Dr. John Z. Lou
Technical Staff
SPIE Involvement:
Author
Publications (17)

Proceedings Article | 1 October 2024 Presentation + Paper
Proceedings Volume 13129, 131290K (2024) https://doi.org/10.1117/12.3030015
KEYWORDS: Sensors, Metrology, Wavefront errors, Coronagraphy, Wavefronts, Laser metrology, Telescopes, Matrices, Mirrors, Wavefront sensors

Proceedings Article | 28 August 2024 Poster + Paper
Proceedings Volume 13092, 130926F (2024) https://doi.org/10.1117/12.3020656
KEYWORDS: Coronagraphy, Phase shifts, Deformable mirrors, Reconstruction algorithms, Actuators, Point diffraction interferometers, Cameras, Matrices, Equipment, Adaptive optics

Proceedings Article | 23 August 2024 Presentation + Paper
Proceedings Volume 13092, 130921P (2024) https://doi.org/10.1117/12.3020583
KEYWORDS: Sensors, Coronagraphy, Metrology, Wavefront errors, Telescopes, Equipment, Wavefront sensors, Image segmentation, Electric fields, Wavefronts

Proceedings Article | 5 October 2023 Presentation + Paper
Proceedings Volume 12680, 126801M (2023) https://doi.org/10.1117/12.2678150
KEYWORDS: Coronagraphy, Telescopes, Sensors, Electric fields, Wavefront sensors, Equipment, Stars, Metrology, Laser metrology, Wavefront errors

Proceedings Article | 27 August 2022 Presentation + Paper
Proceedings Volume 12180, 121802L (2022) https://doi.org/10.1117/12.2630343
KEYWORDS: Control systems, Space operations, Actuators, Interfaces, Sensors, Observatories, Performance modeling, Wavefronts, Coronagraphy, Telescopes

Proceedings Article | 6 July 2018 Paper
Proceedings Volume 10698, 1069840 (2018) https://doi.org/10.1117/12.2311495
KEYWORDS: Wavefronts, Sensors, Metrology, Wavefront sensors, Mirrors, Error analysis, Laser metrology, Image segmentation, Control systems, Monte Carlo methods

Proceedings Article | 27 September 2012 Paper
David Woody, Steve Padin, Eric Chauvin, Bruno Clavel, German Cortes, Andy Kissil, John Lou, Paul Rasmussen, David Redding, Jeff Zolkower
Proceedings Volume 8444, 84442M (2012) https://doi.org/10.1117/12.925229
KEYWORDS: Telescopes, Wavefronts, Sensors, Control systems, Actuators, Distortion, Cameras, Reflectors, Image segmentation, Mirrors

Proceedings Article | 10 November 2011 Paper
Proceedings Volume 8336, 83360Q (2011) https://doi.org/10.1117/12.916694
KEYWORDS: Sensors, Telescopes, Error analysis, Wavefronts, Phase modulation, Actuators, Image segmentation, Mirrors, Motion measurement, Control systems

Proceedings Article | 11 August 2010 Paper
Proceedings Volume 7733, 773326 (2010) https://doi.org/10.1117/12.856493
KEYWORDS: Wavefronts, Image segmentation, Sensors, Wavefront sensors, Error analysis, Mirrors, Control systems, Telescopes, Actuators, Motion models

Proceedings Article | 5 August 2010 Paper
Proceedings Volume 7733, 773329 (2010) https://doi.org/10.1117/12.858097
KEYWORDS: Control systems, Error analysis, Telescopes, Sensors, Wavefronts, Actuators, Optical testing, Monte Carlo methods, Mirrors, Filtering (signal processing)

Proceedings Article | 23 July 2010 Paper
Proceedings Volume 7739, 77392X (2010) https://doi.org/10.1117/12.858980
KEYWORDS: Point spread functions, Phase retrieval, Magnesium, Wavefront sensors, Error analysis, Space telescopes, Spatial frequencies, Image processing, Wavefronts, High dynamic range imaging

Proceedings Article | 20 August 2009 Paper
Proceedings Volume 7440, 74400I (2009) https://doi.org/10.1117/12.824696
KEYWORDS: Point spread functions, Wavefronts, Error analysis, Actuators, Near field optics, Coronagraphy, Control systems, 3D modeling, Apodization, Mirrors

Proceedings Article | 12 July 2008 Paper
Proceedings Volume 7010, 701043 (2008) https://doi.org/10.1117/12.788198
KEYWORDS: Wavefronts, Telescopes, Space telescopes, Phase modulation, Error analysis, Optical alignment, Cameras, Mirrors, Control systems, Filtering (signal processing)

Proceedings Article | 20 October 2005 Paper
Proceedings Volume 5965, 596524 (2005) https://doi.org/10.1117/12.630886
KEYWORDS: Wavefronts, Optical testing, James Webb Space Telescope, Optical alignment, Error analysis, Space telescopes, Phase modulation, Mirrors, Telescopes, Metrology

Proceedings Article | 24 August 2005 Paper
Proceedings Volume 5867, 58670T (2005) https://doi.org/10.1117/12.615383
KEYWORDS: James Webb Space Telescope, Wavefronts, Error analysis, Phase modulation, Optical alignment, Telescopes, Space telescopes, Filtering (signal processing), Monte Carlo methods, Control systems

Proceedings Article | 14 October 2004 Paper
Proceedings Volume 5523, (2004) https://doi.org/10.1117/12.561142
KEYWORDS: Error analysis, James Webb Space Telescope, Wavefronts, Telescopes, Phase modulation, Space telescopes, Optical testing, Interferometers, Actuators, Monte Carlo methods

Proceedings Article | 11 March 1993 Paper
Proceedings Volume 1964, (1993) https://doi.org/10.1117/12.141771
KEYWORDS: Image processing, Evolutionary algorithms, Signal processing, Computer programming, Computing systems, Data processing, Telecommunications, Wavefronts, Data communications, Artificial intelligence

Showing 5 of 17 publications
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