Zagolla, VolkerMoser, ChristopheMoser, Jacques-Edouard2017-05-112017-05-112017-05-112016https://infoscience.epfl.ch/handle/20.500.14299/137224A device for self-tracking a light source, including a focusing optical device configured to focus incoming light to a focal spot, an adaptive device configured to reflect the light of the focal spot and arranged to provide for a phase change at an area of the focal spot of the incoming light to generate a reflected light, and a light guide located between the focusing optical device and the adaptive device, the light guide configured to capture the reflected light of the adaptive device.patentUS9602047US201628261456974097