765 citations
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13 papers · 1 filter
Hard X-rays from laser-wakefield accelerators in density tailored plasmas
Michaela Kozlova, Igor Andriyash, Julien Gautier +10
Betatron x-ray sources from laser-plasma accelerators combine compactness, high peak brightness, femtosecond pulse duration and broadband spectrum. However, when produced with Tera…
Relativistic near-single-cycle optics at 1 kHz
Marie Ouillé, Aline Vernier, Frederik Boehle +11
We present a laser source delivering waveform-controlled 1.5-cycle pulses that can be focused to relativistic intensity at 1 kHz repetition rate. These pulses are generated by nonl…
Interferometry for full temporal reconstruction of laser-plasma accelerator-based seeded free electron lasers
M. Labat, S. Bielawski, A. Loulergue +3
The spectacular development of Laser-Plasma Accelerators (LPA) appears very promising for a free electron laser application. The handling of the inherent properties of those LPA be…
0.24 TW Ultrabroadband, CEP-stable Multipass Ti:Sa Amplifier
Mikayel Musheghyan, Fabian Lücking, Zhao Cheng +2
We demonstrate a single-stage, multipass Ti:sapphire amplifier capable of delivering sub-13 fs, 3.2 mJ pulses at 1 kHz repetition rate. Gaussian filters are used to suppress the ga…
Evidence of Charge Density Wave transverse pinning by x-ray micro-diffraction
E. Bellec, I. Gonzalez-Vallejo, V. L. R. Jacques +5
Incommensurate charge density waves (CDW) have the extraordinary ability to display non-Ohmic behavior when submitted to an external field. The mechanism leading to this non trivia…
Real-time monitoring via second-harmonic interferometry of a flow gas cell for laser wakefield acceleration
F. Brandi, F. Giammanco, F. Conti +3
The use of a gas cell as a target for laser weakfield acceleration (LWFA) offers the possibility to obtain stable and manageable laser-plasma interaction process, a mandatory condi…