Ms. Ning Xu Profile

Ning Xu

at National Institute of Metrology

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Publications (3)

Proceedings Article | 10 May 2023 Paper

Measurement of kilowatts levels laser power based on radiation pressure

Zhenshan Sun, Qing Sun, Pin Wu, Ning Xu, Hong Yang

Proceedings Volume 12554, 125540S (2023) https://doi.org/10.1117/12.2651496

KEYWORDS: High power lasers, Mirrors, Measurement devices, Fiber lasers, Thermal sensing, Sun, Reflectivity, Power meters, Laser stabilization

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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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Proceedings Article | 10 October 2020 Poster + Paper

A new spectral responsivity calibration comparison of InGaAs photodiode based on cryogenic radiometer fundamentals at the National Institute of Metrology of China

Yingwei He, Haiyong Gan, Wende Liu, Yongjie Lin, Yangyang Wang, Ning Xu, Weiqiang Zhao, Zhiwei Liu, Limin Xiong, Nan Xu, Yandong Lin

Proceedings Volume 11552, 115521V (2020) https://doi.org/10.1117/12.2575380

KEYWORDS: Indium gallium arsenide, Calibration, Photodiodes, Cryogenics, Radiometry, Spectral calibration, Metrology, Monochromators, Light sources, Radio optics

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