Resolving multi-orbital effects on high harmonic generation from aligned N2 molecules in linearly and elliptically polarized intense laser fields
Liang Hong-Jing, Fan Xin, Feng Shuang, Shan Li-Yu, Gao Qing-Hua, Yan Bo, Ma Ri, Xu Hai-Feng, Ding Da-Jun
       

Full width half maximum by fitting each curve in Fig. 5 with a Gaussian function for the parallel (red triangles) and perpendicular (blue squares) configurations.