High-order harmonic generation of N2 molecule in two-color circularly polarized laser fields
Du Hui, Zhang Jun, Ben Shuai, Zhong Hui-Ying, Xu Tong-Tong, Guo Jing, Liu Xue-Shen†,
       

The time–frequency analysis of harmonic spectrums along the x direction generated in two-color circularly polarized laser fields combined with a static field for (a) α = 0.1, (b) α = 0.2, and (c) α = 0.3.