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@unpublished{polyanskiy:napac2019-thybb6,
author = {M.N. Polyanskiy and M. Babzien and M.A. Palmer and I. Pogorelsky},
title = {{Multi-TW Picosecond Long-Wave Infrared Laser for Particle Acceleration at ATF}},
booktitle = {Proc. NAPAC'19},
language = {english},
intype = {presented at the},
series = {North American Particle Accelerator Conference},
number = {4},
venue = {Lansing, MI, USA},
publisher = {JACoW Publishing, Geneva, Switzerland},
month = {oct},
year = {2019},
note = {presented at NAPAC2019 in Lansing, MI, USA, unpublished},
abstract = {Favorable wavelength scaling makes high peak-power lasers operating in the long-wave infrared (LWIR) spectral range (8 14 µm) attractive for several promising schemes of laser particle acceleration. For instance, because of the scaling of the ponderomotive force and the critical plasma density as λ2 and 1/λ2 respectively, LWIR lasers can drive plasma wakes in laser wakefield accelerators much more efficiently than near-IR lasers while producing much bigger trapping volumes. Amplification of a picosecond pulse in high-pressure CO₂ laser amplifiers is presently the only method of generating a terawatt peak power in LWIR. We recently achieved a 5-TW operation in quasi-single 2-ps pulses at 9.2 μm at 0.05 Hz repetition rate and we are currently working on reducing the pulse duration to below a picosecond as required for the realization of LWFA acceleration in the bubble regime.},
}