A SECRET WEAPON FOR ER:YB:YAB CRYSTAL

The nonradiative transition premiums Stick to the system WNR = W (0) exp(-alphap), exactly where p is the quantity of phonons matching the Vitality hole. The nonradiative changeover charges of Er3+ show temperature dependence according to the multiphonon rest principle. In Tm3+ the temperature dependence of nonradiative peace prices is sophisticate