Patent ID: 7244955

Claim:
A computed radiography (CR) system for imaging an object, the CR system comprising: a radiation source; a storage phosphor screen, wherein the radiation source is configured to irradiate the storage phosphor screen through the object, and wherein the storage phosphor screen is configured to store a radiation energy pattern of the object; an illumination source configured to illuminate at least a sub-area of the storage phosphor screen to stimulate emission of a plurality of photons from the storage phosphor screen; a two dimensional (2D) imager configured to capture at least one two dimensional image from at least a sub-area of the storage phosphor screen using at least the stimulated emission photons, wherein the storage phosphor screen is further configured to emit a plurality of prompt emission photons upon irradiation, and wherein the 2D imager is further configured to receive the prompt emission photons from the storage phosphor screen; and a dichroic filter positioned between the illumination source and the storage phosphor screen and configured to pass stimulating illumination from the illumination source to the storage phosphor screen and to reflect the stimulated emission photons from the storage phosphor screen, wherein the 2D imager is further configured to receive the stimulated emission photons reflected by the dichroic filter, wherein the CR system is configured as a front lit CR system.