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We present a scheme for the production of circularly polarized multiple high-order harmonic generation ͑HHG͒. The proposed experimental setup involves the use of two-color laser fields, consisting of a circularly polarized fundamental laser field and a linearly polarized second-harmonic laser field, in crossed-beam configuration. The feasibility of such a scheme is demonstrated by an ab initio quantal study of the HHG power spectrum of He atoms by means of the time-dependent density-functionaldoi:10.1103/physreva.58.r2656 fatcat:bg2izy2lz5hhnphak3a5yq32oa