Growth of optical grade yttrium oxide single crystal via ceramic technology

Abstract To sinter neodymium doped yttrium oxide (NDY) singe crystal several successive technologies: laser synthesis of NDY nanopowder, pulsed magnetic compacting of the powder and two stage vacuum sintering were used. With the help of abnormal grain growth samples of NDY single crystal were produced. Conditions that are necessary for abnormal grain growth in yttrium oxide as well to grow the optical grade single crystal are discussed.