The invention relates to a security element (10) with a diffraction structure (20) and a method for its production. A security element (10) is proposed, comprising a diffraction element (20) that diffracts in reflection, the diffraction element (20) comprising a diffraction structure (101) for which a diffraction geometry (100) exists in which a desired exposure direction (105) of the the diffraction provided light (120) with a target detection direction (115), under which the reflectively diffracted light can be detected, includes an acute angle (190) at the point of impact (180) of the diffraction element (20). Such a security element is produced by exposing or embossing a diffraction structure (101) of the diffraction element (20) into a material layer, for which a diffraction geometry (100) exists, in which a desired exposure direction (105) of the light intended for the diffraction ( 120) with a target detection direction (115), under which the reflectively diffracted light can be detected, forms an acute angle (190) at the point of impact (180) of the diffraction element (20).
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