Dr. Chengxing Zhai Profile

Dr. Chengxing Zhai

at Jet Propulsion Lab

SPIE Involvement:

Author

Publications (24)

Proceedings Article | 13 December 2020 Presentation + Paper

The Micro-arcsecond Astrometry Small Satellite: MASS

Bijan Nemati, Michael Shao, Guillermo Gonzalez, Chengxing Zhai, Scott Miskovish, Patrick Reardon, Michael Graves, Kurt Knutson, Eduardo Bendek, Inseob Hahn

Proceedings Volume 11443, 114430O (2020) https://doi.org/10.1117/12.2574986

KEYWORDS: Satellites, Planets, Stars, Exoplanets, Solar system, Space telescopes, Distortion, Calibration, Mirrors, CMOS sensors

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Proceedings Article | 18 September 2018 Presentation + Paper

A constellation of MicroSats to search for NEOs

Michael Shao, Hanying Zhou, Slava Turyshev, Chengxing Zhai, Navtej Saini, Russell Trahan

Proceedings Volume 10769, 107690K (2018) https://doi.org/10.1117/12.2322414

KEYWORDS: Telescopes, Sun, Satellites, Large Synoptic Survey Telescope, Signal to noise ratio, Device simulation, Space telescopes, Large telescopes, Solar system, Photons

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Proceedings Article | 9 August 2016 Paper

Nanoradian ground-based astrometry, optical navigation, and artificial reference stars

Chengxing Zhai, Michael Shao, Abhijit Biswas, Todd Ely, Christopher Jacobs, Joseph Lazio, Tomas Martin-Mur, William Owen, Mike Rud, Navtej Saini, Jagmit Sandhu, Slava Turyshev, Thomas Werne

Proceedings Volume 9908, 99085B (2016) https://doi.org/10.1117/12.2233689

KEYWORDS: Stars, Space operations, Distortion, Space telescopes, Telescopes, Optical navigation, Adaptive optics, Refraction, Turbulence, Optical communications

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Proceedings Article | 29 July 2016 Paper

The latest results from DICE (Detector Interferometric Calibration Experiment)

A. Crouzier, F. Malbet, F. Hénault, A. Léger, C. Cara, J. M. Le Duigou, O. Preis, P. Kern, A. Delboulbe, G. Martin, P. Feautrier, E. Stadler, S. Lafrasse, S. Rochat, C. Ketchazo, M. Donati, Eric Doumayrou, P. O. Lagage, M. Shao, R. Goullioud, B. Nemati, C. Zhai, E. Behar, S. Potin, M. Saint-Pe, J. Dupont

Proceedings Volume 9904, 99045G (2016) https://doi.org/10.1117/12.2234304

KEYWORDS: Interferometry, Calibration, Sensors, Metrology, Stars, Charge-coupled devices, Electroluminescent displays, Stray light, Point spread functions, Planets

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Proceedings Article | 18 May 2016 Paper

Low-cost chirp linearization for long-range ISAL imaging application

Hanying Zhou, Bijan Nemati, Mike Shao, Chengxing Zhai, Inseob Hahn, William Schulze, Russell Trahan

Proceedings Volume 9846, 98460D (2016) https://doi.org/10.1117/12.2224122

KEYWORDS: Ferroelectric materials, Turbulence, Receivers, Interferometers, Laser applications, LIDAR, Transmitters, Phase measurement, Tunable lasers, Bragg cells

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Proceedings Article | 22 August 2014 Paper

Realtime speckle sensing and suppression with project 1640 at Palomar

Gautam Vasisht, Eric Cady, Chengxing Zhai, Thomas Lockhart, Ben Oppenheimer

Proceedings Volume 9148, 914822 (2014) https://doi.org/10.1117/12.2056591

KEYWORDS: Adaptive optics, Wavefronts, Stars, Coronagraphy, Iterated function systems, Wavefront sensors, Planets, Telescopes, Deformable mirrors, Speckle

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Proceedings Article | 26 September 2013 Paper

Estimate low- and high-order wavefront using P1640 calibrator measurements

C. Zhai, G. Vasisht, M. Shao, T. Lockhart, E. Cady, B. Oppenheimer, R. Burruss, J. Roberts, C. Beichman, D. Brenner, J. Crepp, R. Dekany, L. Hillenbrand, S. Hinkley, I. Parry, L. Pueyo, E. Rice, L. Roberts, A. Sivaramakrishnan, R. Soummer, H. Tang, F. Vescelus, K. Wallace, N. Zimmerman

