Dr. Jian Liu Profile

Dr. Jian Liu

at National Institute of Metrology

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Publications (3)

Proceedings Article | 24 November 2016 Paper

The total spectral radiant flux calibration using a spherical spectrometer at National Institute of Metrology China

Weiqiang Zhao, Hui Liu, Jian Liu

Proceedings Volume 10023, 100230Q (2016) https://doi.org/10.1117/12.2245571

KEYWORDS: Calibration, Spectroscopy, Spherical lenses, Lamps, Spectral calibration, Light emitting diodes, Metrology, Silicon, Photodetectors, Optical spheres

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Proceedings Article | 19 October 2016 Paper

The evaluation of uncertainty about the shape of aperture on measurement of averaged LED intensity

Jian Liu, Hui Liu, Wei-qiang Zhao, Cheng Li, Xiao-ying Zhang, Bao-zhou Zhang

Proceedings Volume 10155, 101552U (2016) https://doi.org/10.1117/12.2247219

KEYWORDS: Light emitting diodes, Metrology, Photometry

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Proceedings Article | 22 June 2013 Paper

Estimation of the sampling interval error for LED measurement with a goniophotometer

Weiqiang Zhao, Hui Liu, Jian Liu

Proceedings Volume 8769, 87690N (2013) https://doi.org/10.1117/12.2021051

KEYWORDS: Light emitting diodes, Goniophotometry, Computer simulations, Light sources, Error analysis, Lamps, LED lighting, Optical metrology, Sensors, Metrology

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