Investigation of electron localization in harmonic emission from asymmetric molecular ion*
Zhang Cai-Ping, Miao Xiang-Yang†
       
(a) High-order harmonic spectra of HeH2+ (red solid line) and HeD2+ (blue dashed line) at v = 0. (b) Sketch of the trapezoidal laser pulse with a wavelength of 1600 nm and a peak intensity of 5 × 1014 W/cm2. The total pulse lasts for seven optical cycles (o.c.).