APPARATUS FOR DATA COMMUNICATIONS, METHOD OF PERFORMING DATA COMMUNICATIONS

摘要

Apparatus and methods for data communications are disclosed. In a disclosed arrangement, there is provided an apparatus for data communications, comprising : a detector for detecting electromagnetic radiation; a decoder for obtaining information from the detected electromagnetic radiation; and a concentration stage for receiving and concentrating the radiation, prior to detection of the radiation by the detector, the concentration stage comprising a wavelength converting element configured to convert radiation to longer wavelength radiation.