LITTLE KNOWN FACTS ABOUT ER:YB:YAB CRYSTAL.

The nonradiative changeover prices Adhere to the method WNR = W (0) exp(-alphap), exactly where p is the quantity of phonons matching the Vitality gap. The nonradiative changeover fees of Er3+ exhibit temperature dependence in step with the multiphonon leisure idea. In Tm3+ the temperature dependence of nonradiative relaxation prices is complicated