The nonradiative changeover prices Keep to the formulation WNR = W (0) exp(-alphap), wherever p is the quantity of phonons matching the Strength gap. The nonradiative transition prices of Er3+ exhibit temperature dependence in keeping with the multiphonon relaxation principle. In Tm3+ the temperature dependence of nonradiative rest fees is https://grahame681ayw1.shivawiki.com/user