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激光陶瓷中的各类缺陷,包括晶界、微气孔、杂质、非主晶相、表面缺陷和色心等,构成了激光陶瓷中主要的光散射和吸收中心,并对材料的热学和力学性质产生影响。讨论了各类缺陷的特点、形成机制和抑制方法。此外,还探讨了TM3+:Al2O3(TM=Cr,Ti)透明陶瓷的掺杂问题以及制备Cr4+:Al2O3和高浓度Ti3+:Al2O3激光陶瓷的可行性。
Various types of defects in laser ceramics, including grain boundaries, micro-pores, impurities, non-main phase, surface defects and color centers, constitute the main light scattering and absorption centers of laser ceramics. The thermal and mechanical properties Have an impact. Discusses the characteristics of various types of defects, formation mechanism and suppression methods. In addition, the doping of TM3 +: Al2O3 (TM = Cr, Ti) transparent ceramics and the feasibility of preparing Cr4 +: Al2O3 and high concentration of Ti3 +: Al2O3 laser ceramics were also discussed.