The fluorescence transformation characteristics research of the CsI(Tl) thin film

This article proposed a new X-ray detector structure using Al as the separation and protection material based on thin layer CsI(Tl) crystal arrays coupled CCD. In this paper, an improved physical model is established, based on which a comprehensive discussion was performed on transmission and conversion factor of various types of fluorescence throughout the process of excitation and transfer. The results showed that, the crystal column's best diameter is generally in 10um magnitudes.