Dr. Xu Wang Profile

Dr. Xu Wang

Senior Engineer at Jet Propulsion Lab

SPIE Involvement:

Author

Publications (22)

Proceedings Article | 29 July 2016 Paper

Zernike wavefront sensor (ZWFS) development for Low Order Wavefront Sensing (LOWFS)

Xu Wang, Fang Shi, J. Kent Wallace

Proceedings Volume 9904, 990463 (2016) https://doi.org/10.1117/12.2231252

KEYWORDS: Wavefront sensors, Stars, Coronagraphy, Sensors, Phase shift keying, Wavefronts, Mirrors, Image sensors, Performance modeling, Data modeling

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Proceedings Article | 29 July 2016 Paper

Low order wavefront sensing and control for WFIRST coronagraph

Fang Shi, Kunjithapatham Balasubramanian, Randall Bartos, Randall Hein, Raymond Lam, Milan Mandic, Douglas Moore, James Moore, Keith Patterson, Ilya Poberezhskiy, Joel Shields, Erkin Sidick, Hong Tang, Tuan Truong, James Wallace, Xu Wang, Daniel Wilson

Proceedings Volume 9904, 990418 (2016) https://doi.org/10.1117/12.2234226

KEYWORDS: Wavefront sensors, Space telescopes, Wavefronts, Mirrors, Telescopes, Coronagraphy, Sensors, Cameras, Monochromatic aberrations, Device simulation

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SPIE Journal Paper | 22 June 2016

Extension of ATLAST/LUVOIR’s capabilities to 5 μm or beyond

Michael Werner, Mark Swain, Gautam Vasisht, Xu Wang, Steven Macenka, Avi Mandell, Shawn Domagal-Goldman, Joel Green, Christopher Stark

JATIS, Vol. 2, Issue 04, 041205, (June 2016) https://doi.org/10.1117/12.10.1117/1.JATIS.2.4.041205

KEYWORDS: Stars, Exoplanets, Space telescopes, Telescopes, Planets, Spectroscopy, Infrared telescopes, Infrared radiation, Earth's atmosphere, James Webb Space Telescope

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SPIE Journal Paper | 15 March 2016

Low-order wavefront sensing and control for WFIRST-AFTA coronagraph

Fang Shi, Kunjithapatham Balasubramanian, Randall Hein, Raymond Lam, Douglas Moore, James Moore, Keith Patterson, Ilya Poberezhskiy, Joel Shields, Erkin Sidick, Hong Tang, Tuan Truong, J. Kent Wallace, Xu Wang, Daniel Wilson

JATIS, Vol. 2, Issue 01, 011021, (March 2016) https://doi.org/10.1117/12.10.1117/1.JATIS.2.1.011021

KEYWORDS: Coronagraphy, Wavefront sensors, Wavefronts, Sensors, Telescopes, Actuators, Space telescopes, Control systems, Cameras, Mirrors

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Proceedings Article | 16 September 2015 Paper

Low order wavefront sensing and control for WFIRST-AFTA coronagraph

Fang Shi, Kunjithapatham Balasubramanian, Randall Bartos, Randall Hein, Brian Kern, John Krist, Raymond Lam, Douglas Moore, James Moore, Keith Patterson, Ilya Poberezhskiy, Joel Shields, Erkin Sidick, Hong Tang, Tuan Truong, Kent Wallace, Xu Wang, Dan Wilson

Proceedings Volume 9605, 960509 (2015) https://doi.org/10.1117/12.2188775

KEYWORDS: Coronagraphy, Wavefronts, Wavefront sensors, Actuators, Telescopes, Calibration, Sensors, Mirrors, Monochromatic aberrations, Space telescopes

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Proceedings Article | 16 September 2015 Paper

Zernike wavefront sensor modeling development for LOWFS on WFIRST-AFTA

Xu Wang, J. Kent Wallace, Fang Shi

Proceedings Volume 9605, 960528 (2015) https://doi.org/10.1117/12.2186191

KEYWORDS: Stars, Coronagraphy, Sensors, Wavefront sensors, Wavefronts, Sensor performance, Cameras, Quantum efficiency, Space telescopes, Point spread functions

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Proceedings Article | 16 September 2015 Paper

Control design for momentum-compensated fast steering mirror for WFIRST-AFTA coronagraph instrument

Keith Patterson, Joel Shields, Xu Wang, Hong Tang, Ali Azizi, Paul Brugarolas, Milan Mandic, Fang Shi

Proceedings Volume 9605, 96052C (2015) https://doi.org/10.1117/12.2191813

KEYWORDS: Coronagraphy, Sensors, Mirrors, Telescopes, Space telescopes, Device simulation, Wavefronts, Stars, Control systems, Ferroelectric materials

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Proceedings Article | 2 August 2014 Paper

Technology development towards WFIRST-AFTA coronagraph

Ilya Poberezhskiy, Feng Zhao, Xin An, Kunjithapatham Balasubramanian, Ruslan Belikov, Eric Cady, Richard Demers, Rosemary Diaz, Qian Gong, Brian Gordon, Renaud Goullioud, Frank Greer, Olivier Guyon, Michael Hoenk, N. Jeremy Kasdin, Brian Kern, John Krist, Andreas Kuhnert, Michael McElwain, Bertrand Mennesson, Dwight Moody, Richard Muller, Bijan Nemati, Keith Patterson, A. J. Riggs, Daniel Ryan, Byoung-Joon Seo, Stuart Shaklan, Erkin Sidick, Fang Shi, Nicholas Siegler, Rémi Soummer, Hong Tang, John Trauger, J. Kent Wallace, Xu Wang, Victor White, Daniel Wilson, Karl Yee, Hanying Zhou, Neil Zimmerman

Proceedings Volume 9143, 91430P (2014) https://doi.org/10.1117/12.2060320

KEYWORDS: Coronagraphy, Sensors, Wavefronts, Wavefront sensors, Iterated function systems, Photomasks, Space telescopes, Exoplanets, Deformable mirrors, Planets

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Proceedings Article | 18 July 2014 Paper

Experimental validation of Advanced Dispersed Fringe Sensing (ADFS) algorithm using Advanced Wavefront Sensing and Correction Testbed (AWCT)

Xu Wang, Fang Shi, Norbert Sigrist, Byoung-Joon Seo, Hong Tang, Siddarayappa Bikkannavar, Scott Basinger, Oliver Lay

Proceedings Volume 9151, 91513N (2014) https://doi.org/10.1117/12.2056554

KEYWORDS: Free electron lasers, Calibration, Point spread functions, Algorithm development, Image segmentation, Signal processing, Wavefront sensors, Ferroelectric materials, Data analysis, Image processing

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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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