DETAILS, FICTION AND ER:YB:YAB CRYSTAL

The nonradiative changeover premiums follow the formula WNR = W (0) exp(-alphap), in which p is the volume of phonons matching the energy gap. The nonradiative transition rates of Er3+ exhibit temperature dependence per the multiphonon leisure principle. In Tm3+ the temperature dependence of nonradiative leisure fees is complicated from the existen