The nonradiative changeover charges Adhere to the method WNR = W (0) exp(-alphap), where p is the quantity of phonons matching the Power gap. The nonradiative changeover prices of Er3+ show temperature dependence per the multiphonon peace concept. In Tm3+ the temperature dependence of nonradiative peace premiums is difficult with https://johnathanbedby.actoblog.com/33903485/not-known-details-about-er-yb-yab-crystal