Method and apparatus for detection and monitoring of radiation exposure are disclosed, utilising photoexcitable storage phosphors and reading apparatus in a number of configurations for use in homeland security, emergency response and medical fields. In one form, apparatus comprises a portable dosimeter device adapted to receive and multiple phosphor elements to allow population screening in event of mass exposure. Further forms for medical use include insertable probes and adhesive phosphor patches for use in detecting radiation exposure in medical therapy or imaging.
