摘要
The parameters of ligand field of laser crystal Na^(3+):KY(WO_4)_2 and Nd^(3+):KGd(WO_4)_2 are obtained by a scheme which involved intermediate coupling and ligand field interaction.The calculated Stark-levels are in good agreement with the experimental values.
The parameters of ligand field of laser crystal Na^(3+):KY(WO_4)_2 and Nd^(3+):KGd(WO_4)_2 are obtained by a scheme which involved intermediate coupling and ligand field interaction.The calculated Stark-levels are in good agreement with the experimental values.