Mr. Ankur Chopra Profile

Ankur Chopra

at Lockheed Martin Space Systems Co

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Publications (2)

Proceedings Article | 3 September 2021 Presentation + Paper

LUVOIR-ECLIPS closed-loop adaptive optics performance and contrast predictions

Axel Potier, Garreth Ruane, Pin Chen, Ankur Chopra, Larry Dewell, Roser Juanola Parramon, Alison Nordt, Laurent Pueyo, David Redding, AJ Eldorado Riggs, Dan Sirbu

Proceedings Volume 11823, 118231L (2021) https://doi.org/10.1117/12.2595116

KEYWORDS: Adaptive optics, Wavefronts, Wavefront sensors, Telescopes, Principal component analysis, Coronagraphy, Exoplanets

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Proceedings Article | 9 September 2019 Presentation + Paper

Dynamic wavefront error and line-of-sight performance predictions for the 15-meter segmented Large Ultraviolet/Optical/Infrared Surveyor (LUVOIR) with non-contact vibration isolation

Larry Dewell, Alison Nordt, Ankur Chopra, Matthew Bolcar, Julie Crooke, Michael Jacoby, Kiarash Tajdaran, Torben Andersen

Proceedings Volume 11115, 111150S (2019) https://doi.org/10.1117/12.2528190

KEYWORDS: Wavefronts, Vibration isolation, Mirrors, Coronagraphy, Observatories, Image segmentation, Imaging systems, Control systems, Integrated modeling, Performance modeling

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