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Optics and photonics

Optics and photonics

Liquid-crystal bifocal lens excels at polarization and edge imaging

19 Oct 2024
LCD bifocal lens
Left and right Diagram showing how left circularly polarized (LCP) light is converted by the bifocal lens into separated beams of LCP light and right circularly polarized (RCP) light. (Courtesy: Fan Fan/Hunan University)
A bifocal lens that can adjust the relative intensity of its two focal points using an applied elect

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Sam Jarman is a science writer based in the UK
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