Illustration of a) a compact refractive Fresnel lens showing CAs, b) a
Refractive-type varifocal liquid-crystal Fresnel lenses for smart
Color online) Zemax simulation of focusing by a, refractive axicon
a, Ring pattern generation by the bulk axicon–lens combination. b
Graphene Fresnel lens on glass substrate. (a) Power flow reflected
Illustration of a) a compact refractive Fresnel lens showing CAs
Design of a large aperture tunable refractive Fresnel liquid
Refractive-type varifocal liquid-crystal Fresnel lenses for smart
High diopter spectacle using a flexible Fresnel lens with a
Fresnel Lens
Illustration of a) a compact refractive Fresnel lens showing CAs
How to make a Fresnel lens? Which materials are best - Quora
Applied Sciences, Free Full-Text
Left) 3D view of the LPI's four-fold Fresnel-Kohler (FK
Frontiers Electrically Tunable Lenses: A Review