Fig. 3: Crystal-angle dependence as a function of the field strength. | Nature Communications

Fig. 3: Crystal-angle dependence as a function of the field strength.

From: Modifying angular and polarization selection rules of high-order harmonics by controlling electron trajectories in k-space

Fig. 3

a Dependence of the \(I_1^{{\mathrm{HH}}}\) component on φ for the (2,2) order as a representative of the orders with m + n = even for different values of E1 (5, 8, and 10 MV/cm) and E2 = 0.5 MV/cm. b Dependence of \(I_2^{{\mathrm{HH}}}\) on φ and E1. c–h Corresponding dependences for the (2,2), (1,2), (2,1), and (4,1) orders. (Either \(I_1^{{\mathrm{HH}}}\) or \(I_2^{{\mathrm{HH}}}\) for each order is normalized, and their intensity ratios for the same order are maintained). These orders are representative of the HH orders with m + n = odd, where m is either odd or even.

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