Continuous relativistic high-harmonic generation from a kHz liquid-sheet plasma mirror

2024/12/06 by Antoine Cavagna, Milo Eder, Enam Chowdhury +5 · 1 voice
Physics and Astronomy · #Atomic and Molecular Physics #Laser-Matter Interactions and Applications #Laser-Plasma Interactions and Diagnostics

paper · doi:10.1364/ol.545912

openalex publication_date 2024/12/06 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/01

Abstract

We report on continuous high-harmonic generation (HHG) at 1 kHz repetition rate from a liquid-sheet plasma mirror driven by relativistic-intensity near-single-cycle light transients. Through precise control of both the surface plasma density gradient and the driving light waveform, we can produce highly stable and reproducible extreme ultraviolet spectral quasi-continua, expected to correspond to the generation of stable kHz-trains of isolated attosecond pulses in the time domain. This confirms the exciting potential of liquid-sheet targets as one of the building blocks of future high-power attosecond lasers.

Citations

• High repetition rate relativistic laser–solid–plasma interaction platform featuring simultaneous particle and radiation detection
• Lightwave-controlled relativistic plasma mirrors

Discussions

• Our recent paper in @opticapubsgroup.bsky.social Optics Letters presents the first relativistic plasma-mirror high harmonic generation on a liquid-sheet target. This is a real game changer for plasma [bsky, 5 points, 0 comments]

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