NOT KNOWN FACTUAL STATEMENTS ABOUT ER:YB:YAB CRYSTAL

The nonradiative changeover fees Stick to the formula WNR = W (0) exp(-alphap), wherever p is the number of phonons matching the Electrical power gap. The nonradiative changeover fees of Er3+ exhibit temperature dependence in keeping with the multiphonon peace theory. In Tm3+ the temperature dependence of nonradiative leisure fees is difficult beca