Dr. Hongchang Wang Profile

Dr. Hongchang Wang

at Diamond Light Source Ltd

SPIE Involvement:

Author

Proceedings Article | 26 August 2024 Presentation

Compact freeform 3 mirrors telescope for CubeSat within an additively manufactured housing (Conference Presentation)

Cyril Bourgenot, Joel Coukham, David Bramall, Paul White, Christopher Graham, Daniel Tomlinson, Hongchang Wang, Riley Shurvinton, Paresh Pradhan, Weichen Gu, Arindam Majhi, Kawal Sawhney, Abdul Haque

Proceedings Volume 13100, 131001J (2024) https://doi.org/10.1117/12.3020101

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Proceedings Article | 14 October 2022 Open Access

Practical implementations of speckle-based phase-retrieval methods in Python and GPU for tomography

Nghia Vo, Hongchang Wang, Lingfei Hu, Tunhe Zhou, Marie-Christine Zdora, Hans Deyhle, Robert Atwood, Michael Drakopoulos

Proceedings Volume 12242, 122420E (2022) https://doi.org/10.1117/12.2636834

KEYWORDS: Speckle analysis, Phase contrast, Open source software, Tomography, X-ray imaging, Image processing

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Proceedings Article | 21 August 2020 Open Access

Perturbation perspective of partial coherence discussion on imperfect x-ray optical elements

Lingfei Hu, John Sutter, Hongchang Wang, Kawal Sawhney

Proceedings Volume 11493, 114930D (2020) https://doi.org/10.1117/12.2567207

KEYWORDS: Optical components, Mirrors, X-ray optics, X-rays, Fourier transforms, Optical simulations, Coherence (optics), Distortion, Synchrotron radiation, Synchrotron radiation instrumentation, Free electron lasers

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Proceedings Article | 9 September 2019 Open Access

Ion beam figuring and optical metrology system for synchrotron x-ray mirrors

Matthew Hand, Simon Alcock, Michael Hillman, Richard Littlewood, Simone Moriconi, Hongchang Wang, Kawal Sawhney

Proceedings Volume 11109, 111090A (2019) https://doi.org/10.1117/12.2528463

KEYWORDS: Ion beams, Ions, Ion beam finishing, Mirrors, Metrology, X-rays, X-ray optics, Synchrotrons, Optical metrology, Optics manufacturing

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Proceedings Article | 7 September 2017 Open Access

Speckle-based portable device for in-situ metrology of x-ray mirrors at Diamond Light Source

Hongchang Wang, Yogesh Kashyap, Tunhe Zhou, Kawal Sawhney

Proceedings Volume 10385, 1038504 (2017) https://doi.org/10.1117/12.2274780

KEYWORDS: X-rays, Metrology, Mirrors, Diamond, Speckle, Synchrotrons, X-ray characterization, Light sources, Synchrotron radiation, In situ metrology

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Proceedings Article | 23 August 2017 Open Access

Speckle-based at-wavelength metrology of x-ray optics at Diamond Light Source

Hongchang Wang, Tunhe Zhou, Yogesh Kashyap, Kawal Sawhney

Proceedings Volume 10388, 103880I (2017) https://doi.org/10.1117/12.2274781

KEYWORDS: X-ray optics, Metrology, X-rays, Speckle, Synchrotron radiation, Mirrors, Diamond, In situ metrology, Synchrotrons, Optical testing

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Proceedings Article | 8 September 2016 Open Access

X-ray beam expansion by the application of re-entrant surface profiles to deformable bimorph mirrors

John Sutter, Simon Alcock, Yogesh Kashyap, Ioana Nistea, Hongchang Wang, Kawal Sawhney

Proceedings Volume 9965, 99650E (2016) https://doi.org/10.1117/12.2239116

KEYWORDS: Mirrors, X-rays, Deformable mirrors, Surface finishing, Polishing, Surface finishing, Deformable mirrors, Electrodes, Diamond, Light sources, Speckle, Beam shaping

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