Prof. Rebecca M. Jensen-Clem Profile

Prof. Rebecca M. Jensen-Clem

Assistant Professor at Univ of California Santa Cruz

SPIE Involvement:

Author

Publications (53)

Proceedings Article | 23 September 2024 Poster + Paper

Poster + Paper

Real-time control and data standardization on various telescopes and benches

Nour Skaf, Rebecca Jensen-Clem, Aaron Hunter, Olivier Guyon, Vincent Deo, Phil Hinz, Sylvain Cetre, Vincent Chambouleyron, J. Fowler, Aditya Sengupta, Maissa Salama, Jared Males, Eden McEwen, Ewan Douglas, Kyle Van Gorkom, Emiel Por, Miles Lucas, Florian Ferreira, Arnaud Sevin, Rachel Bowens-Rubin, Jesse Cranney, Ben Calvin

Proceedings Volume 13097, 130974N (2024) https://doi.org/10.1117/12.3020595

KEYWORDS: Real-time computing, Adaptive optics, Wavefront sensors, Telescopes, Equipment, Control systems, Matrices, Wavefronts, Cameras, Computer hardware

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Proceedings Article | 29 August 2024 Presentation + Paper

Presentation + Paper

Photonic lantern wavefront reconstruction in a multi-wavefront sensor single-conjugate adaptive optics system

Aditya Sengupta, Jordan Diaz, Benjamin Gerard, Rebecca Jensen-Clem, Daren Dillon, Matthew DeMartino, Kevin Bundy, Sylvain Cetre, Vincent Chambouleyron

Proceedings Volume 13097, 130971J (2024) https://doi.org/10.1117/12.3017873

KEYWORDS: Adaptive optics, Wavefront sensors, Reconstruction algorithms, Wavefront reconstruction, Astrophotonics

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Proceedings Article | 28 August 2024 Poster + Paper

Poster + Paper

Laboratory demonstration of an all-fiber-based focal plane nulling interferometer

Jordan Diaz, Rebecca Jensen-Clem, Daren Dillon, Philip Hinz, Matthew DeMartino, Kevin Bundy, Stephen Eikenberry, Peter Delfyett, Rodrigo Amezcua-Correa

Proceedings Volume 13095, 130952N (2024) https://doi.org/10.1117/12.3019617

KEYWORDS: Interferometers, Phase shifts, Nulling interferometry, Visibility, Telescopes, Phase modulation, Optical fibers, Stars, Astrophotonics, Astronomical instrumentation

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Proceedings Article | 28 August 2024 Poster

Poster

Simultaneous segmented primary mirror phasing and low order wavefront sensing in a cascaded adaptive optics system

Benjamin Calvin, Michael Fitzgerald, Rebecca Jensen-Clem, Maissa Salama, Vincent Chambouleyron, Daren Dillon

Proceedings Volume 13097, 130974S (2024) https://doi.org/10.1117/12.3019699

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Proceedings Article | 28 August 2024 Poster

Poster

The CACAO real-time computer for adaptive optics: updates, performance, and development plans

Vincent Deo, Olivier Guyon, Jared Males, Kyohoon Ahn, Brian Carcich, Sylvain Cetre, Florian Ferreira, Damien Gratadour, Janis Hagelberg, Rebecca Jensen-Clem, Joseph Long, Julien Lozi, Miles Lucas, Katie Morzinski, Bartomeu Pou Mulet, Sanford Selznik, Arnaud Sevin, Nour Skaf, Sébastien Vievard

Proceedings Volume 13097, 130974O (2024) https://doi.org/10.1117/12.3020601

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Proceedings Article | 28 August 2024 Poster

Poster

Congratulations, it's twins: a digital twin for your high-contrast instrument? Part 2

Sebastiaan Haffert, Vincent Chambouleyron, Vincent Deo, Jared Males, Olivier Guyon, Rebecca Jensen-Clem, Bruce Macintosh

Proceedings Volume 13097, 130976O (2024) https://doi.org/10.1117/12.3020817

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Proceedings Article | 27 August 2024 Presentation + Paper

