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High-fidelity front-end for high-power, high temporal quality few-cycle lasers |
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| Authors: | A. Jullien X. Chen A. Ricci J.-P. Rousseau R. Lopez-Martens L. P. Ramirez D. Papadopoulos A. Pellegrina F. Druon P. Georges |
| Affiliation: | 1. Laboratoire d??Optique Appliqu??e, ENSTA ParisTech, Ecole Polytechnique, CNRS, UMR 7639, 91761, Palaiseau Cedex, France 2. Institut de la Lumi??re Extr??me CNRS, Ecole Polytechnique, ENSTA ParisTech, Institut d??Optique, Univ Paris-Sud, Palaiseau Cedex, France 3. Thales Optronique SA, Laser Solutions Unit, 78995, Elancourt, France 4. Laboratoire Charles Fabry de l??Institut d??Optique, CNRS, Univ Paris-Sud, 91127, Palaiseau, France |
| Abstract: | A 80???J, 6?fs, CEP-stable high-contrast injector is demonstrated. The device relies on standard pulse post-compression in hollow-core fiber followed by a temporal filter based on cross-polarized wave generation. Pulses with a Gaussian spectrum over 350?nm, centered at 750?nm, are generated. Temporal measurements show that the contrast of the few-cycle pulses is enhanced on a femtosecond and picosecond time scale. The carrier-envelope phase stability is preserved (0.3?rad RMS). These performances make the system an ideal seed laser for high-power, high-contrast OPCPA systems. |
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