Title :
Optically stimulated luminescence in NaCl:Cu and its application to a high quality X-ray imaging sensor
Author :
Nanto, H. ; Usuda, T. ; Sokooshi, H. ; Nakamura, S. ; Inabe, K. ; Takeuchi, N.
Author_Institution :
Kanazawa Inst. of Technol., Ishikawa, Japan
Abstract :
The optically stimulated luminescence (OSL) phenomenon was observed in Cu-doped NaCl single crystals. The intensity of OSL with a peak at about 353 nm is proportional to the optical density of the F band which was created by X-ray irradiation. This effect has potential application in high-energy radiation detection and imaging. A possible reaction responsible for OSL is also proposed, based on the recombination of Cu/sup 2+/ ions with electrons released from the F centers.<>
Keywords :
F-centres; X-ray apparatus; X-ray detection and measurement; X-ray effects; copper; image sensors; luminescence of inorganic solids; photoluminescence; sodium compounds; 353 nm; Cu/sup 2+/ ions; F band; NaCl:Cu; X-ray imaging sensor; X-ray irradiation; high-energy radiation detection; optical density; optically stimulated luminescence; single crystals; Crystals; Luminescence; Optical films; Optical filters; Optical imaging; Optical scattering; Optical sensors; Phosphors; Stimulated emission; X-ray imaging;
Conference_Titel :
Solid-State Sensors and Actuators, 1991. Digest of Technical Papers, TRANSDUCERS '91., 1991 International Conference on
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
0-87942-585-7
DOI :
10.1109/SENSOR.1991.149014