Presentation + Paper

CAL2: project update of the NRC Canada facility-class focal plane wavefront sensor for the Gemini Planet Imager 2 upgrade

Christian Marois, Olivier Lardière, Joeleff Fitzsimmons, Mathieu Demers, Adam Johnson, Saugata Dutt, Patrick Nkwari, Benjamin Gerard, Jennifer Dunn, Duan Li, Qiang Fu, Denis Brousseau, Suresh Sivanandam, William Thompson, Christopher Mann, Garima Singh, Marc-André Boucher, Tim Hardy, Krzysztof Caputa, Simon Thibault, Dmitry Savransky, Wolfgang Heidrich, Maaike van Kooten, Jean-Pierre Véran, Rebecca Jensen-Clem, Darryl Gamroth, Colin Bradley, Sanjana Rawat, Öykü Galvan, Glen Herriot, Jean-Thomas Landry

Proceedings Volume 13097, 1309708 (2024) https://doi.org/10.1117/12.3020617

KEYWORDS: Equipment, Wavefront sensors, Speckle, Gemini Planet Imager, Stars, Exoplanets, Adaptive optics, Iterated function systems, Calibration, Point spread functions

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Proceedings Article | 27 August 2024 Presentation + Paper

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 Presentation + Paper

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 Poster + Paper

Poster + Paper

Implementation and characterization of the vector vortex coronagraph on the SEAL testbed

Ashai Moreno, Vincent Chambouleyron, Rebecca Jensen-Clem, Daren Dillon, Phil Hinz, Bruce Macintosh

Proceedings Volume 13097, 1309746 (2024) https://doi.org/10.1117/12.3020445

KEYWORDS: Coronagraphy, Point spread functions, Simulations, Wavefront sensors, Signal detection, Image segmentation, Wavefronts, Adaptive optics, Optical benches

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Proceedings Article | 27 August 2024 Poster + Paper

Poster + Paper

The future looks dark: improving high contrast imaging with hyper-parameter optimization for data-driven predictive wavefront control

J. Fowler, Rebecca Jensen-Clem, Maaike A. van Kooten, Vincent Chambouleyron, Sylvain Cetre

Proceedings Volume 13097, 130977N (2024) https://doi.org/10.1117/12.3017323

KEYWORDS: Tunable filters, Algorithms, Matrices, Wavefronts, Wavefront errors, Wavefront sensors, Atmospheres, Linear filtering, Coronagraphy

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Proceedings Article | 27 August 2024 Presentation + Paper

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 | 18 July 2024 Presentation + Paper

Presentation + Paper

SCALES status report

R. Deno Stelter, Andrew Skemer, Stephanie Sallum, Nick MacDonald, Renate Kupke, Christopher Ratliff, Cyril Bourgenot, Gerald Cabak, Michael Gonzales, Cristian Rodriguez, Aaron Hunter, Ravinder Banyal, Thirupathi Sivarani, Michael Fitzgerald, Marc Kassis, Olivier Absil, Carlos Alvarez, Natatsha Batalha, Marc-André Boucher, Timothy Brandt, Zack Briesemeister, Katherine de Kleer, Imke de Pater, William Deich, Devika Dicakar, Étienne Gauvin, Thomas Greene, Armirul Hasan, Philip Hinz, Rebecca Jensen-Clem, Christopher Johnson, Govinda K. V., Isabel Kain, Mackenzie Lach, Jean-Thomas Landry, Michael Liu, Jim Lyke, Kenneth Magone, Eduardo Marin, Raquel Martinez, Dimitri Mawet, Rosalie McGurk, Brittany Miles, Ajin Parkash, Dale Sandford, Ramya Sethuram, Patrick Sheehan, Ji Man Sohn, Jordan Stone, Arun Surya, Hari Varshney, Eric Wang

Proceedings Volume 13096, 1309619 (2024) https://doi.org/10.1117/12.3020806

KEYWORDS: Mirrors, Cryostats, Coronagraphy, Spectrographs, Telescopes, Imaging systems, Exoplanets

