TOP LATEST FIVE ER:YB:YAB CRYSTAL URBAN NEWS

The nonradiative changeover fees Stick to the formula WNR = W (0) exp(-alphap), wherever p is the quantity of phonons matching the Vitality gap. The nonradiative transition charges of Er3+ show temperature dependence according to the multiphonon leisure theory. In Tm3+ the temperature dependence of nonradiative relaxation charges is difficult from