Electrically variable focus polymer-stabilized liquid...

Details Electrically variable focus polymer-stabilized liquid... Electrically variable focus polymer-stabilized liquid...

G - Physics

02

F

G02F 1/13 (2006.01) G02B 1/02 (2006.01) G02B 3/12 (2006.01) G02F 1/137 (2006.01)

Patent

CA 2470493

A variable focus liquid crystal lens includes a nematic liquid crystal/monomer mixture having a spatially inhomogenous polymer network structure, and an electrode for applying a substantially uniform voltage to the nematic liquid crystal/monomer mixture. The lens is created within a cell by applying a substantially uniform electric field to the nematic liquid crystal/monomer mixture within the cell, while simultaneously irradiating the nematic liquid crystal/monomer mixture using a laser beam having a shaped intensity distribution, so as to induce formation of a spatially inhomogenous polymer network structure within the cell.

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