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. 2019 Jun 24;377(2151):20180175. doi: 10.1098/rsta.2018.0175

Table 1.

Laser, plasma and beam parameters for the simulated case at np=2×1018cm3 and the extrapolated case at np=2×1017cm3.

plasma density np 2×1018cm3 2×1017cm3
laser peak intensity a01 3.18 3.18
laser spot size (norm.) w0np1/2 17 μm (4.5) 54 μm (4.5)
laser pulse duration (norm.) τ0np1/2 27 fs (2.15) 85 fs (2.15)
laser power P0np1 98 TW 980 TW
laser energy E0np3/2 2.8 J 88 J
acceleration distance Laccnp3/2 2.0 mm 6.3 cm
accelerating field Ezwnp1/2 185 GV m−1 58 GV m−1
beam energy (mean) γ¯wnp1 370 MeV mc−2 3.7 GeV mc−2
beam charge Qwnp1/2 190 pC 601 pC
beam current Iw1 30 kA 30 kA
beam duration (fwhm) τwnp1/2 6 fs 19 fs
beam norm. emittance ϵn,wnp1/2 5 μm 16 μm
beam rel. energy spread σγw/γ¯w1 2.5% 2.5%