The nonradiative transition fees Keep to the formulation WNR = W (0) exp(-alphap), exactly where p is the quantity of phonons matching the Power hole. The nonradiative changeover prices of Er3+ exhibit temperature dependence per the multiphonon peace theory. In Tm3+ the temperature dependence of nonradiative rest premiums is complex https://sethlnqqq.jts-blog.com/33742862/5-simple-statements-about-er-yb-yab-crystal-explained