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  • 2017 European Conference on Lasers and Electro-Optics and European Quantum Electronics Conference
  • (Optica Publishing Group, 2017),
  • paper CF_3_1

High-speed adaptive deformable lens for boosting an high-energy optical parametric amplifier

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Abstract

Intense ultrafast laser sources in the mid-IR have attracted in the recent years lot of attention in strong-field physics. A possible implementation for such sources relies in: a) the generation of a short IR seed by intra-pulse difference frequency generation (DFG) of a broadband continuum generated in an hollow-core fiber (HCF); b) optical parametric amplification (OPA) of the seed to the mJ level [1]. This approach yields a major advantage, namely the passive stabilization of the carrier-envelope phase (CEP) owing to the DFG process, enabling applications like the generation of isolated attosecond pulses in the soft X-rays. Nevertheless the CEP stability performances are limited with respect to those achievable with active stabilization techniques. Moreover, OPA setups require a very good beam quality as well as a robust stability of the pumping source and this can hinder the scalability towards higher pulse energies.

© 2017 IEEE

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