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利用2 2 Na放射源和符合测量方法实现了对钨酸铅晶体的光输出纵向非均匀性的精细测量 .研究了改变晶体表面粗糙度对光输出非均匀性的影响
The fine measurement of longitudinal inhomogeneity of light output of lead tungstate crystal was achieved by 2 2 Na radioactive source and coincidence measurement method.The effect of changing the surface roughness of the crystal on the light output inhomogeneity was studied