Laser-slicing at a low-emittance storage ring.

Area of Science:

• * Physics
• * Accelerator Science
• * Photon Science

Background:

• * Soft X-ray generation at storage ring light sources is crucial for various scientific disciplines.
• * Existing methods face limitations in efficiency and pulse quality.
• * Laser-slicing offers a promising technique for generating high-quality X-ray pulses.

Purpose of the Study:

• * To investigate the theoretical and numerical aspects of laser-slicing at a diffraction-limited storage ring.
• * To determine the optimal conditions for maximizing slicing efficiency.
• * To assess the feasibility of implementing laser-slicing without compromising standard operations.

Main Methods:

• * Theoretical modeling and numerical simulations were employed.
• * Analysis focused on the impact of ultra-low beam emittance.
• * A 1:1 imaging configuration was designed for spatial and spectral separation.

Main Results:

• * Ultra-low beam emittance significantly enhances slicing efficiency.
• * Laser-slicing can be integrated without interfering with multi-bunch operation.
• * A configuration for the Elettra 2.0 lattice shows a potential efficiency of 10^-7, an order of magnitude improvement.
• * Achieved pulse durations are approximately 0.4 ps FWHM with average laser power around 40 W.

Conclusions:

• * Laser-slicing is a viable technique for producing high-efficiency soft X-ray pulses.
• * The proposed method offers a substantial improvement over the state-of-the-art.
• * This advancement has significant implications for future X-ray research and applications.