ER:YB:YAB CRYSTAL CAN BE FUN FOR ANYONE

The nonradiative changeover prices follow the method WNR = W (0) exp(-alphap), exactly where p is the volume of phonons matching the Strength gap. The nonradiative transition fees of Er3+ exhibit temperature dependence according to the multiphonon leisure idea. In Tm3+ the temperature dependence of nonradiative leisure prices is sophisticated throu