便携式医用激光源检定装置的研制及测量不确定度评定  

Development of Portable Verification Device for Medical Lasers and Measurement Uncertainty Evaluation

作　　者：杨在富[1] 马冲[2] 王嘉睿[1] 孙之旭[2] 杨景庚[1] 康宏向[1] 马萍[1] 胡向军[1] 钱焕文[1] 

机构地区：[1]军事医学科学院放射与辐射医学研究所,北京100850 [2]中国计量科学研究院,北京100013

出　　处：《医疗卫生装备》2010年第7期1-3,11,共4页Chinese Medical Equipment Journal

基　　金：全军军事计量课题(JL3.17)

摘　　要：目的:设计研制便携式医用激光源检定装置。方法:该装置设计由毫瓦级激光功率探测器、瓦级激光功率探测器、激光能量探测器、激光功率/能量显示器、激光输出终端锁定装置等5部分组成。3个探测器共用一台显示器以实现便携目的。激光输出终端锁定装置用于固定激光终端和探测器的相对位置,以便于在医疗单位现场开展测量工作。对检定装置进行了性能测试和不确定度评定。结果:研制出便携式医用激光源检定装置1套,3个探测器可测量的激光功率、能量范围分别为0.1～100mW、0.1～150W、0.01～2.0J,在校准波长上的测量不确定度为1.5%、2.6%和3.3%。结论:研制的便携式医用激光源检定装置性能达到了设计指标要求,适合于在医疗单位现场开展检定工作。Objective To developed a portable verification device for medical laser source.Methods The portable verification device was designed to be composed of a low-power detector,a high power detector,an energy detector,a laser power/energy monitor and a fixing tool.Three detectors were connected to the same monitor for the portable purpose.The fixing tool was used for the fixation between medical laser handpiece and power/energy detector.The performance of this device was tested and the uncertainty of measurement was evaluated.Results A set of portable verification device was developed.The measurable laser power and energy range was 0.1~100 mW,0.1~150 W and 0.01~2.0J respectively,and the respective uncertainty on verification wavelength was 1.5%,2.6% or 3.3%.Conclusion The portable verification device agrees well with demands and is suitable for on-site verification of medical lasers.

关 键 词：医用激光源 检定装置 测量不确定度评定 

分 类 号：R197.39[医药卫生—卫生事业管理]