ER:YB:YAB CRYSTAL CAN BE FUN FOR ANYONE

The nonradiative changeover premiums Adhere to the system WNR = W (0) exp(-alphap), the place p is the amount of phonons matching the Vitality gap. The nonradiative transition fees of Er3+ exhibit temperature dependence in step with the multiphonon leisure principle. In Tm3+ the temperature dependence of nonradiative relaxation fees is sophisticate