Table 2: Linear attenuation coefficient and refractive index decrement for the tissues/materials.

- Linear Attenuation Coefficient, μ (cm-1) Refractive Index, δx10-7
Tissue/Material 30KeV 45KeV 60KeV 30KeV 45KeV 60KeV
Adiposea 0.279 0.206 0.182 2.385 1.060 0.596
Glanda 0.372 0.246 0.210 2.640 1.170 0.659
Paraffin Waxa 0.252 0.202 0.184 2.457 1.092 0.614
ABSb 0.273 0.210 0.189 2.534 1.126 0.633
Hybridb,c 0.345 0.250 0.221 2.875 1.260 0.707
Nylonb 0.314 0.241 0.214 2.811 1.249 0.703
PET-Gb 0.351 0.255 0.225 3.001 1.334 0.750
PLAb 0.439 0.286 0.244 3.059 1.360 0.765
Clearb 0.352 0.258 0.227 2.954 1.313 0.739
Flexb 0.340 0.248 0.216 2.850 1.266 0.712
Toughb,c 0.348 0.251 0.223 2.958 1.309 0.729

aNIST.
bData from Ivanov et al. (2018).
cData from Esposito et al. (2019).