Among the four kinds of doubly doped crystals, the performances of nonvolatile recording in LiNbO3:Ce:Cu is the best with low scattering noise and high diffraction efficiency.

• 结果表明,四种晶体中,LiNbO3:Ce:Cu以低散射噪声和高衍射效率表现出最好的非挥发全息记录性能。