Multi-mirror multi-pass cells enable direct spectral broadening of 100-mJ 300-ps pulses to sub-ps Fourier-transform limit, with a proof-of-concept 11-mirror setup achieving factor-of-15 broadening in air at 260 MW peak power.
Spectral broadening of 112 mJ, 13 ps pulses at 5 kHz in a LG 10 multipass cell with compressibility to 37 fs
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Towards direct nonlinear compression of energetic sub-nanosecond pulses to the ultrafast regime
Multi-mirror multi-pass cells enable direct spectral broadening of 100-mJ 300-ps pulses to sub-ps Fourier-transform limit, with a proof-of-concept 11-mirror setup achieving factor-of-15 broadening in air at 260 MW peak power.