Schematic diagram of bifocal lens (IMAGE)

Optica

Schematic diagram of bifocal lens

Caption

The bifocal lenses are made from bilayer structures of liquid crystal (LC) cells and LC polymer. These lenses split light with a left-handed circular polarization (LCP) into two focused light beams with left and right-handed circular polarization (RCP).

Credit

Fan Fan, Hunan University

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