Dr. Shanti R. Rao Profile

Dr. Shanti R. Rao

Senior Engineer/Physicist at Jet Propulsion Lab

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Author

Publications (9)

Proceedings Article | 29 August 2024 Poster + Paper

Optical modeling for the evaluation of HOWFSC on embedded processors

Kian Milani, Ewan Douglas, Leonid Pogorelyuk, Kerri Cahoy, Nicholas Belsten, Brandon Eickert, Christopher Mendillo, Shanti Rao

Proceedings Volume 13097, 130976B (2024) https://doi.org/10.1117/12.3019056

KEYWORDS: Coronagraphy, Telescopes, Actuators, Wave propagation, Point spread functions, Wavefronts, Wavefront errors, Modeling, Surface roughness, Performance modeling

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Proceedings Article | 23 August 2024 Poster + Paper

Evaluating HOWFSC algorithm implementations on embedded space processors

Brandon Eickert, Nicholas Belsten, Kian Milani, Leonid Pogorelyuk, Shanti Rao, Ewan Douglas, Kerri Cahoy

Proceedings Volume 13092, 130926G (2024) https://doi.org/10.1117/12.3019146

KEYWORDS: Modeling, Telescopes, Design, Matrices, James Webb Space Telescope, Electric fields, Computer programming, Mathematical optimization, Interfaces

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Proceedings Article | 5 October 2023 Presentation + Paper

Evaluating embedded hardware for high-order wavefront sensing and control

Nicholas Belsten, Kian Milani, Leonid Pogorelyuk, Brandon Eickert, Shanti Rao, Ewan Douglas, Kerri Cahoy

Proceedings Volume 12680, 126801N (2023) https://doi.org/10.1117/12.2677816

KEYWORDS: Matrices, Telescopes, Design and modelling, Evolutionary algorithms, Field programmable gate arrays, Coronagraphy, Computing systems, Exoplanets, Space telescopes, Image processing

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Proceedings Article | 5 September 2017 Presentation + Paper

Laser metrology for ultra-stable space-based coronagraphs

Joel Nissen, Alireza Azizi, Feng Zhao, Shannon Kian Zareh, Shanti Rao, Jeffrey Jewell, Dustin Moore

Proceedings Volume 10398, 103980I (2017) https://doi.org/10.1117/12.2274704

KEYWORDS: Space telescopes, Laser metrology, Active optics, Wavefronts, Telescopes, Optical alignment, Optical sensing, Wavefront sensors

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Proceedings Article | 21 September 2012 Paper

PICTURE: a sounding rocket experiment for direct imaging of an extrasolar planetary environment

Christopher Mendillo, Brian Hicks, Timothy Cook, Thomas Bifano, David Content, Benjamin Lane, B. Martin Levine, Douglas Rabin, Shanti Rao, Rocco Samuele, Edouard Schmidtlin, Michael Shao, J. Kent Wallace, Supriya Chakrabarti

Proceedings Volume 8442, 84420E (2012) https://doi.org/10.1117/12.926408

KEYWORDS: Telescopes, Nulling interferometry, Mirrors, Calibration, Cameras, Space telescopes, National Ignition Facility, Interferometers, Rockets, Ferroelectric materials

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Proceedings Article | 27 September 2011 Paper

Phase-shifting Zernike interferometer wavefront sensor

J. Kent Wallace, Shanti Rao, Rebecca Jensen-Clem, Gene Serabyn

Proceedings Volume 8126, 81260F (2011) https://doi.org/10.1117/12.892843

KEYWORDS: Phase shifts, Point spread functions, Wavefront sensors, Spatial frequencies, Capillaries, Mirrors, Sensors, Error analysis, Fourier transforms, Ferroelectric materials

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Proceedings Article | 8 February 2008 Paper

Path length control in a nulling coronagraph with a MEMS deformable mirror and a calibration interferometer

Shanti Rao, J. Kent Wallace, Rocco Samuele, Supriya Chakrabarti, Timothy Cook, Brian Hicks, Paul Jung, Benjamin Lane, B. Martin Levine, Chris Mendillo, Edouard Schmidtlin, Mike Shao, Jason Stewart

Proceedings Volume 6888, 68880B (2008) https://doi.org/10.1117/12.763652

KEYWORDS: Nulling interferometry, Calibration, Targeting Task Performance metric, Interferometers, Mirrors, Actuators, Coronagraphy, Deformable mirrors, Cameras, Microelectromechanical systems

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Proceedings Article | 28 June 2006 Paper

A laboratory experiment for demonstrating post-coronagraph wavefront sensing and control for extreme adaptive optics

J. Kent Wallace, Randall Bartos, Shanti Rao, Rocco Samuele, Edouard Schmidtlin

Proceedings Volume 6272, 62722L (2006) https://doi.org/10.1117/12.672516

KEYWORDS: Calibration, Coronagraphy, Wavefronts, Beam splitters, Nulling interferometry, Gemini Planet Imager, Mirrors, Adaptive optics, Interferometers, Wavefront sensors

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Proceedings Article | 14 June 2006 Paper

The visible nulling coronagraph: architecture definition and technology development status

B. Levine, Francisco Aguayo, Thomas Bifano, S. Fregoso, Joseph Green, Benjamin Lane, Duncan Liu, Bertrand Mennesson, Shanti Rao, Rocco Samuele, Michael Shao, Edouard Schmidtlin, Eugene Serabyn, Jason Stewart, J. Wallace

Proceedings Volume 6265, 62651A (2006) https://doi.org/10.1117/12.672736

KEYWORDS: Mirrors, Actuators, Prisms, Interferometers, Coronagraphy, Planets, Nulling interferometry, Telescopes, Deformable mirrors, Wavefronts

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Showing 5 of 9 publications

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