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Proceedings Article | 18 July 2024 Poster + Paper

Poster + Paper

Photonic lantern testing on Lick Observatory’s 3m Shane Telescope

Matthew DeMartino, Kevin Bundy, Stephen Eikenberry, Rodrigo Amezcua-Correa, Stephanos Yerolatsitis, Sergio Leon-Saval, Jordan Diaz, Aditya Sengupta, Rebecca Jensen-Clem, Phil Hinz

Proceedings Volume 13096, 13096A1 (2024) https://doi.org/10.1117/12.3020309

KEYWORDS: Astrophotonics, Telescopes, Single mode fibers, Adaptive optics, Point spread functions, Observatories, Cameras, Beam splitters, Quantum light, Equipment

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Proceedings Article | 18 July 2024 Presentation + Paper

Presentation + Paper

ORCAS Keck mission and instrument development

Eliad Peretz, Peter Wizinowich, Eduardo Marin, Richard Butler, Bert Pasquale, Maxwell Millar-Blanchaer, Scott Lilley, Luke Gers, Shui Hung Kwok, Jason Chin, Sam Ragland, Ed Wetherell, Brett Smith, John O'Meara, Marc Kassis, Greg Aldering, Susana Deustua, Rogier Windhorst, Christian Marois, Saul Perlmutter, Sara Seager, Breann Sitarski, Guillaume Filion, Jean Thomas Landry, Étienne Gauvin, J. Fowler, Rebecca Jensen-Clem, Eric Nielsen, Imke de Pater, Peter Plavchan, Steph Sallum, Shobita Satyapal, John Mather, Peter Kurczynski, Kayla Carmical, Jack Grossman, Andrew Lewis, Maya Wertheim, Vivian Palmer, Keshet Shavit, Kevin Hall

Proceedings Volume 13096, 130960M (2024) https://doi.org/10.1117/12.3018920

KEYWORDS: Adaptive optics, Stars, Telescopes, Image segmentation, Equipment, Asteroids, Calibration, Space operations, Exoplanets, Spatial resolution

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Proceedings Article | 5 October 2023 Presentation + Paper

Presentation + Paper

The slicer combined with array of lenslets for exoplanet spectroscopy (SCALES): driving science cases and expected outcomes

Steph Sallum, Andrew Skemer, Deno Stelter, Ravinder Banyal, Natalie Batalha, Natasha Batalha, Geoff Blake, Tim Brandt, Zack Briesemeister, Katherine de Kleer, Imke de Pater, Aditi Desai, Josh Eisner, Wen-fai Fong, Tom Greene, Mitsuhiko Honda, Rebecca Jensen-Clem, Isabel Kain, Charlie Kilpatrick, Renate Kupke, Mackenzie Lach, Michael Liu, Bruce Macintosh, Raquel Martinez, Dimitri Mawet, Brittany Miles, Caroline Morley, Diana Powell, Ramya Sethuram, Patrick Sheehan, Justin Spilker, Jordan Stone, Arun Surya, Sivarani Thirupathi, Athira Unni, Kevin Wagner, Yifan Zhou

Proceedings Volume 12680, 1268003 (2023) https://doi.org/10.1117/12.2677831

KEYWORDS: Planets, Simulations, Exoplanets, Equipment, Spectroscopes, Spectrographs, Solar system, Lens arrays, Keck Observatory, Galactic astronomy

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Proceedings Article | 5 October 2023 Presentation + Paper

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 | 5 October 2023 Poster + Paper

Poster + Paper

Deformable mirror-based pupil chopping for exoplanet imaging and adaptive optics

Javier Perez Soto, Cesar Laguna, Benjamin Gerard, Anne Dattilo, Vincent Chambouleyron, Rebecca Jensen-Clem

Proceedings Volume 12680, 126801P (2023) https://doi.org/10.1117/12.2676556

KEYWORDS: Coronagraphy, Adaptive optics, Wavefront sensors, Simulations, Wavefront aberrations, Point spread functions, Exoplanets, Wavefronts, Wavefront errors, Pupil aberrations

