DETAILS, FICTION AND ER:YB:YAB CRYSTAL

The nonradiative transition premiums Keep to the formulation WNR = W (0) exp(-alphap), where p is the quantity of phonons matching the Vitality hole. The nonradiative transition costs of Er3+ show temperature dependence per the multiphonon relaxation concept. In Tm3+ the temperature dependence of nonradiative leisure rates is intricate from the exi