A REVIEW OF ER:YB:YAB CRYSTAL

The nonradiative changeover prices Adhere to the method WNR = W (0) exp(-alphap), the place p is the number of phonons matching the energy gap. The nonradiative changeover fees of Er3+ show temperature dependence according to the multiphonon rest principle. In Tm3+ the temperature dependence of nonradiative leisure costs is intricate from the exist