Dr. Charlotte E. Guthery Profile

Dr. Charlotte E. Guthery

at WM Keck Observatory

SPIE Involvement:

Author

Publications (13)

Proceedings Article | 16 December 2024 Paper

Polarization multiplexing techniques in optical testing

Ki-Nam Joo, Hyo Mi Park, Hyo Bin Jeong, Daewook Kim, Charlotte Guthery, Luke Mayer, Young-Sik Kim

Proceedings Volume 13237, 132370A (2024) https://doi.org/10.1117/12.3035192

KEYWORDS: Polarization, Wavefronts, Multiplexing, Interferometry, Shearing interferometers, Optical testing, Cameras, Optical components, Fourier transform interferometers, Motion measurement

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Proceedings Article | 30 September 2024 Presentation + Paper

A hybrid wavefront sensor: combining Shack-Hartmann and pyramid wavefront sensors to enable high dynamic range and sensitivity

Casey Scoggins, Oliver Wu, Charlotte Guthery, Daewook Kim

Proceedings Volume 13134, 131340B (2024) https://doi.org/10.1117/12.3028431

KEYWORDS: Wavefront sensors, Wavefront aberrations, Wavefronts, Wavefront reconstruction, Prototyping, High dynamic range imaging, Wavefront errors, Prisms, Lens arrays, Adaptive optics

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Proceedings Article | 28 August 2024 Poster

Optimizing Keck adaptive optics: correcting residual errors with focal-plane wavefront sensing

Charlotte Guthery, Michael Bottom, Antonin Bouchez, Jacques Delorme, Sonia Karkar, Paul Richards, Peter Wizinowich

Proceedings Volume 13097, 130975Y (2024) https://doi.org/10.1117/12.3020435

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Proceedings Article | 27 August 2024 Presentation + Paper

Reconstruction methods for the phase-shifted Zernike wavefront sensor

Vincent Chambouleyron, Mahawa Cissé, Maïssa Salama, Sebastiaan Haffert, Vincent Déo, Charlotte Guthery, J. Kent Wallace, Daren Dillon, Rebecca Jensen-Clem, Philip Hinz, Bruce Macintosh

Proceedings Volume 13097, 130971N (2024) https://doi.org/10.1117/12.3020670

KEYWORDS: Wavefront sensors, Phase reconstruction, Reconstruction algorithms, Simulations, Wavefronts, Sensors, Wavefront reconstruction, Phase shifts, Adaptive optics, Polarization

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Proceedings Article | 27 August 2024 Poster + Paper

Keck AO high order wavefront sensing and control: opto-mechanical design

Scott Lilley, Peter Wizinowich, Jonathan Steiner, Ed Wetherell, Jim Thorne, Eduardo Marin, Marc Kassis, Charlotte Guthery, Jacques Delorme, Antonin Bouchez, Mitsuko Roberts, Nemanja Jovanovic, Dominic Sanchez, Philip Hinz

Proceedings Volume 13097, 130977B (2024) https://doi.org/10.1117/12.3020355

KEYWORDS: Adaptive optics, Wavefront sensors, Mirrors, Design, Actuators, Optomechanical design, Cameras, Lens arrays, Optical design, Optical alignment

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Proceedings Article | 27 August 2024 Presentation + Paper

Towards understanding interactions between the AO system and segment co-phasing with the vector-Zernike wavefront sensor on Keck

Maïssa Salama, Charlotte Guthery, Vincent Chambouleyron, Rebecca Jensen-Clem, J. Kent Wallace, Mitchell Troy, Jacques-Robert Delorme, Daren Dillon, Daniel Echeverri, Yeyuan (Yinzi) Xin, Wen Hao (Jerry) Xuan, Nemanja Jovanovic, Dimitri Mawet, Peter Wizinowich, Rachel Bowens-Rubin

Proceedings Volume 13097, 130971P (2024) https://doi.org/10.1117/12.3019373

KEYWORDS: Mirrors, Image segmentation, Adaptive optics, Wavefront sensors, Point spread functions, Telescopes, Sensors, Wavefronts

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Proceedings Article | 27 August 2024 Presentation + Paper

Adaptive optics at W. M. Keck Observatory

P. Wizinowich, A. Bouchez, E. Marin, S. Cetre, J. Chin, C. Correia, M. van Dam, J.-R. Delorme, L. Gers, C. Guthery, S. Karkar, S. Kwok, S. Lilley, J. Lyke, P. Richards, M. Service, J. Steiner, A. Surendran, K. Tsubota, E. Wetherell, M. Bottom, R. Dekany, A. Ghez, P. Hinz, M. Liu, J. Lu, R. Jensen-Clem, M. Millar-Blanchaer, E. Peretz, S. Sallum, T. Treu, S. Wright

