Table 1. Summary of the current operating parameters of the X-ray source of the MuCLS.

Repetition rate	64.91 MHz
Electron energy	29 MeV to 45 MeV
Storage ring current	16 mA
Electron pulse length	50 ps (Schleede, 2013 ▸)
Laser wavelength	1064 nm / 1.17 eV (Nd:YAG)
Laser power (inside the optical cavity)	∼ 350 kW
Laser pulse length	26 ps (FWHM)
X-ray energy	15 keV to 35 keV†
X-ray flux	Up to 1.5 × 1010 photons s−1 (15 keV)
	Up to 4.5 × 1010 photons s−1 (35 keV)
X-ray pulse length	60 ps (Feser et al., 2018 ▸)
X-ray divergence	4 mrad
X-ray source size	∼ 50 µm (σ-value)
X-ray bandwidth	3% (15 keV) to 5% (35 keV) (FWHM)
X-ray brilliance	1.2 × 1010 photons s−1 (0.1% bandwidth)−1 mm−2 mrad−2

^†The energy range in which Lyncean Technologie Inc. guarantees certain X-ray parameters.