NOT KNOWN FACTUAL STATEMENTS ABOUT ER:YB:YAB CRYSTAL

The nonradiative transition costs Stick to the components WNR = W (0) exp(-alphap), where p is the number of phonons matching the Electrical power gap. The nonradiative changeover prices of Er3+ show temperature dependence in line with the multiphonon leisure idea. In Tm3+ the temperature dependence of nonradiative leisure fees is challenging via t