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

The nonradiative changeover rates Stick to the formula WNR = W (0) exp(-alphap), where by p is the amount of phonons matching the energy gap. The nonradiative transition fees of Er3+ exhibit temperature dependence in keeping with the multiphonon rest principle. In Tm3+ the temperature dependence of nonradiative leisure fees is difficult because of