POLYMER LENS
2 Assignments
0 Petitions
Accused Products
Abstract
The invention relates to an optical element having adjustable focal length, and a method for producing an optical element. The optical element comprising a first transparent layer and a transparent soft polymer having a chosen refractive index situated thereon, said layer being made from a material having a chosen flexibility, e.g. a thin glass layer, the optical element also being provided with an actuator for applying a force upon said flexible layer, said force being essentially symmetric relative to said axis thus bending the layer providing a lens surface and providing a curved refractive surface.
-
Citations
20 Claims
-
1-10. -10. (canceled)
-
11. An optical element having adjustable focal length and an optical axis, comprising:
-
a first transparent layer having a perpendicular orientation relative the optical axis and being situated upon a transparent soft polymer having a predetermined refractive index; and a second transparent layer positioned on an opposite side of said soft polymer, wherein said first transparent layer is made from a hard material having a predetermined flexibility comprising a thin glass layer, and the flexible first transparent layer is provided with an actuator for applying a force upon said first transparent layer at a distance from said optical axis, said force being essentially symmetric relative to said optical axis thus bending the first transparent layer to form a lens surface and a curved refractive surface, the focal length of the optical element thus being dependent on a curvature of the curved refractive surface, and wherein the soft polymer includes at least one surface contact with a compressible gas, said at least one surface being outside the optical axis. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
-
Specification