THE 2-MINUTE RULE FOR ER:YB:YAB CRYSTAL

The nonradiative changeover prices Stick to the components WNR = W (0) exp(-alphap), wherever p is the quantity of phonons matching the Power hole. The nonradiative changeover charges of Er3+ show temperature dependence per the multiphonon peace theory. In Tm3+ the temperature dependence of nonradiative rest premiums is difficult via the existence