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就人动脉和静脉对Ｈｅ Ｎｅ 激光的反射和透射特性进行了测量。实验采用两积分球系统，并根据测量数据计算和分析了动脉和静脉对激光的吸收系数及光学穿透深度。结果表明，动脉的漫反射明显较静脉要大，动脉对激光的吸收系数也较静脉大。
The He Ne laser’s reflection and transmission characteristics were measured on human arteries and veins. Two-sphere system was used in experiment, and the absorption coefficient and optical penetration depth of artery and vein on laser were calculated and analyzed based on the measured data. The results show that the diffuse reflection of arteries is obviously larger than that of veins and the absorption coefficient of arteries to lasers is also larger than that of veins.