Mr. Longbo Xu Profile

Longbo Xu

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Publications (6)

Proceedings Article | 10 October 2020 Presentation + Paper

Precision measurement methods of wavefront error for meter-size planar optical components applied to ICF systems

Shijie Liu, Longbo Xu, Xu Zhang, You Zhou, Qi Lu, Yunbo Bai, Jianda Shao

Proceedings Volume 11552, 1155202 (2020) https://doi.org/10.1117/12.2575126

KEYWORDS: Optical components, Wavefronts, Precision measurement, Error analysis, Manufacturing, Optical engineering, Optics manufacturing, Coating, Control systems

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Proceedings Article | 20 December 2019 Paper

In-situ absolute measurement method for reference surface error of large aperture interferometer based on oblique incidence

You Zhou, Shijie Liu, Yunbo Bai, Longbo Xu, Jianda Shao

Proceedings Volume 11209, 112091K (2019) https://doi.org/10.1117/12.2547402

KEYWORDS: Interferometers, Wavefronts, Surface finishing, Interferometry, Optical components, Optical testing, Fizeau interferometers, Optics manufacturing

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Proceedings Article | 10 May 2019 Paper

New fabrication method of step plate for measuring instrument transfer function of interferometer

Longbo Xu, You Zhou, Rihong Zhu, Yunbo Bai, Shijie Liu

Proceedings Volume 11068, 110682U (2019) https://doi.org/10.1117/12.2532579

KEYWORDS: Interferometers, Coating, Reflectivity, Polishing, Optical components, Etching, Surface roughness, Surface finishing, Photomasks, Reactive ion etching

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Proceedings Article | 14 November 2017 Paper

Absolute surface form measurement of large flat optics based on oblique incidence method

Shijie Liu, Longbo Xu, You Zhou, Shi Men, Yunbo Bai, Xueke Xu, Jianda Shao

Proceedings Volume 10448, 104481J (2017) https://doi.org/10.1117/12.2279873

KEYWORDS: Wavefronts, Interferometers, Optical testing, Interferometry, Optical components, Fizeau interferometers, Calibration, High power lasers, Laser systems engineering, Mirrors

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Proceedings Article | 26 June 2017 Paper

Study on measurement accuracy of active optics null test systems based on liquid crystal spatial light modulator and laser interferometer

Shijie Liu, Longbo Xu, Xiao Ma, Zhigang Zhang, You Zhou, Qi Lu, Yunbo Bai, Jianda Shao

Proceedings Volume 10329, 103290A (2017) https://doi.org/10.1117/12.2269435

KEYWORDS: Refractive index, Quality measurement, Optical testing, Interferometers, Liquid crystals, Wavefronts, Active optics, Laser optics, Aspheric lenses, Spherical lenses, Computer generated holography, Modulators

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Proceedings Article | 19 October 2016 Paper

Research progress of large optics in the TMT MOBIE

Shijie Liu, Longbo Xu, You Zhou, Weili Zhang, Qi Lu, Wenlan Gao, Jianguo Wang, Zhaoyang Wei, Xueke Xu, Hongbo He, Jianda Shao

Proceedings Volume 10154, 1015429 (2016) https://doi.org/10.1117/12.2247534

KEYWORDS: Optics manufacturing, Optical metrology

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Showing 5 of 6 publications

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