| 摘要 |
A radiation source device, a measuring device using the radiation source device, and a method of use of the measuring device are described. The radiation source device has a radiolucent window portion, a shielding portion, a radioactive element, and a fluorescent material. The shielding portion has a window portion cavity and the radiolucent window portion extends across and encompasses the window portion cavity. The radioactive element is positioned within the window portion cavity of the shield portion and emits first photons through the window portion cavity and the radiolucent window portion. The fluorescent material is positioned between the radioactive element and the radiolucent window portion. The fluorescent material receives the first photons from the radioactive element and generates second photons. |
