11 November 2009 Efficient 4-fold self-compression of 1.5-mJ infrared pulses to 19.8 fs
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Abstract
We demonstrate a four-stage optical parametric chirped-pulse amplification system that delivers carrier-envelope phasestable ~1.5 μm pulses with energies up to 12.5 mJ before recompression. The system is based on a fusion of femtosecond diode-pumped solid-state Yb technology and a picosecond 100 mJ Nd:YAG pump laser. Pulses with 62 nm bandwidth are recompressed to a 74.4 fs duration close to the transform limit. To show the way toward a terawatt-peakpower single-cycle IR source, we demonstrate self-compression of 2.2 mJ pulses down to 19.8 fs duration in a single filament in argon with a 1.5 mJ output energy and 66% energy throughput.
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O. D. Mücke, S. Ališauskas, A. J. Verhoef, A. Pugžlys, V. Smilgevičius, J. Pocius, L. Giniūnas, R. Danielius, A. Baltuška, "Efficient 4-fold self-compression of 1.5-mJ infrared pulses to 19.8 fs", Proc. SPIE 7501, International Conference on Ultrafast and Nonlinear Optics 2009, 750109 (11 November 2009); doi: 10.1117/12.852250; https://doi.org/10.1117/12.852250
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