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Proceedings Article | 5 October 2023 Poster + Paper

Poster + Paper

First laboratory demonstration of real-time multi-wavefront sensor single conjugate adaptive optics

Benjamin Gerard, Daren Dillon, Sylvain Cetre, Rebecca Jensen-Clem

Proceedings Volume 12680, 126801Q (2023) https://doi.org/10.1117/12.2676559

KEYWORDS: Adaptive optics, Wavefront sensors, Exoplanets

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Proceedings Article | 5 October 2023 Poster + Paper

Poster + Paper

SHIMM as an atmospheric profiler on the Nickel telescope

Ollie Jackson, Maaike A. M. van Kooten, Saavidra Perera, Rebecca Jensen-Clem, Phil Hinz

Proceedings Volume 12680, 126801V (2023) https://doi.org/10.1117/12.2677510

KEYWORDS: Telescopes, Nickel, Stars, Cameras, Adaptive optics, Lens arrays, Device simulation, Wavefronts, Computer simulations, Equipment

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Proceedings Article | 30 August 2022 Presentation + Paper

Presentation + Paper

Residual wavefront control of segmented mirror telescopes

Sam Ragland, Peter Wizinowich, Maaike van Kooten, Michael Bottom, Ben Calvin, Michael Fitzgerald, Philip Hinz, Rebecca Jensen-Clem, Dimitri Mawet, Eliad Peretz

Proceedings Volume 12185, 121850Y (2022) https://doi.org/10.1117/12.2630269

KEYWORDS: Adaptive optics, Telescopes, Wavefronts, Calibration, Sensors, Monochromatic aberrations, Wavefront sensors, Mirrors, Image segmentation, Actuators

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Proceedings Article | 30 August 2022 Poster + Paper

Poster + Paper

Battle of the predictive wavefront controls: comparing data and model-driven predictive control for high contrast imaging

J. Fowler, M. A. Van Kooten, R. Jensen-Clem

Proceedings Volume 12185, 1218582 (2022) https://doi.org/10.1117/12.2629521

KEYWORDS: Control systems, Wavefronts, Wavefront sensors, Turbulence, Adaptive optics, Telescopes, Data modeling, Filtering (signal processing), Deformable mirrors, Device simulation

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Proceedings Article | 30 August 2022 Presentation + Paper

Presentation + Paper

Deployment of focal plane WFS technologies on 8-m telescopes: from the Subaru SPIDERS pathfinder, to the facility-class GPI 2.0 CAL2 system

Christian Marois, Olivier Lardière, William Thompson, Garima Singh, Adam Johnson, Tim Hardy, Joeleff Fitzsimmons, Benjamin Gerard, Suresh Sivanandam, Simon Thibault, Dmitry Savransky, Colin Bradley, Rebecca Jensen-Clem, Mathieu Demers, Qiang Fu, Wolfgang Heidrich, Mamadou N'Diaye

Proceedings Volume 12185, 121851Y (2022) https://doi.org/10.1117/12.2630564

KEYWORDS: Telescopes, Exoplanets, Wavefront sensors, Stars, Wavefronts, Gemini Planet Imager, Speckle, Imaging systems, Cameras, Adaptive optics

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Proceedings Article | 30 August 2022 Poster + Paper

Poster + Paper

Laboratory demonstration of optimal identification and control of tip-tilt systems

Aditya Sengupta, Benjamin Gerard, Daren Dillon, Maaike van Kooten, Donald Gavel, Rebecca Jensen-Clem

Proceedings Volume 12185, 1218578 (2022) https://doi.org/10.1117/12.2630765

KEYWORDS: Control systems, Adaptive optics, Atmospheric modeling, Exoplanets

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Proceedings Article | 30 August 2022 Poster + Paper

Poster + Paper

Vector Zernike wavefront sensor on the Santa Cruz Extreme AO Lab (SEAL) testbed

Maïssa Salama, Rebecca Jensen-Clem, Maaike van Kooten, Daren Dillon, Benjamin Gerard, Jules Fowler, Sylvain Cetre, Frans Snik, David Doelman

