| 摘要 |
The invention relates to a synthetic hologram (64A) comprising first elementary cells wherein first openings are respectively defined, said hologram being integrated into a first portion of a binary motif (60), said binary motif comprising at least one second portion wherein second elementary cells comprising second openings (66) are defined, said second openings having an average size equal to the average size of the first openings, with a 5% margin, and a random phase shift. |
