Dr. Jun Qian Profile

Dr. Jun Qian

at Argonne National Lab

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Author

Publications (5)

Proceedings Article | 4 October 2023 Presentation

Fabrication and LTP test result for a 460 mm long deformable mirror to reduce “junction effect”

Yoshio Ichii, Takato Inoue, Fumiharu Tramae, Shinsaku Shiroma, Shinya Aono, Xianbo Shi, Jun Qian, Luca Rebuffi, Juniki Sonoyama, Hisataka Takenaka, Satoshi Matsuyama, Lahsen Assoufid, Kazuto Yamauchi

Proceedings Volume PC12695, PC1269501 (2023) https://doi.org/10.1117/12.2680882

KEYWORDS: Deformable mirrors, Fabrication, Ferroelectric materials, X-rays, Vacuum, Silver, Physics, Nanoparticles, Mirror surfaces, Manufacturing

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Proceedings Article | 21 September 2021 Presentation + Paper

Control enhancement of an elliptically bent hard x-ray dynamic mirror bender with machine-learning techniques

Sheikh Mashrafi, Ross Harder, Xianbo Shi, Deming Shu, Zhi Qiao, Max Wyman, Tim Mooney, Jayson Anton, Steven Kearney, Luca Rebuffi, Jun Qian, Bing Shi, Lahsen Assoufid

Proceedings Volume 11837, 118370E (2021) https://doi.org/10.1117/12.2594827

KEYWORDS: Mirrors, Hard x-rays, Machine learning, X-ray optics, Zoom lenses, Sensors, Sensor calibration, Prototyping, Optomechanical design, Optical design

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Proceedings Article | 14 September 2020 Presentation + Paper

Machine learning control of an elliptically bent hard X-ray mirror

Sheikh Mashrafi, Ross Harder, Xianbo Shi, Deming Shu, Zhi Qiao, Max Wyman, Tim Mooney, Jayson Anton, Steven Kearney, Luca Rebuffi, Jun Qian, Bing Shi, Lahsen Assoufid

Proceedings Volume 11491, 114910T (2020) https://doi.org/10.1117/12.2567725

KEYWORDS: Mirrors, Hard x-rays, Machine learning, Control systems, Sensors, Profilometers, Feedback control, In situ metrology, Adaptive optics, Control systems design

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Proceedings Article | 22 August 2020 Poster + Paper

Prototype design and experimental tests of a zoom mirror system for the APS upgrade

Xianbo Shi, Zhi Qiao, Sheikh Mashrafi, Ross Harder, Deming Shu, Max Wyman, Jayson Anton, Steven Kearney, Luca Rebuffi, Tim Mooney, Jun Qian, Bing Shi, Satoshi Matsuyama, Kazuto Yamauchi, Lahsen Assoufid

Proceedings Volume 11491, 1149110 (2020) https://doi.org/10.1117/12.2569129

KEYWORDS: Mirrors, Wavefronts, Zoom lenses, Electrodes, Prototyping, Sensors, Adaptive optics, Wavefront sensors, Deformable mirrors

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Proceedings Article | 30 August 2019 Presentation + Paper

Finite element modeling of a laminar flexure bending mechanism for elliptically bent hard x-ray mirror

Jayson W. J. Anton, Deming Shu, Steven Kearney, Ross Harder, Xianbo Shi, Tim Mooney, Sheikh Mashrafi, Jun Qian, Bing Shi, Lahsen Assoufid

Proceedings Volume 11100, 111000B (2019) https://doi.org/10.1117/12.2529391

KEYWORDS: Mirrors, Finite element methods, Sensors, Hard x-rays, Silicon, X-ray optics, X-rays, Actuators

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