Figure 2
Two-dimensional distribution of the amplitude of a Gaussian incident pulse |Ain(xs, zs)| (a) and the reflected pulse |Ah(xp, zp)| (b) in the symmetric Bragg Si(220) reflection (b = −1). Transversal pulse size r0 = 10 µm, pulse duration τ0 = 10 fs (l0 = cτ0 = 3 µm), central wavelength λ = 0.154 nm, thickness of crystal d = 50 µm, phase parameter α0 = 2. Angle between the wavevector Kh and the normal N to the reflected pulse φh = 0. Distance from the crystal to the reflected pulse R = 3 m. |