Abstract
Transparent neodymium-doped yttrium aluminum garnet (Nd:Y<sub>3</sub>Al<sub>5</sub>O<sub>12</sub>) is an ideal material for high power solid state lasers. In this paper, Nd:YAG transparent ceramics were prepared by solid state reaction and vacuum sintering. The microstructure and absorption spectra of Nd:YAG transparent ceramics were analyzed by scanning electron microscope (SEM) and ultraviolet-visible spectrophotometer (UV). The output power, slope efficiency and light-to-optical conversion efficiency of Nd:YAG transparent ceramics were investigated through the LD pumping experimental platform, and the effect of TEOS (Si(OC<sub>2</sub>H<sub>5</sub>)<sub>4</sub>) addition on the laser performance of Nd:YAG transparent ceramics was further discussed. The research results show that the laser output power and laser emission intensity of ceramics reach the maximum when the addition amount of TEOS is 0.5wt% under the same pump power.
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