Proceedings Volume 12185, 121858M (2022) https://doi.org/10.1117/12.2630026

KEYWORDS: Image segmentation, Wavefront sensors, Adaptive optics, Point spread functions, Mirrors, Polarization, Telescopes, Liquid crystals, Wavefronts, Spatial light modulators

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Proceedings Article | 30 August 2022 Presentation + Paper

Presentation + Paper

Various wavefront sensing and control developments on the Santa Cruz Extreme AO Laboratory (SEAL) testbed

Benjamin Gerard, Javier Perez-Soto, Vincent Chambouleyron, Maaike A. van Kooten, Daren Dillon, Sylvain Cetre, Rebecca Jensen-Clem, Qiang Fu, Hadi Amata, Wolfgang Heidrich

Proceedings Volume 12185, 121852H (2022) https://doi.org/10.1117/12.2630519

KEYWORDS: Adaptive optics, Wavefront sensors, Point spread functions, Wavefronts, Imaging systems, Optical choppers

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Proceedings Article | 30 August 2022 Poster + Paper

Poster + Paper

Connecting the astronomical testbed community - the CAOTIC project: optimized teaching methods for software version control concepts

Iva Laginja, Pablo Robles, Kevin Barjot, Lucie Leboulleux, Rebecca Jensen-Clem, Keira Brooks, Christopher Moriarty

Proceedings Volume 12185, 121853A (2022) https://doi.org/10.1117/12.2629483

KEYWORDS: Astronomy, Software development, Adaptive optics, Computer programming, Astronomical instrumentation, Control systems, Computer programming languages, Wavefront sensors, Software engineering, Imaging systems

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Proceedings Article | 30 August 2022 Presentation + Paper

Presentation + Paper

A technology and science gap list for habitable-zone exoplanet imaging with ground-based extremely large telescopes

Rebecca Jensen-Clem, Phil Hinz, Andy Skemer, Peter Wizinowich, Nemanja Jovanovic, Benjamin Mazin, John Bailey, Richard Frazin, Steph Sallum, Jared Males, Motohide Tamura

Proceedings Volume 12185, 1218503 (2022) https://doi.org/10.1117/12.2630547

KEYWORDS: Planets, Stars, Exoplanets, Coronagraphy, Telescopes, James Webb Space Telescope, Atmospheric sciences, Atmospheric modeling, Large telescopes, Thirty Meter Telescope

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Proceedings Article | 30 August 2022 Poster + Paper

Poster + Paper

An updated preliminary optical design and performance analysis of the Planetary Systems Imager adaptive optics system

Rebecca Jensen-Clem, Philip Hinz, M. A. van Kooten, Michael Fitzgerald, Steph Sallum, Benjamin Mazin, Mark Chun, Maxwell Millar-Blanchaer, Andy Skemer, Ji Wang, R. Deno Stelter, Olivier Guyon

Proceedings Volume 12185, 1218546 (2022) https://doi.org/10.1117/12.2630526

KEYWORDS: Adaptive optics, Actuators, Wavefronts, Imaging systems, Optical design, Coronagraphy, Wavefront sensors, Planetary systems, Atmospheric propagation, Wave propagation

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Proceedings Article | 30 August 2022 Poster + Paper

Poster + Paper

Spatial light modulator on Santa Cruz Extreme AO Laboratory (SEAL) testbed

Maaike A. van Kooten, Rebecca Jensen-Clem, J. Fowler, Daren Dillon, Renate Kupke, Maïssa Salama, Benjamin Gerard

Proceedings Volume 12185, 121856V (2022) https://doi.org/10.1117/12.2630265

KEYWORDS: Spatial light modulators, Turbulence, Adaptive optics

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Proceedings Article | 30 August 2022 Poster + Paper

Poster + Paper

The use of spatial-temporal correlations to identify dynamic environmental changes affecting adaptive optics system performance

Benjamin Calvin, Michael Fitzgerald, Maaike A. van Kooten, Jules Fowler, Rebecca Jensen-Clem, Benjamin Gerard, Sam Ragland

