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

Proc. SPIE. 9904, Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave

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

Proc. SPIE. 9904, Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave

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

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

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

Proc. SPIE. 9605, Techniques and Instrumentation for Detection of Exoplanets VII

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

Proc. SPIE. 9605, Techniques and Instrumentation for Detection of Exoplanets VII

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

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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

Proc. SPIE. 9605, Techniques and Instrumentation for Detection of Exoplanets VII

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

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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

Proc. SPIE. 9143, Space Telescopes and Instrumentation 2014: Optical, Infrared, and Millimeter Wave

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

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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

Proc. SPIE. 9151, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation

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

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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

Proc. SPIE. 8151, Techniques and Instrumentation for Detection of Exoplanets V

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

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Proceedings Article | 22 July 2010 Paper

Mitigation of angle tracking errors due to color dependent centroid shifts in SIM Lite

Bijan Nemati, Xin An, Renaud Goullioud, Michael Shao, Tsae-Pyng Shen, Udo Wehmeier, Mark Weilert, Xu Wang, Thomas Werne, Janet Wu, Chengxing Zhai