Figure 4 | Scientific Reports

Figure 4

From: Generation of elliptically polarized nitrogen ion laser fields using two-color femtosecond laser pulses

Figure 4

The azimuthal angles ϕ of the P-branch (diamonds), R-branch (circles) laser lines and the seed pulses in the wavelength range of 397–410 nm (black dashed line) as the functions of the angle at (a) different gas pressures of 8 mbar (solid markers) and 27 mbar (open markers) and (b) different pulse energies of 1 mJ (solid markers) and 2 mJ (open markers).

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