中国激光, 2017, 44 (3): 0314001, 网络出版: 2017-03-08   

太赫兹辐射功率计量研究进展与国际比对 下载: 762次

Progress of Terahertz Radiometry and International Comparison
作者单位
中国计量科学研究院光学与激光计量科学研究所, 北京 100029
摘要
太赫兹技术的重要应用急需准确的太赫兹辐射功率计量作为支撑和保障,国际计量局组织开展了国际首次太赫兹辐射功率测量比对。为实现太赫兹辐射功率准确测量,保障我国太赫兹功率计量取得国际等效互认,报导了全吸收型太赫兹辐射功率计,对太赫兹辐射功率计的计量性能和测量不确定度进行详细分析和实验测试。利用一种具有镜反射的太赫兹辐射计,对全吸收型太赫兹辐射计的计量性能进行实验验证,保障了太赫兹辐射功率计响应度量值的准确性和不确定度分析的合理性。利用自主研制的太赫兹辐射计参加国际首次太赫兹功率比对,取得了国际等效一致。
Abstract
The wide application of terahertz technology demands accurate and traceable measurement of terahertz radiometry. The first international terahertz power comparison took place under the guideline of the consultative committee for photometry and radiometry of the international committee for weights and measures. A highly absorptive terahertz radiometer is fabricated for the comparison and the uncertainty of terahertz measurement are analyzed and experimentally investigated, for realizing the terahertz measurement accurately and guaranteeing the internationally equivalence and mutual recognition of Chinese terahertz measurements. Also, for confirming the measurement accuracy and uncertainty analysis of the terahertz radiometer, a terahertz radiometers with specular reflection is constructed, and the comparison measurements with the highly absorptive terahertz radiometer is performed. The self-made terahertz radiometer is used in the first international terahertz comparison, and excellent agreement is obtained.
参考文献

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邓玉强, 孙青, 于靖, 徐楠, 林延东. 太赫兹辐射功率计量研究进展与国际比对[J]. 中国激光, 2017, 44(3): 0314001. Deng Yuqiang, Sun Qing, Yu Jing, Xu Nan, Lin Yandong. Progress of Terahertz Radiometry and International Comparison[J]. Chinese Journal of Lasers, 2017, 44(3): 0314001.

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