Nearly two years ago, Wearality created a unique Fresnel lens for VR headsets offering a claimed 150 degree field of view. The company successfully funded a VR viewer featuring the lens called ...
Linear Fresnel reflector (LFR) technology has emerged as a competitive and cost‐effective alternative within the concentrated solar power (CSP) field. By utilising an array of flat or slightly curved ...
Fresnel lenses consist of a flat surface with interspaced, concentric steps whereby each step corresponds to the surface of a conventional lens. Each step thereby acts as a refractive surface, much ...
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