Research Article
Bright High-Harmonic Generation through Coherent Synchrotron Emission Based on the Polarization Gating Scheme
Figure 4
PIC simulation results for two different time delay cases: Td = 16 fs (left panel, originally thought to be suitable for isolated attosecond pulse generation) and Td = 0 (right panel, corresponding to linear polarized laser), other parameters: a = 10, Ls = 0.2 λL, and incidence angle . (a, d) The incoming and reflected electric fields at a fixed position before the target surface, respectively. (b, e) Fourier spectra of the reflected pulses. The dashed line marks the universal scaling law predicted based on the Baeva–Gordienko–Pukhov (BGP) theory. (c, f) The time-frequency analyses of the HHG plotted on a logarithmic scale.
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