Optical element and method of fabricating the same
AssigneeTechnion Research & Development Foundation Limited
InventorsYoav Shechtman, Reut Orange-Kedem
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Abstract
A method of fabricating an optical element, comprises fabricating a three-dimensional mold having a relief pattern complementary to a pattern of the optical element to be fabricated, contacting the relief pattern with a solidifiable transmissive material, and solidifying the material thereby forming a transmissive substrate having the pattern thereupon. The method also comprises contacting the transmissive substrate with one or more substances wherein a difference in refractive indices between the substance(s) and the transmissive substrate is less than about 0.1.
Claims14
A method of fabricating a diffractive optical element, comprising:
- receiving digital data describing an optical property selected from the group consisting of a nanometric pattern, a phase pattern at a surface of the optical element, a far-field intensity pattern, and a far-field phase pattern;
- converting said digital data to computer object data readable by a three-dimensional printing system;
- fabricating, by said three-dimensional printing system and according to said computer object data, a three-dimensional mold having a relief pattern complementary to a pattern of the optical element to be fabricated;
- contacting said relief pattern with a solidifiable transmissive material, and solidifying said material thereby forming a transmissive substrate having said pattern thereupon;
- and
- contacting said transmissive substrate with at least one substance wherein a difference in refractive indices between said substance and said transmissive substrate is less than 0.1±10%.
A method of fabricating a diffractive optical element, comprising:
- receiving digital data describing an optical property selected from the group consisting of a nanometric pattern, a phase pattern at a surface of the optical element, a far-field intensity pattern, and a far-field phase pattern;
- converting said digital data to computer object data readable by a three-dimensional printing system;
- and
- printing by said three-dimensional printing system a transmissive substrate having a pattern corresponding to said computer object data;
- and
- contacting said transmissive substrate by at least one substance to interface said pattern, wherein a difference in refractive indices between said substance and said transmissive substrate is less than 0.1±10%.
Dependencies are inferred from the claim text.