Dr. Philip Dumont Profile

Dr. Philip Dumont

Member of Technical Staff at Jet Propulsion Lab

SPIE Involvement:

Author

Publications (22)

Proceedings Article | 23 August 2024 Poster + Paper

Starshade concepts for the Habitable Worlds Observatory

Stuart Shaklan, Doug Lisman, Dylan McKeithen, Philip Dumont, Rhonda Morgan, Zahra Ahmed, Sara Seager

Proceedings Volume 13092, 130925D (2024) https://doi.org/10.1117/12.3020798

KEYWORDS: Telescopes, Coronagraphy, Stars, Shadows, Observatories, Simulations, Exoplanets

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Proceedings Article | 5 October 2023 Presentation + Paper

A starshade for NASA’s habitable worlds observatory concept: exoplanet characterization in the UV

Stuart Shaklan, Dylan McKeithen, Doug Lisman, Philip Dumont

Proceedings Volume 12680, 1268010 (2023) https://doi.org/10.1117/12.2677793

KEYWORDS: Planets, Ultraviolet radiation, Telescopes, Stars, Calibration, Exoplanets, Coronagraphy, Equipment, Quantum efficiency, Point spread functions

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Proceedings Article | 27 August 2022 Presentation + Paper

Completion of model validation experiments at the Princeton starshade testbed

Stuart Shaklan, Anthony Harness, N. Jeremy Kasdin, Michael Galvin, K. Balasubramanian, Victor White, Karl Yee, Richard Muller, Phillip Willems, Philip Dumont, Simon Vuong, Doug Lisman

Proceedings Volume 12180, 121802O (2022) https://doi.org/10.1117/12.2629445

KEYWORDS: Diffraction, Data modeling, Polarization, Photomasks, Telescopes, Manufacturing, Etching, Optical instrument design, Finite-difference time-domain method, Error analysis

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Proceedings Article | 1 September 2021 Presentation + Paper

Optical experiments and model validation of perturbed starshade designs

Anthony Harness, Stuart Shaklan, Phil Willems, N. Jeremy Kasdin, K. Balasubramanian, Victor White, Karl Yee, Philip Dumont, Rich Muller, Simon Vuong, Michael Galvin

Proceedings Volume 11823, 1182312 (2021) https://doi.org/10.1117/12.2595409

KEYWORDS: Data modeling, Diffraction, Manufacturing, Polarization, Exoplanets, Performance modeling, Optics manufacturing, Near field diffraction

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SPIE Journal Paper | 8 January 2021 Open Access

Optical verification experiments of sub-scale starshades

Anthony Harness, Stuart Shaklan, Phillip Willems, N. Jeremy Kasdin, Bala Balasubramanian, Philip Dumont, Victor White, Karl Yee, Rich Muller, Michael Galvin

JATIS, Vol. 7, Issue 02, 021207, (January 2021) https://doi.org/10.1117/12.10.1117/1.JATIS.7.2.021207

KEYWORDS: Diffraction, Photomasks, Data modeling, Apodization, Polarization, Geometrical optics, Manufacturing, Cameras, Optics manufacturing, Calibration

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Proceedings Article | 13 December 2020 Presentation + Paper

Validation of diffraction models with experimental results from the Princeton starshade testbed

Anthony Harness, Stuart Shaklan, N. Jeremy Kasdin, Phillip Willems, K. Balasubramanian, Philip Dumont, Victor White, Karl Yee, Rich Muller, Simon Vuong, Michael Galvin

Proceedings Volume 11443, 114431R (2020) https://doi.org/10.1117/12.2561048

KEYWORDS: Diffraction, Data modeling, Spectroscopy, Exoplanets, Space operations

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Proceedings Article | 9 September 2019 Presentation + Paper

Demonstration of 1e-10 contrast at the inner working angle of a starshade in broadband light and at a flight-like Fresnel number

Anthony Harness, Stuart Shaklan, N. Jeremy Kasdin, Michael Galvin, Phillip Willems, Kunjithapatham Balasubramanian, Victor White, Karl Yee, Richard Muller, Philip Dumont, Simon Vuong

