Pauly, MarkTestuz, Romain PSchwartzburg, Yuliy2017-05-022017-05-022017-05-022017https://infoscience.epfl.ch/handle/20.500.14299/137010Method of designing a refractive surface, comprising providing a refractive object having a refractive surface with an initial geometry, determining a refraction of incident illumination through the refractive surface with the initial geometry to create a source irradiance E S distribution on a receiver; and determining a shape of the refractive surface of the refractive object such that a resulting irradiance distribution on the receiver matches a desired target irradiance E T provided by a user.patentUS10732405PL2963464EP2963464US2017139204HK1220011HK1219781EP2963464WO2016000926EP2963464EP296346351167659