Mr. Stephen Cheney Profile

Stephen Cheney

at NASA Marshall Space Flight Ctr

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Author

Publications (6)

Proceedings Article | 1 October 2024 Presentation

A comparison of gravity sag measurement methods

Stephen Cheney

Proceedings Volume PC13134, PC1313404 (2024) https://doi.org/10.1117/12.3028599

KEYWORDS: Optics manufacturing, Mirrors

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Proceedings Article | 5 October 2023 Presentation + Paper

The Marshall 100-meter x-ray beamline

Nicholas Thomas, Wayne Baumgartner, Stephen Bongiorno, Patrick Champey, Stephen Cheney, C. Grant Davis, Jessica Gaskin, Jeffery Kolodziejczak, Panini Singam, David Smith

Proceedings Volume 12679, 126790U (2023) https://doi.org/10.1117/12.2677927

KEYWORDS: X-rays, X-ray telescopes, X-ray optics, X-ray imaging, X-ray astronomy, Calibration, Astronomy, Astronomical telescopes, Analytical research, X-ray sources

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Proceedings Article | 5 October 2023 Presentation

Multiple methods of determining the gravity-sag of light-weighted optics

Tomasz Lis, H. Philip Stahl, Stephen Cheney

Proceedings Volume PC12677, PC126770J (2023) https://doi.org/10.1117/12.2677800

KEYWORDS: Computer generated holography, Modeling

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Proceedings Article | 28 September 2023 Presentation + Paper

Modeling thermal stability of 1.5-m AMTD ULE® mirror using ‘as-built’ CTE data

Stephen Cheney, jaganathan ranganathan, Thomas Brooks, H. Philip Stahl

Proceedings Volume 12664, 126640A (2023) https://doi.org/10.1117/12.2680789

KEYWORDS: Mirrors, Thermal stability, Data modeling, Coronagraphy, Thermal modeling, Wavefronts, Systems modeling, Performance modeling, Wavefront errors

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Proceedings Article | 3 October 2022 Presentation + Paper

Absolute characterization of gravity sag for light-weighted optics

Tomasz Lis, Stephen Cheney, H. Philip Stahl

Proceedings Volume 12221, 1222110 (2022) https://doi.org/10.1117/12.2636251

KEYWORDS: Mirrors, Monochromatic aberrations, Interferometers, Space telescopes, Telescopes, Surface finishing, Space mirrors, Computer aided design, Solid modeling, Optical testing

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Proceedings Article | 5 August 2021 Presentation

The Marshall 100-meter x-ray beamline

Nicholas Thomas, Wayne Baumgartner, Patrick Champey, Stephen Cheney, Jeffery Kolodziejczak, Kiranmayee Kilaru

Proceedings Volume 11822, 118220P (2021) https://doi.org/10.1117/12.2594966

KEYWORDS: X-rays, X-ray telescopes, X-ray imaging, X-ray detectors, X-ray astronomy, Calibration, Astronomical telescopes, X-ray optics, Stray light, Space telescopes

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Showing 5 of 6 publications

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