Proceedings Volume 11117, 111170L (2019) https://doi.org/10.1117/12.2528445

KEYWORDS: Diffraction, Data modeling, Cameras, Polarization, Geometrical optics, Exoplanets, Apodization, Rayleigh scattering, Atmospheric propagation, Laser beam propagation

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Proceedings Article | 24 July 2018 Paper

Modeling non-scalar diffraction in the Princeton starshade testbed

Anthony Harness, Jeremy Kasdin, Stuart Shaklan, Philip Dumont, K. Balasubramanian

Proceedings Volume 10698, 1069865 (2018) https://doi.org/10.1117/12.2310187

KEYWORDS: Diffraction, Photomasks, Data modeling, Polarization, Gold, Silicon, 3D modeling, Apodization, Finite-difference time-domain method, Optics manufacturing

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Proceedings Article | 1 September 2017 Presentation + Paper

Modeling and performance predictions for the Princeton Starshade Testbed

Anthony Harness, Stuart Shaklan, Philip Dumont, Yunjong Kim, N. Jeremy Kasdin

Proceedings Volume 10400, 1040019 (2017) https://doi.org/10.1117/12.2275160

KEYWORDS: Performance modeling, Optics manufacturing, Photomasks, Spectroscopy, Exoplanets, Lithography, Edge roughness, Manufacturing, Wavefronts, Optical fabrication

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Proceedings Article | 15 September 2011 Paper

A starshade petal error budget for exo-earth detection and characterization

Stuart Shaklan, Luis Marchen, P. Douglas Lisman, Eric Cady, Stefan Martin, Mark Thomson, Philip Dumont, N. Jeremy Kasdin

Proceedings Volume 8151, 815113 (2011) https://doi.org/10.1117/12.892834

KEYWORDS: Telescopes, Manufacturing, Tolerancing, Error analysis, Space telescopes, Optics manufacturing, Thermal modeling, Metrology, Planets, Light scattering

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Proceedings Article | 6 August 2010 Paper

Error budgeting and tolerancing of starshades for exoplanet detection

Stuart Shaklan, M. Charley Noecker, Tiffany Glassman, Amy Lo, Philip Dumont, N. Jeremy Kasdin, Eric Cady, Robert Vanderbei, Peter Lawson

Proceedings Volume 7731, 77312G (2010) https://doi.org/10.1117/12.857591

KEYWORDS: Telescopes, Planets, Tolerancing, Manufacturing, Stars, Space telescopes, Signal to noise ratio, Light scattering, Optical instrument design, Exoplanetary science

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Proceedings Article | 20 August 2009 Paper

Occulter design for THEIA

N. Jeremy Kasdin, Eric Cady, Philip Dumont, P. Douglas Lisman, Stuart Shaklan, Remi Soummer, David Spergel, Robert Vanderbei

Proceedings Volume 7440, 744005 (2009) https://doi.org/10.1117/12.826518

KEYWORDS: Planets, Telescopes, Space telescopes, Coronagraphy, Optical instrument design, Exoplanets, Stars, James Webb Space Telescope, Observatories, Apodization

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Proceedings Article | 20 August 2009 Paper

Analysis of external occulters in the presence of defects

Philip Dumont, Stuart Shaklan, Eric Cady, Jeremy Kasdin, Robert Vanderbei

Proceedings Volume 7440, 744008 (2009) https://doi.org/10.1117/12.824633

KEYWORDS: Telescopes, Error analysis, Manufacturing, Planets, Device simulation, Stars, Near field diffraction, Apodization, Point spread functions, Algorithm development

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Proceedings Article | 28 June 2006 Paper

Effects of diffraction and static wavefront errors on high-contrast imaging from the Thirty Meter Telescope

Mitchell Troy, Ian Crossfield, Gary Chanan, Philip Dumont, Joseph Green, Bruce Macintosh

Proceedings Volume 6272, 62722C (2006) https://doi.org/10.1117/12.671667

KEYWORDS: Wavefronts, Adaptive optics, Telescopes, Reflectivity, Mirrors, Diffraction, Image segmentation, Error analysis, Stars, Thirty Meter Telescope

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Proceedings Article | 27 June 2006 Paper

