Mr. Chaoqun Xu Profile

Chaoqun Xu

at National Institute of Metrology

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Publications (3)

Proceedings Article | 13 December 2024 Paper

Research on calibration method of 222nm UV radiometer

Haixi Luo, Yanfei Wang, Caihong Dai, Chaoqun Xu, Hongru Zhuang, Ling Li, Zhifeng Wu, Qiutong Cheng

Proceedings Volume 13498, 134980A (2024) https://doi.org/10.1117/12.3047103

KEYWORDS: Ultraviolet radiation, Radiometry, Measurement uncertainty, Light sources, Ultraviolet sources, Radiometric calibration

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Proceedings Article | 20 November 2024 Poster + Paper

Calibration method of ultraviolet radiant exposure meters

Hongru Zhuang, Yanfei Wang, Caihong Dai, Ling Li, Haixi Luo, Chaoqun Xu, Zhifeng Wu, Qiutong Cheng

Proceedings Volume 13241, 1324129 (2024) https://doi.org/10.1117/12.3040449

KEYWORDS: Ultraviolet radiation, Measurement uncertainty, Calibration, Radiometry, Metrology

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Proceedings Article | 18 April 2021 Poster + Presentation + Paper

Research of UV radiometer based on fiber spectroradiometer

Yanfei Wang, Caihong Dai, Ling Li, Zhifeng Wu, Ning Xu, Chaoqun Xu, Qiutong Cheng, Shufang He, Yihang Xie

Proceedings Volume 11772, 1177226 (2021) https://doi.org/10.1117/12.2593578

KEYWORDS: Ultraviolet radiation, Radiometry, Stray light, Temperature metrology, Light sources, Ultraviolet sources, Sensors, Optical testing, Lamps, Environmental sensing

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