Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating
Reexamination Certificate
2007-05-15
2007-05-15
Ahmed, Sheeba (Department: 1773)
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
C264S001320, C264S001700, C264S001800
Reexamination Certificate
active
10265517
ABSTRACT:
An optical wavefront correction plate incorporates a unique, three-dimensional spatial retardation distribution utilizing the index of refraction change of resin mixture in its cured state. The optical wave plate comprises a pair of transparent plates, containing a layer of a monomers and polymerization initiators, such as resin mixture. This resin mixture exhibits a variable index of refraction as a function of the extent of its curing. Curing of the resin mixture may be made by exposure to light, such as ultraviolet light, and may be varied across and through the surface of the resin mixture to create a particular and unique three-dimensional wavefront retardation profile. The optical wave plate provides improved performance in large area mirrors, lenses, telescopes, microscopes, and ophthalmic diagnostic systems.
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Ahmed Sheeba
Ophthonix, Inc.
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