Mr. Duowu Su Profile

Duowu Su

at National Institute of Metrology

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 7 March 2019 Paper

Paper

Evaluation of the diffraction correction during the 10th International Comparison of Absolute Gravimeters (ICAG-2017)

Qiyu Wang, Jinyang Feng, Shanliang Liu, Duowu Su, Chunjian Li, Shuqing Wu

Proceedings Volume 11053, 110532S (2019) https://doi.org/10.1117/12.2512025

KEYWORDS: Optical testing, Metrology, Wavefronts, Gaussian beams, Beam analyzers, Laser beam propagation, Precision measurement, Laser interferometry

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Proceedings Article | 7 March 2019 Paper

Paper

Investigation on gPhone gravimeter-119 for gravity variations observation during the 10th International Comparison of Absolute Gravimeters (ICAG-2017)

Qiyu Wang, Lishuang Mou, Jinyang Feng, Chunjian Li, Duowu Su, Shuqing Wu

Proceedings Volume 11053, 110532P (2019) https://doi.org/10.1117/12.2512020

KEYWORDS: Calibration, Metrology, Precision calibration, Reliability, Data acquisition, Precision measurement

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Proceedings Article | 7 March 2019 Paper

Paper

Investigation on the dynamic characteristics of CG-6 relative gravimeter for the micro-gravity network

Shan-liang Liu, Jin-yang Feng, Qi-yu Wang, Duo-wu Su, Chun-jian Li, Shu-qing Wu

Proceedings Volume 11053, 110531V (2019) https://doi.org/10.1117/12.2511622

KEYWORDS: Atmospheric corrections, Metrology, Data processing, Sensor calibration

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Proceedings Article | 26 January 2016 Paper

Paper

Precision evaluation of calibration factor of a superconducting gravimeter using an absolute gravimeter

Jin-yang Feng, Shu-qing Wu, Chun-jian Li, Duo-wu Su, Jin-yi Xu, Mei Yu

Proceedings Volume 9903, 99031O (2016) https://doi.org/10.1117/12.2214029

KEYWORDS: Seaborgium, Calibration, Silver, Precision calibration, Superconductors, Solids, Data processing, Metrology, Error analysis, Earthquakes

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Proceedings Article | 6 March 2015 Paper

Paper

Measurement time interval based on FPGA in NIM-3 absolute gravimeter

Shuqing Wu, Chunjian Li, Duowu Su, Jinyang Feng, Jinyi Xu

Proceedings Volume 9446, 94461P (2015) https://doi.org/10.1117/12.2180835

KEYWORDS: Clocks, Field programmable gate arrays, Time metrology, Beam splitters, Error analysis, Signal detection, Rubidium, Software development, Metrology, Signal processing

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Proceedings Article | 6 March 2015 Paper

Paper

Correction of NIM-3A absolute gravimeter for self-attraction effect

Chunjian Li, Jin-yi Xu, Jin-yang Feng, Duo-wu SU, Shu-qing Wu

Proceedings Volume 9446, 944608 (2015) https://doi.org/10.1117/12.2083901

KEYWORDS: Beam splitters, Metrology, Distance measurement, Interferometers, Finite element methods, Measurement devices, Time metrology, Lithium, Mechanics, Acoustics

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Proceedings Article | 6 March 2015 Paper

Paper

Influence of diffraction effect on measurements of absolute gravity

Duowu Su, Chunjian Li, Shuqing Wu, Jinyang Feng, Jinyi Xu

Proceedings Volume 9446, 94463R (2015) https://doi.org/10.1117/12.2181427

KEYWORDS: Diffraction, Gaussian beams, Optical testing, Collimators, Precision measurement, Wavefronts, Interferometers, Metrology, Geology, Michelson interferometers

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Proceedings Article | 6 March 2015 Paper

Paper

Effect of self-vibration on accuracy of free-fall absolute gravity measurement with laser interferometer

Jin-yang Feng, Shu-qing Wu, Chun-jian Li, Duo-wu Su, Mei Yu

Proceedings Volume 9446, 94460E (2015) https://doi.org/10.1117/12.2084784

KEYWORDS: Mirrors, Interferometers, Interfaces, Numerical simulations, Reflectors, Beam splitters, Vibration isolation, Refractive index, Error analysis, Metrology

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Showing 5 of 8 publications

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