A method of determining the doses of neutrons, gamma and X-ray photons, beta, alpha and other ionizing radiations using a method of image processing in spatial and frequency domain that produces parameters that are related to the radiation dose absorbed in a luminescent material. Portions of the luminescent...http://www.google.com/patents/US7964854?utm_source=gb-gplus-sharePatent US7964854 - Method of luminescent solid state dosimetry of mixed radiations