The lm of the
Bi2O3 glass and PbO glass is comparable, and higher than that of
the แบเรียมออกไซด์ glass. These results were due to the lower photoelectric
absorption of BaO glass as shown in Fig. 3 (calculated by
WinXCom). The lm of glasses increased with the increasing of Bi2O3 and
PbO concentrations. In the case of BaO, however, there is only a little
change in the lm for the concentration range studied. The lm for the photoelectric absorption and the Compton scattering are
shown