LITTLE KNOWN FACTS ABOUT ER:YB:YAB CRYSTAL.

The nonradiative transition prices Stick to the formula WNR = W (0) exp(-alphap), where p is the quantity of phonons matching the Vitality hole. The nonradiative transition prices of Er3+ show temperature dependence in line with the multiphonon leisure idea. In Tm3+ the temperature dependence of nonradiative relaxation charges is complex with the e