The nonradiative changeover prices Adhere to the formulation WNR = W (0) exp(-alphap), where p is the quantity of phonons matching the Power gap. The nonradiative changeover prices of Er3+ show temperature dependence consistent with the multiphonon rest idea. In Tm3+ the temperature dependence of nonradiative relaxation charges is sophisticated https://er-yb-yab-crystal64072.bloggerbags.com/38417224/top-guidelines-of-er-yb-yab-crystal