Proceedings Volume 13097, 130970K (2024) https://doi.org/10.1117/12.3017853

KEYWORDS: Adaptive optics, Wavefront sensors, Telescopes, Wavefront errors, Deformable mirrors, Cameras, Tomography

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Proceedings Article | 14 August 2024 Poster + Paper

Recent upgrades to the Keck Planet Imager and Characterizer

Daniel Echeverri, Nemanja Jovanovic, Jacques-Robert Delorme, Charlotte Guthery, Mitsuko Roberts, Reston Nash, Katelyn Horstman, Jerry Xuan, Yinzi Xin, Luke Finnerty, Chih-Chun Hsu, Garreth Ruane, Stepahnie Leifer, Jake Zimmer, Svarun Soda, Tobias Schofield, J. Kent Wallace, Jason Wang, Dimitri Mawet, Eduardo Marin, Peter Wizinowich, Jinhao Ge, Maodong Gao

Proceedings Volume 13096, 130962D (2024) https://doi.org/10.1117/12.3019085

KEYWORDS: Adaptive optics, Optical switching, K band, Single mode fibers, Prisms, Exoplanets, Nulling interferometry, Astronomical spectroscopy

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Proceedings Article | 5 October 2023 Presentation + Paper

Gemini planet imager 2.0: implementing a Zernike wavefront sensor for non-common path aberrations measurement

V. Chambouleyron, M. Salama, C. Guthery, S. Perera, Q. Konopacky, J.-P. Veran, D. Savransky, J. Chilcote, J. K. Wallace, D. Dillon, R. Jensen-Clem, B. Macintosh

Proceedings Volume 12680, 1268002 (2023) https://doi.org/10.1117/12.2676818

KEYWORDS: Wavefront sensors, Reconstruction algorithms, Gemini Planet Imager, Wavefront aberrations, Phase reconstruction, Wavefronts, Calibration, Pupil aberrations, Gemini Observatory

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Proceedings Article | 20 August 2021 Presentation + Paper

The versatile CubeSat Telescope: going to large apertures in small spacecraft

Jaren N. Ashcraft, Ewan Douglas, Daewook Kim, George Smith, Kerri Cahoy, Tom Connors, Kevin Derby, Victor Gasho, Kerry Gonzales, Charlotte Guthery, Geon Hee Kim, Corwynn Sauve, Paul Serra

Proceedings Volume 11819, 1181904 (2021) https://doi.org/10.1117/12.2594884

KEYWORDS: Mirrors, Telescopes, Finite element methods, Aluminum, Optical components, Space operations, Polarization, Off axis mirrors, Stars

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Proceedings Article | 1 August 2021 Presentation + Paper

Design and calibration of a closed loop tip-tilt control for a pyramid-Shack-Hartmann hybrid wave-front sensor

Madison Jean, Justin Knight, Charlotte Guthery, Michael Hart, Daewook Kim

Proceedings Volume 11836, 118360A (2021) https://doi.org/10.1117/12.2595740

KEYWORDS: Sensors, Calibration, Adaptive optics, Wavefront sensors, Image sensors, Prototyping, Prisms, Relays, Image processing

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Proceedings Article | 11 June 2021 Open Access

Optical front-end for a quantum key distribution cubesat

Paul Serra, Ondrej Čierny, William Kammerer, Ewan Douglas, Dae Wook Kim, Jaren N. Ashcraft, George Smith, Charlotte Guthery, Tom Vergoossen, Alexander Lohrmann, Robert Bedington, Chithrabhanu Perumangatt, Alexander Ling, Kerri Cahoy

Proceedings Volume 11852, 118523C (2021) https://doi.org/10.1117/12.2599542

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Proceedings Article | 13 December 2020 Open Access

Design of the vacuum high contrast imaging testbed for CDEEP, the Coronagraphic Debris and Exoplanet Exploring Pioneer

Erin Maier, Ewan Douglas, Dae Wook Kim, Kate Su, Jaren Ashcraft, James Breckinridge, Heejoo Choi, Elodie Choquet, Thomas Connors, Olivier Durney, Kerry Gonzales, Charlotte Guthery, Christian Haughwout, James Heath, Justin Hyatt, Jennifer Lumbres, Jared Males, Elisabeth Matthews, Kian Milani, Oscar Montoya, Mamadou N'Diaye, Jamison Noenickx, Leonid Pogorelyuk, Garreth Ruane, Glenn Schneider, George Smith, Christopher Stark

Proceedings Volume 11443, 114431Y (2020) https://doi.org/10.1117/12.2560878

KEYWORDS: Coronagraphy, Exoplanets, Deformable mirrors, Microelectromechanical systems, Prototyping, Light scattering, Visible radiation, Wavefronts, Rockets, Telescopes

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