The nonradiative changeover costs Keep to the system WNR = W (0) exp(-alphap), where by p is the number of phonons matching the Strength hole. The nonradiative transition fees of Er3+ exhibit temperature dependence in step with the multiphonon rest idea. In Tm3+ the temperature dependence of nonradiative peace charges https://fanr147vuw3.mycoolwiki.com/user