Molecular Structure of the Liquid Crystal Helix and the Embedded Dyes (IMAGE)

Optica

Molecular Structure of the Liquid Crystal Helix and the Embedded Dyes

Caption

This image shows the molecular structure of the liquid crystal helix and the embedded dyes. The dyes are represented by red rods on the right of the picture. When the dyes are illuminated with light, they change from a rod-like shape (called a trans state) to a V-shape (called a cis state). The shape change can delay the passage of a light pulse or store a memory of that pulse.

Credit

<i>Optics Express</i>

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