Mr. Paul N. Stewart Profile

Paul N. Stewart

Data Science Team Lead at Science [&] Technology Corp.

SPIE Involvement:

Author

Publications (10)

Proceedings Article | 2 August 2014 Paper

Advances in stellar imaging with occultations from the CASSINI spacecraft

Paul Stewart, Peter Tuthill, Phillip Nicholson, Matthew Hedman, James Lloyd

Proceedings Volume 9143, 91431G (2014) https://doi.org/10.1117/12.2055631

KEYWORDS: Stars, Space operations, Data modeling, Tomography, Reconstruction algorithms, Saturn, Signal to noise ratio, Image resolution, Atmospheric modeling, Spectrographs

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Proceedings Article | 24 July 2014 Paper

High performance 3D waveguide architecture for astronomical pupil-remapping interferometry

Simon Gross, Barnaby Norris, Nick Cvetojevic, Nemanja Jovanovic, Alexander Arriola Martiarena, Paul Stewart, Jon Lawrence, Michael Withford, Peter Tuthill

Proceedings Volume 9146, 91461B (2014) https://doi.org/10.1117/12.2057282

KEYWORDS: Waveguides, Planets, Astronomy, Photonics, Interferometry, Glasses, Stars, Microelectromechanical systems, Single mode fibers, Adaptive optics

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Proceedings Article | 24 July 2014 Paper

VAMPIRES: probing the innermost regions of protoplanetary systems with polarimetric aperture-masking

Barnaby R. M. Norris, Peter Tuthill, Nemanja Jovanovic, Guillaume Schworer, Olivier Guyon, Frantz Martinache, Paul Stewart

Proceedings Volume 9146, 91460U (2014) https://doi.org/10.1117/12.2055640

KEYWORDS: Calibration, Polarization, Visibility, Polarimetry, Prisms, Telescopes, Imaging systems, Stars, Coronagraphy, Interferometry

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Proceedings Article | 8 July 2014 Paper

Development and recent results from the Subaru coronagraphic extreme adaptive optics system

N. Jovanovic, O. Guyon, F. Martinache, C. Clergeon, G. Singh, T. Kudo, K. Newman, J. Kuhn, E. Serabyn, B. Norris, P. Tuthill, P. Stewart, E. Huby, G. Perrin, S. Lacour, S. Vievard, N. Murakami, O. Fumika, Y. Minowa, Y. Hayano, J. White, O. Lai, F. Marchis, G. Duchene, T. Kotani, J. Woillez

Proceedings Volume 9147, 91471Q (2014) https://doi.org/10.1117/12.2057249

KEYWORDS: Wavefront sensors, Point spread functions, Coronagraphy, Adaptive optics, Wavefronts, Speckle, Cameras, Deformable mirrors, Sensors, Imaging systems

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Proceedings Article | 12 September 2012 Paper

Progress and challenges with the Dragonfly instrument; an integrated photonic pupil-remapping interferometer

Nemanja Jovanovic, Peter Tuthill, Barnaby Norris, Simon Gross, Paul Stewart, Ned Charles, Sylvestre Lacour, Jon Lawrence, Gordon Robertson, Alexander Fuerbach, Michael Withford

Proceedings Volume 8445, 844505 (2012) https://doi.org/10.1117/12.926012

KEYWORDS: Waveguides, Fringe analysis, Telescopes, Microelectromechanical systems, Prototyping, Interferometers, Astronomy, Mirrors, Interferometry, Integrated photonics

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Proceedings Article | 12 September 2012 Paper

Probing dusty circumstellar environments with polarimetric aperture-masking interferometry

Barnaby Norris, Peter Tuthill, Michael Ireland, Sylvestre Lacour, Albert Zijlstra, Foteini Lykou, Thomas Evans, Paul Stewart, Timothy Bedding, Olivier Guyon, Frantz Martinache

Proceedings Volume 8445, 844503 (2012) https://doi.org/10.1117/12.925838

KEYWORDS: Stars, Polarimetry, Polarization, Visibility, Interferometry, Calibration, Telescopes, Spatial resolution, Planets, Scattering

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Proceedings Article | 15 September 2011 Paper

The Subaru coronagraphic extreme AO (SCExAO) system: fast visible imager

Vincent Garrel, Olivier Guyon, Pierre Baudoz, Frantz Martinache, Paul Stewart, Julien Lozi, Tyler Groff

Proceedings Volume 8151, 81510R (2011) https://doi.org/10.1117/12.894309

KEYWORDS: Imaging systems, Adaptive optics, Cameras, Coronagraphy, Telescopes, Spatial frequencies, Visible radiation, Diffraction, Infrared radiation, Image processing

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Proceedings Article | 15 September 2011 Paper

The Subaru coronagraphic extreme AO project: progress report

Frantz Martinache, Olivier Guyon, Vincent Garrel, Christophe Clergeon, Tyler Groff, Paul Stewart, Robert Russell, Celia Blain

Proceedings Volume 8151, 81510Q (2011) https://doi.org/10.1117/12.894310

KEYWORDS: Coronagraphy, Adaptive optics, Wavefronts, Telescopes, Calibration, Imaging systems, Wavefront sensors, Diffraction, Cameras, Control systems

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Proceedings Article | 22 July 2010 Paper

Photonic technologies for a pupil remapping interferometer

Peter Tuthill, Nemanja Jovanovic, Sylvestre Lacour, Andrew Lehmann, Martin Ams, Graham Marshall, Jon Lawrence, Michael Withford, Gordon Robertson, Michael Ireland, Benjamin Pope, Paul Stewart

Proceedings Volume 7734, 77341P (2010) https://doi.org/10.1117/12.856770

KEYWORDS: Waveguides, Interferometers, Telescopes, Spatial filters, Adaptive optics, Signal to noise ratio, Single mode fibers, Interferometry, Space telescopes, Prototyping

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Proceedings Article | 15 July 2010 Paper

Sparse aperture masking (SAM) at NAOS/CONICA on the VLT

Peter Tuthill, Sylvestre Lacour, Paola Amico, Michael Ireland, Barnaby Norris, Paul Stewart, Tom Evans, Adam Kraus, Christopher Lidman, Emanuela Pompei, Nicholas Kornweibel

Proceedings Volume 7735, 77351O (2010) https://doi.org/10.1117/12.856806

KEYWORDS: Adaptive optics, Interferometry, Cameras, Stars, Telescopes, Polarimetry, Calibration, Signal to noise ratio, Polarization, Astronomy

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Showing 5 of 10 publications

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