}, abstract = {{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}}, }