Extreme adaptive optics for the Thirty Meter Telescope

Bruce Macintosh, Mitchell Troy, Rene Doyon, James Graham, Kevin Baker, Brian Bauman, Christian Marois, David Palmer, Donald Phillion, Lisa Poyneer, Ian Crossfield, Philip Dumont, B. Marty Levine, Michael Shao, Gene Serabyn, Chris Shelton, Gautum Vasisht, James Wallace, Jean-Francois Lavigne, Philippe Valee, Neil Rowlands, Ken Tam, Daniel Hackett

Proceedings Volume 6272, 62720N (2006) https://doi.org/10.1117/12.672032

KEYWORDS: Planets, Adaptive optics, Nulling interferometry, Stars, Telescopes, Wavefront sensors, Sensors, Point spread functions, Wavefronts, Thirty Meter Telescope

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Proceedings Article | 27 June 2006 Paper

Post-coronagraph wavefront sensing for the TMT Planet Formation Imager

G. Vasisht, I. Crossfield, P. Dumont, B. Levine, M. Troy, M. Shao, J. Shelton, J. Wallace

Proceedings Volume 6272, 627253 (2006) https://doi.org/10.1117/12.672571

KEYWORDS: Adaptive optics, Signal to noise ratio, Wavefronts, Decision support systems, Sensors, Nulling interferometry, Homodyne detection, Planets, Coronagraphy, Spatial frequencies

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Proceedings Article | 24 August 2005 Paper

Integrated modeling applied to the Terrestrial Planet Finder mission

Andrew Kissil, Eug Kwack, Timothy Ho, Philip Dumont, Sandra Irish, Ichung Weng

Proceedings Volume 5867, 586710 (2005) https://doi.org/10.1117/12.615546

KEYWORDS: Mirrors, Integrated modeling, Chemical elements, Phase modulation, Planets, Thermal modeling, Systems modeling, Finite element methods, Temperature metrology, Data modeling

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Proceedings Article | 26 February 2003 Paper

Far-infrared interferometer technology development: a progress report

Mark Swain, Philip Dumont, Peter Lawson, James Moore, Robert Smythe, Christopher Walker, Christian Drouet d'Aubigny

Proceedings Volume 4852, (2003) https://doi.org/10.1117/12.460733

KEYWORDS: Cryogenics, Interferometers, Ferroelectric materials, Integrated optics, Liquids, Spatial filters, Interferometry, Nitrogen, Eye, Servomechanisms

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Proceedings Article | 26 February 2003 Paper

Laser micromachining of waveguide devices for sub-mm and far-IR interferometry and detector arrays

Christian Drouet d'Aubigny, Christopher Walker, Dathon Golish, Mark Swain, Philip Dumont, Peter Lawson

Proceedings Volume 4852, (2003) https://doi.org/10.1117/12.460865

KEYWORDS: Waveguides, Micromachining, Interferometry, Silicon, Beam splitters, Terahertz radiation, Semiconductor lasers, Chlorine, Computer aided design, Laser interferometry

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Proceedings Article | 5 July 2000 Paper

Least-squares estimation and group delay in astrometric interferometers

Peter Lawson, M. Mark Colavita, Philip Dumont, Benjamin Lane

Proceedings Volume 4006, (2000) https://doi.org/10.1117/12.390232

KEYWORDS: Interferometers, Phase measurement, Stars, Phase shift keying, Signal to noise ratio, Data modeling, Fourier transforms, Laser metrology, Servomechanisms, Spectroscopy

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Proceedings Article | 24 July 1998 Paper

Palomar Testbed Interferometer

J. Kent Wallace, Andrew Boden, M. Mark Colavita, Philip Dumont, Yekta Gursel, Braden Hines, Christopher Koresko, Shrinivas Kulkarni, Benjamin Lane, Fabien Malbet, Dean Palmer, Xiaopei Pan, Michael Shao, Gautam Vasisht, Gerard van Belle, Jeffrey Yu

Proceedings Volume 3350, (1998) https://doi.org/10.1117/12.317154

KEYWORDS: Stars, Mirrors, Interferometers, Telescopes, Beam splitters, Spectroscopy, Calibration, Infrared radiation, Laser metrology, Optical fibers

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