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US 2002/0176179 A1Published application
Slipface lens
AssigneeSiwave, Inc.
InventorsChristopher I. Walker, Roman C. Gutierrez
Life of this patent
Estimating the term…
Abstract
An optical lens has a first plano-convex lens and a second plano-convex lens, with the planar sides of the two lenses opposite one another and the optical axes of the two lenses offset from one another. The offset allows a non-vertical light beam to enter and exit the lens at a 90° angle with respect to the two convex surfaces of the lens.
Claims20
An optical lens, comprising:
- a first optical surface having a first optical axis, wherein light enters the lens through the first optical surface;
- and
- a second optical surface having a second optical axis, wherein the light exits the lens through the second optical surface, and wherein the first optical axis and the second optical axis are offset from each other.
An optical lens for collimating or focusing non-vertical light, comprising:
- a first optical surface, wherein the primary ray of the non-vertical light is incident on the first optical surface at approximately 90° with respect to the first optical surface;
- and
- a second optical surface having an angled planar portion, wherein the primary ray of the non-vertical light is incident on the angled
- planar portion at approximately 90° with respect to the angled planar portion.
1 more element
A method of forming an optical lens, comprising:
- positioning a first lens portion such that the primary ray of a light beam enters the surface of the first lens portion at approximately 90° with respect to the surface of the first lens portion;
- and
- positioning a second lens portion such that the primary ray of the light beam exits the surface of the second lens portion at approximately 90° with respect to the second surface of the second lens portion, wherein the optical axes of the first and second lens portions do not coincide.
A method of forming an optical lens, comprising:
- providing a first plano-convex lens;
- providing a second plano-convex lens;
- and
- positioning the first and second plano-convex lenses such that the planar sides of the first and second plano-convex lenses opposite one another and the optical axes of the first and second plano-convex lenses do not coincide.
1 more element
Dependencies are inferred from the claim text.