一种基于无畸变取样的高能激光能量计校准装置 王艳茹袁 徐 德袁 冉铮惠 (中国工程物理研究院计量测试中心,四川绵阳 621900 ) 摘 要院 为解决传统的全吸收型激光能量计存在的量值上限问题袁 提出一种采用无畸变取样的新型激光能量校准装 置遥 该装置主要由透射式光学元件及标准探测器组成袁利用透射式化学元件反射的弱光以降低校准系统对标准探测器 的量程要求遥文中给出该校准装置实现高能激光能量测量装置校准的原理和方法袁并给出该套校准装置的不确定度评 定方法遥 该校准装置一方面可以测量激光器的输出能量袁另一方面可以校准现场用的其他高能激光能量测量设备遥 关键词院高能激光系统曰激光能量计曰校准曰无畸变取样 文献标志码院A 文章编号院1674-5124渊2015冤12-0079-04 A calibration equipment of high-energy laser energy meter based on distortionless sampling method WANG Yanru,XU De,RAN Zhenghui ( Metrology and Testing Center of China Academy of Engineering Physics, Mianyang 621900, China ) Abstract: In order to resolve the problem of traditional all -absorption energy meter has limited mearsurement range,a novel calibration setup of laser energy meter is proposed. The principle and method to achieve the calibration of testing apparatus is provided, meanwhile the evaluation of uncertainty for this calibration setup is also analyzed. This setup can both measure the output energy of lasers and calibrate other laser energy meters on site. Keywords: high energy system;laser energy meter;calibration;distortionless sampling 收稿日期院2015-01-11曰收到修改稿日期院2015-03-17 作者简介: 王艳茹渊1983-冤袁女袁陕西渭南市人袁高级工程师袁 博士袁主要从事光学计量与检测方面的工作遥 0 引 言 在高能激光的研究和应用领域中 [1-3] 袁高能激光 器输出功率或能量的大小是衡量高能激光系统的一 个重要指标遥 因此袁准确测量高能激光的输出功率或 能量变得越来越迫切 [4-6] 遥 由于高能激光系统输出功率和能量很高袁传统 的激光功率计尧能量计已不能满足高能激光输出的 测量遥 在各种高能激光能量计的研制中袁高准确度的 高能激光能量测量装置主要采用绝对式测量方法袁 该方法利用了高能激光吸收腔将入射的激光能量转 换为吸收腔的热能遥 目前袁国内开展高能激光能量计 研制的单位主要有西安应用光学研究所尧 中国工程 物理研究院应用电子学研究所等单位遥 西安 205 所 的相关科研人员采用了相对透明尧吸收层相对较厚尧 热敏面不易损伤的激光吸收材料袁满足了恶劣条件 下的高能激光能量现场测量 [7] 遥 随后开展了现场校准 方法的实验研究工作袁得到了能量计灵敏度系数与 环境温度的函数关系袁为激光能量计现场测试校准 技术的研究提供了一种可靠的新途径 [8] 遥 西安 205 所 中国测试 CHINA MEASUREMENT & TEST Vol.41 No.12 December, 2015 第 41 卷第 12 期 2015 年 12 月 doi院10.11857/j.issn.1674-5124.2015.12.020
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A calibration equipment of high-energy laser energy meterbased on distortionless sampling method
WANG Yanru,XU De,RAN Zhenghui(Metrology and Testing Center of China Academy of Engineering Physics,Mianyang 621900,China)
Abstract: In order to resolve the problem of traditional all -absorption energy meter has limitedmearsurement range,a novel calibration setup of laser energy meter is proposed. The principle andmethod to achieve the calibration of testing apparatus is provided,meanwhile the evaluation ofuncertainty for this calibration setup is also analyzed. This setup can both measure the outputenergy of lasers and calibrate other laser energy meters on site.Keywords: high energy system;laser energy meter;calibration;distortionless sampling
[9] Sung W T,Hsu Y C. Designing an industrial real-timemeasurement and monitoring system based on embeddedsystem and ZigBee[J]. Expert Systems with Applications,2011(38):4522-4529.