Proceedings Volume 8864, 88640L (2013) https://doi.org/10.1117/12.2024754

KEYWORDS: Wavefronts, Coronagraphy, Error analysis, Calibration, Wavefront aberrations, Spatial frequencies, Monte Carlo methods, Adaptive optics, Atmospheric propagation, Imaging systems

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Proceedings Article | 26 September 2013 Paper

Electric field conjugation with the project 1640 coronagraph

Eric Cady, Christoph Baranec, Charles Beichman, Douglas Brenner, Rick Burruss, Justin Crepp, Richard Dekany, David Hale, Lynne Hillenbrand, Sasha Hinkley, E. Robert Ligon, Thomas Lockhart, Ben Oppenheimer, Ian Parry, Laurent Pueyo, Emily Rice, Lewis Roberts, Jennifer Roberts, Michael Shao, Anand Sivaramakrishnan, Remi Soummer, Hong Tang, Tuan Truong, Gautam Vasisht, Fred Vescelus, J. Kent Wallace, Chengxing Zhai, Neil Zimmerman

Proceedings Volume 8864, 88640K (2013) https://doi.org/10.1117/12.2024635

KEYWORDS: Coronagraphy, Wavefronts, Iterated function systems, Stars, Telescopes, Cameras, Sensors, Adaptive optics, Wavefront sensors, Space telescopes

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Proceedings Article | 13 September 2012 Paper

Project 1640: the world's first ExAO coronagraphic hyperspectral imager for comparative planetary science

Ben Oppenheimer, Charles Beichman, Douglas Brenner, Rick Burruss, Eric Cady, Justin Crepp, Lynne Hillenbrand, Sasha Hinkley, E. Ligon, Thomas Lockhart, Ian Parry, Laurent Pueyo, Emily Rice, Lewis Roberts, Jennifer Roberts, Michael Shao, Anand Sivaramakrishnan, Rémi Soummer, Gautam Vasisht, Fred Vescelus, J. Kent Wallace, Chengxing Zhai, Neil Zimmerman

Proceedings Volume 8447, 844720 (2012) https://doi.org/10.1117/12.926419

KEYWORDS: Stars, Adaptive optics, Coronagraphy, Planets, Wavefronts, Speckle, Sensors, Imaging systems, Control systems, Telescopes

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Proceedings Article | 13 September 2012 Paper

A first order wavefront estimation algorithm for P1640 calibrator

C. Zhai, G. Vasisht, M. Shao, T. Lockhart, E. Cady, B. Oppenheimer, R. Burruss, J. Roberts, C. Beichman, D. Brenner, J. Crepp, R. Dekany, S. Hinkley, L. Hillenbrand, E. R. Ligon, I. Parry, L. Pueyo, E. Rice, L. Roberts, A. Sivaramakrishnan, R. Soummer, F. Vescelus, K. Wallace, N. Zimmerman

Proceedings Volume 8447, 84476W (2012) https://doi.org/10.1117/12.927015

KEYWORDS: Calibration, Wavefronts, Coronagraphy, Adaptive optics, Actuators, Imaging systems, Cameras, Speckle, Spatial frequencies, Wavefront sensors

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Proceedings Article | 15 September 2011 Paper

Micropixel-level image position sensing testbed

Bijan Nemati, Michael Shao, Chengxing Zhai, Hernan Erlig, Renaud Goullioud, Xu Wang

Proceedings Volume 8151, 81510W (2011) https://doi.org/10.1117/12.894477

KEYWORDS: Metrology, Stars, Charge-coupled devices, Telescopes, Point spread functions, Quantum efficiency, Optical fibers, Calibration, Space telescopes, Mirrors

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Proceedings Article | 15 September 2011 Paper

NEAT: a microarcsec astrometric telescope

M. Shao, B. Nemati, C. Zhai, R. Goullioud, F. Malbet, A. Leger

Proceedings Volume 8151, 81510V (2011) https://doi.org/10.1117/12.894481

KEYWORDS: Stars, Space telescopes, Telescopes, Charge-coupled devices, Point spread functions, Planets, Diffraction, Metrology, Sensors, Mirrors

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