激光功率计量器具自动检定系统及其测量不确定度评定  

Automatic system for laser power meter calibration and evaluation of its measurement uncertainty

作　　者：高光煌[1] 徐锋[1] 张桂素[1] 罗振坤[1] 杨景庚[1] 杨在富[1] 

机构地区：[1]军事医学科学院放射医学研究所,北京市100850

出　　处：《医疗卫生装备》2003年第8期6-7,9,共3页Chinese Medical Equipment Journal

摘　　要：介绍了激光功率计量器具自动检定系统的组成和工作原理,给出了实时监测和直接测量两种检定方法及其流程图,并对检定结果的测量不确定度进行了评定。实验得到该系统的数据采集不确定度为0.2%,数据处理不确定度为0.01%,检定结果的测量不确定度为2.0%。In this paper,the constitution and operation principle of an automatic system for laser power meter cali-bration are presented.Two kinds of calibration methods,direct measure and realtime monitoring,and their flow dia-grams are introduced.The measurement uncertainty is also evaluated.Our experiment indicates that the measurement uncertainty caused by data collecting and processing are respectively0.2%and0.01%,and that the expanded uncer-tainty is2.0%.

关 键 词：激光功率计量器 自动检定系统 测量不确定度 工作原理 

分 类 号：TN249[电子电信—物理电子学]