Proceedings Volume 12185, 1218583 (2022) https://doi.org/10.1117/12.2630224

KEYWORDS: Adaptive optics, Actuators, Atmospheric monitoring, Wavefronts, Turbulence, Computer simulations, Diagnostics, Atmospheric modeling, Wavefront sensors

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Proceedings Article | 29 August 2022 Poster + Paper

Poster + Paper

An astrophotonics platform for Lick Observatory: testing adaptive mode extraction with photonic lanterns

Matthew C. DeMartino, Kevin Bundy, Holger Schmidt, Renate Kupke, Nick MacDonald, Elinor Gates, Jon Rees, Paul Lynam, Phil Hinz, Rebecca Jensen-Clem, Md Nafiz Amin, Zoe Weber

Proceedings Volume 12188, 1218838 (2022) https://doi.org/10.1117/12.2630591

KEYWORDS: Adaptive optics, Single mode fibers, Telescopes, Cameras, Observatories, Spectrometers, Astrophotonics, Point spread functions, Spectroscopy, Photonic devices

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Proceedings Article | 29 August 2022 Presentation + Paper

Presentation + Paper

Design of SCALES: a 2-5 micron coronagraphic integral field spectrograph for Keck Observatory

Andrew Skemer, R. Deno Stelter, Stephanie Sallum, Nicholas MacDonald, Renate Kupke, Christopher Ratliff, Ravinder Banyal, Amirul Hasan, Hari Mohan Varshney, Arun Surya, Ajin Prakaesh, Sivarani Thirupathi, Ramya Sethuram, Govinda K.V., Michael Fitzgerald, Eric Wang, Marc Kassis, Olivier Absil, Carlos Alvarez, Natasha Batalha, Marc-André Boucher, Cyril Bourgenot, Timothy Brandt, Zackery Briesemeister, Katherine de Kleer, Imke de Pater, William Deich, Devika Divakar, Guillaume Filion, Étienne Gauvin, Michael Gonzales, Thomas Greene, Philip Hinz, Rebecca Jensen-Clem, Christopher Johnson, Isabel Kain, Gabriel Kruglikov, Mackenzie Lach, Jean-Thomas Landry, Jialin Li, Michael Liu, James Lyke, Kenneth Magnone, Eduardo Marin, Emily Martin, Raquel Martinez, Dimitri Mawet, Brittany Miles, Dale Sandford, Patrick Sheehan, Ji Man Sohn, Jordan Stone

Proceedings Volume 12184, 121840I (2022) https://doi.org/10.1117/12.2630577

KEYWORDS: Exoplanets, Spectrographs, Planets, Sensors, Coronagraphy, Imaging systems, Adaptive optics, Mirrors, Spectroscopy

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Proceedings Article | 29 August 2022 Presentation + Paper

Presentation + Paper

The Planetary Systems Imager for TMT: overview and status

Michael Fitzgerald, Steph Sallum, Maxwell Millar-Blanchaer, Rebecca Jensen-Clem, Philip Hinz, Olivier Guyon, Jason Wang, Benjamin Mazin, Andrew Skemer, Mark Chun, Jared Males, Christian Marois, Garima Singh, Claire Max

Proceedings Volume 12184, 1218426 (2022) https://doi.org/10.1117/12.2630410

KEYWORDS: Adaptive optics, Planets, Wavefront sensors, Imaging spectroscopy, Exoplanets

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Proceedings Article | 29 August 2022 Poster + Paper

Poster + Paper

The Planetary Systems Imager for TMT: driving science cases and top level requirements

Stephanie Sallum, Max Millar-Blanchaer, Natasha Batalha, Jason Wang, Raquel Martinez, Michael Fitzgerald, Andy Skemer, Rebecca Jensen-Clem, Benjamin Mazin, Mark Chun, Olivier Guyon, Phil Hinz, Jared Males, Claire Max

Proceedings Volume 12184, 1218446 (2022) https://doi.org/10.1117/12.2630423

KEYWORDS: Planets, Stars, Exoplanets, Adaptive optics, Solar system, Atmospheric sciences, Planetary systems, Imaging systems

