5 SIMPLE STATEMENTS ABOUT ER:YB:YAB CRYSTAL EXPLAINED

The nonradiative transition costs Stick to the components WNR = W (0) exp(-alphap), where p is the number of phonons matching the Power gap. The nonradiative transition costs of Er3+ show temperature dependence in keeping with the multiphonon relaxation concept. In Tm3+ the temperature dependence of nonradiative leisure rates is intricate from the