ER:YB:YAB CRYSTAL CAN BE FUN FOR ANYONE

The nonradiative changeover fees Keep to the formulation WNR = W (0) exp(-alphap), wherever p is the volume of phonons matching the Power hole. The nonradiative transition fees of Er3+ exhibit temperature dependence per the multiphonon peace theory. In Tm3+ the temperature dependence of nonradiative peace charges is challenging via the existence of