Huang Jinggen, Yu Xinghai, Hu Jianguo, Wang Huiqin, Xu Yan. SPECTROSCOPIC PROPERTIES OF THE Mn<sup>2+</sup> DOPED CeMgAl<sub>11</sub>O<sub>19</sub>-SrAl<sub>12</sub>O<sub>19</sub> SOLID SOLUTION[J]. Chinese Journal of Luminescence, 1988,9(3): 213-222
Huang Jinggen, Yu Xinghai, Hu Jianguo, Wang Huiqin, Xu Yan. SPECTROSCOPIC PROPERTIES OF THE Mn<sup>2+</sup> DOPED CeMgAl<sub>11</sub>O<sub>19</sub>-SrAl<sub>12</sub>O<sub>19</sub> SOLID SOLUTION[J]. Chinese Journal of Luminescence, 1988,9(3): 213-222DOI:
in orate bglasses have been calculated. The nonradiative transition probabilities and the quantum efficiencies have also been estimated from the obtained radiative transition probabilities and the measured decay times.The oscillator strengthes for electric dipole and magnetic dipole transitions in absorption process are expressed as
P
ed
and
P
md
in Eq.l.The magnetic dipole transition matrix elements can be calculated using the intermediate-coupling wave functions expressed as linear combinations of LS basis and the reduced matrix elements given by Eq. 3. On the basis of Judd-Ofelt theory
intensity parameters can be obtained from experimental absorption oscillator strtngthes
P
ex
and Eq. 1 by solving some linear equations on the parameters.