Reusable personal sun-monitor

摘要

A personal monitor is provided comprising a storage medium for absorbing incident radiation energy, wherein said storage medium comprises a storage phosphor panel capable to store radiation energy originating from radiation having an wavelength of 350 nm or less, wherein said panel is covered with an optical filter absorbing radiation having a wavelength of 350 nm or more during exposure and wherein said panel is present in a housing. A method to determine in a quantitative way stored amounts of radiation energy originating from said radiation is also disclosed as well as an apparatus for readout of storage means according to the said method.