Photonic Material Selection of Scintillation Crystals Using Monte Carlo Method for X-Ray Detection in Industrial Computed Tomography

Table 1

The physical properties of the three scintillation crystals.

Items	CsI(Tl)	NaI(Tl)	CdWO4
Density	4.53 g/cm^3	3.67 g/cm^3	7.99 g/cm^3
Atomic number	54	50	64.2
Tl concentration	0.1%	0.1%	/
Refractive index	1.79	1.85	2.3
Peak wavelength	560 nm	410 nm	540 nm