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SPIE Journal Paper | 4 July 2022 Open Access

Open Access

Laboratory demonstration of real-time focal plane wavefront control of residual atmospheric speckles

Benjamin Gerard, Daren Dillon, Sylvain Cetre, Rebecca Jensen-Clem

JATIS, Vol. 8, Issue 03, 039001, (July 2022) https://doi.org/10.1117/12.10.1117/1.JATIS.8.3.039001

KEYWORDS: Wavefronts, Coronagraphy, Adaptive optics, Microelectromechanical systems, Spatial frequencies, Speckle, Planets, Stars, Point spread functions, Exoplanets

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SPIE Journal Paper | 6 June 2022 Open Access

Open Access

Predictive wavefront control on Keck II adaptive optics bench: on-sky coronagraphic results

Maaike A. van Kooten, Rebecca Jensen-Clem, Sylvain Cetre, Sam Ragland, Charlotte Bond, J. Fowler, Peter Wizinowich

JATIS, Vol. 8, Issue 02, 029006, (June 2022) https://doi.org/10.1117/12.10.1117/1.JATIS.8.2.029006

KEYWORDS: Wavefronts, Adaptive optics, Coronagraphy, Control systems, Turbulence, Telescopes, Digital filtering, Curium, Real-time computing, Atmospheric turbulence

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Proceedings Article | 20 September 2021 Poster + Paper

Poster + Paper

An exposure time calculator for high-contrast polarimeters

Meiji Nguyen, Rebecca Jensen-Clem, Max Millar-Blanchaer, Sagnick Mukherjee, Jason Wang, Andrew Skemer

Proceedings Volume 11823, 118231X (2021) https://doi.org/10.1117/12.2597978

KEYWORDS: Signal to noise ratio, Polarization, Polarimetry, Adaptive optics, Imaging systems, Coronagraphy, Sensors, Stars, Exoplanets, Thirty Meter Telescope

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Proceedings Article | 9 September 2021 Presentation + Paper

Presentation + Paper

The Planetary Systems Imager adaptive optics system: an initial optical design and performance analysis tool for the PSI-Red AO system

Rebecca Jensen-Clem, Philip Hinz, Maaike von Kooten, Michael Fitzgerald, Steph Sallum, Benjamin Mazin, Mark Chun, Claire Max, Maxwell Millar-Blanchaer, Olivier Guyon, Andrew Skemer, R. Deno Stelter, Ji Wang

Proceedings Volume 11823, 1182309 (2021) https://doi.org/10.1117/12.2594005

KEYWORDS: Adaptive optics, Wavefront sensors, Relays, Wavefronts, Mirrors, Telescopes, Coronagraphy, Actuators, Imaging systems, Optical design

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Proceedings Article | 1 September 2021 Presentation + Paper

Presentation + Paper

Status of predictive wavefront control on Keck II adaptive optics bench: on-sky coronagraphic results

Maaike van Kooten, Rebecca Jensen-Clem, Sylvain Cetre, Sam Ragland, Charlotte Bond, J. Fowler, Peter Wizinowich

Proceedings Volume 11823, 118231F (2021) https://doi.org/10.1117/12.2594863

KEYWORDS: Adaptive optics, Wavefronts, Coronagraphy, Turbulence, Wavefront sensors, Control systems, Atmospheric turbulence, Human-computer interaction, Telescopes, Real-time computing

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Proceedings Article | 1 September 2021 Presentation + Paper

Presentation + Paper

First experimental results of the fast atmospheric self-coherent camera technique on the Santa Cruz extreme adaptive optics laboratory testbed: demonstration of high speed focal plane wavefront control of residual atmospheric speckles

Benjamin Gerard, Daren Dillon, Sylvain Cetre, Rebecca Jensen-Clem, Thomas Yuzvinsky, Holger Schmidt

Proceedings Volume 11823, 118231H (2021) https://doi.org/10.1117/12.2599556

KEYWORDS: Coronagraphy, Wavefronts, Adaptive optics, Speckle, Point spread functions, Exoplanets

