5 Simple Statements About Er:Yb:YAB Crystal Explained
The nonradiative changeover prices Adhere to the system WNR = W (0) exp(-alphap), in which p is the quantity of phonons matching the Strength gap. The nonradiative transition rates of Er3+ show temperature dependence per the multiphonon leisure idea. In Tm3+ the temperature dependence of nonradiative relaxation charges is sophisticated from the exi