Luminescent glass design for high-energy real-time radiography

Clifford Bueno; Robert Buchanan; Harold Berger

doi:10.1117/12.22521

1 October 1990 Luminescent glass design for high-energy real-time radiography

Clifford Bueno, Robert Buchanan, Harold Berger

Proceedings Volume 1327, Properties and Characteristics of Optical Glass II; (1990) https://doi.org/10.1117/12.22521
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

Abstract

This report summarizes an investigation of new luminescent glasses for use as x-ray-tolight conversion imaging media for x-ray radiographic applications. Luminescent activators such as T b3+ Eu2+ and Ce3+ were investigated in high density 3 g/cm3) high z fluoroborate fluoride borate and silicate host glasses. Terbium activation in each of these materials has at least a factor of 2 higher luminescent response under x-rays than either of the other two activators. The selection of the host material has a large effect on the luminescence characteristics. Terbium activated silicate glasses have a luminescent response 3 times higher than any of the other terbium activated glass materials investigated. The addition of Gd3 to terbium activated silicate glass has been shown to improve the x-ray-to-light conversion efficiency by as much as a factor of 1. 2 for this glass material. This increase in efficiency most likely occurs because of a Gd3+ Tb3 energy transfer process. 1.

Citation Download Citation

Clifford Bueno, Robert Buchanan, and Harold Berger "Luminescent glass design for high-energy real-time radiography", Proc. SPIE 1327, Properties and Characteristics of Optical Glass II, (1 October 1990); https://doi.org/10.1117/12.22521

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