Little Projectors that Pack a Big Punch

Research News - Special Issue / 10.5.2016

An image projected on a slanted or curved surface appears distorted and can appear out of focus in some areas. A high-intensity mini-projector about the size of a Euro cent coin from the Fraunhofer IOF in Jena, Germany can now correct for this effect. The projector‘s secret: Hundreds on tiny lenses inspired by the model of an insect‘s compound eye.