THE BEST SIDE OF ER:YB:YAB CRYSTAL

The nonradiative changeover prices Stick to the components WNR = W (0) exp(-alphap), where by p is the amount of phonons matching the Power gap. The nonradiative changeover fees of Er3+ exhibit temperature dependence according to the multiphonon relaxation concept. In Tm3+ the temperature dependence of nonradiative leisure premiums is difficult bec