A research team in Taiwan claims to have discovered the cause of inherent light leakage in high-concentration photovoltaic (HCPV) systems that use a Fresnel lens as a focusing lens. The scientists ...

Fresnel lenses are used in many fields, including: Projection display: Fresnel projection TV, rear projection Fresnel screen, overhead projector, collimator; Concentrating light: Fresnel lens for ...

You may know them best for their original use in lighthouses, where they're famously recognised as "the invention that saved a million ships". Or perhaps you initially think of their employment in ...