Abstract: An ophthalmic multifocal lens, and a method of manufacturing same, at least comprising focal points for near, intermediate and far vision. The lens comprises a light transmissive lens body providing a refractive focal point, and a periodic light transmissive diffraction grating, extending concentrically over at least part of a surface of the lens body and providing a set of diffractive focal points. The diffraction grating is designed to operate as an optical wave splitter, the refractive focal point providing the focal point for intermediate vision and the diffractive focal points providing the focal points for near and far vision. The diffraction grating has an optical transfer function comprising a continuous periodic phase profile function having an argument modulated as a function of the radial distance (r) to the optical axis of the lens body, thereby tuning the light distribution in the focal points.

Abstract: A new generation ophthalmic multifocal lenses and a method of manufacturing same. The lenses at least provide focal points for near, intermediate and far vision. The lens body provides a refractive focal point for intermediate vision. The lens body comprises a diffraction grating operating as an optical wave splitter, providing a diffractive focal point for near vision and a diffractive focal point for far vision. The lens body comprises a monofocal central zone extending over a distance from the optical axis of the lens body, and provides a focal point coinciding with one of the diffractive focal points. The diffraction grating (91) is arranged from a transition point at a radial position of the lens body where the monofocal central zone ends. At the transition point, the diffraction grating and the monofocal central zone have coinciding amplitude values.

Abstract: An ophthalmic multifocal lens, and a method of manufacturing same, at least comprising focal points for near, intermediate and far vision. The lens comprises a light transmissive lens body providing a refractive focal point (164), and a periodic light transmissive diffraction grating, extending concentrically over at least part of a surface of the lens body and providing a set of diffractive focal points (162, 163). The diffraction grating is designed to operate as an optical wave splitter, the refractive focal point providing the focal point for intermediate vision (164) and the diffractive focal points providing the focal points for near (163) and far vision (162). The diffraction grating has an optical transfer function (160) comprising a continuous periodic phase profile function having an argument modulated as a function (165) of the radial distance (r) to the optical axis of the lens body, thereby tuning the light distribution in the focal points (162, 163, 164).

Abstract: Briefly, in accordance with one or more embodiments, a rotating scanning platform comprises a rotating body and two or more suspension flexures to support the rotating body at a first end of respective suspension flexures, wherein the suspension flexures have a length that is greater than a radius of the rotating body, and the suspension flexures are disposed at an offset from a center of rotation of the rotating body. The suspension flexures are fixed, respectively, to a substrate at a second end at a location that is closer to the center of rotation than to the first end of a respective suspension flexure to allow the rotating body to rotate about the center of rotation with generally linear rotation in response to a drive signal.