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Proceedings Article | 1 September 2021 Presentation + Paper

Presentation + Paper

The bright pyramid wavefront sensor

Benjamin Gerard, Vincent Chambouleyron, Rebecca Jensen-Clem, Jean-François Sauvage

Proceedings Volume 11823, 118231B (2021) https://doi.org/10.1117/12.2594795

KEYWORDS: Adaptive optics, Wavefront sensors

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Proceedings Article | 1 September 2021 Presentation + Paper

Presentation + Paper

The Santa Cruz Extreme AO Lab (SEAL): design and first light

Rebecca Jensen-Clem, Daren Dillon, Benjamin Gerard, M.A.M. van Kooten, J. Fowler, Renate Kupke, Sylvain Cetre, Dominic Sanchez, Philip Hinz, Cesar Laguna, David Doelman, Frans Snik

Proceedings Volume 11823, 118231D (2021) https://doi.org/10.1117/12.2594676

KEYWORDS: Adaptive optics, Wavefront sensors, Spatial light modulators, Coronagraphy, Wavefronts, Planets, Imaging systems, Turbulence, Telescopes, Mirrors

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SPIE Journal Paper | 22 June 2021 Open Access

Open Access

Special Section on Starshades: Overview and a Dialogue

Jonathan Arenberg, Anthony Harness, Rebecca Jensen-Clem

JATIS, Vol. 7, Issue 02, 021201, (June 2021) https://doi.org/10.1117/12.10.1117/1.JATIS.7.2.021201

KEYWORDS: Telescopes, Exoplanets, Stars, Coronagraphy, Planets, Diffraction, Optical instrument design, Apodization, Space telescopes, Observatories

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Proceedings Article | 13 December 2020 Poster + Paper

Poster + Paper

Exoplanet imaging data challenge: benchmarking the various image processing methods for exoplanet detection

F. Cantalloube, C. Gomez-Gonzalez, O. Absil, C. Cantero, R. Bacher, M. Bonse, M. Bottom, C.-H. Dahlqvist, C. Desgrange, O. Flasseur, T. Fuhrmann, Th. Henning, R. Jensen-Clem, M. Kenworthy, D. Mawet, D. Mesa, T. Meshkat, D. Mouillet, A. Müller, E. Nasedkin, B. Pairet, S. Piérard, J.-B. Ruffio, M. Samland, J. Stone, M. Van Droogenbroeck

Proceedings Volume 11448, 114485A (2020) https://doi.org/10.1117/12.2574803

KEYWORDS: Exoplanets, Algorithm development, Planets, Stars, Adaptive optics, Coronagraphy, Interference (communication), Detection and tracking algorithms

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Proceedings Article | 13 December 2020 Poster + Paper

Poster + Paper

Update on the preliminary design of SCALES: the Santa Cruz Array of Lenslets for Exoplanet Spectroscopy

R. Deno Stelter, Andrew Skemer, Steph Sallum, Renate Kupke, Phil Hinz, Dimitri Mawet, Rebecca Jensen-Clem, Christopher Ratliffe, Nicholas MacDonald, William Deich, Gabriel Kruglikov, Marc Kassis, Jim Lyke, Zackary Briesemeister, Brittany Miles, Benjamin Gerard, Michael Fitzgerald, Timothy Brandt, Christian Marois

Proceedings Volume 11447, 1144764 (2020) https://doi.org/10.1117/12.2562768

KEYWORDS: Exoplanets, Imaging systems, Imaging spectroscopy, Spectroscopy, Planetary systems, Iterated function systems, Spectrographs, Spectral resolution, Coronagraphy, Keck Observatory

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Proceedings Article | 13 December 2020 Poster + Presentation + Paper

Poster + Presentation + Paper

Enhanced high-dispersion coronagraphy with KPIC phase II: design, assembly and status of sub-modules

N. Jovanovic, B. Calvin, M. Porter, T. Schofield, J. Wang, M. Roberts, G. Ruane, J. Wallace, R. Bartos, J. Pezzato, J. Colborn, J. R. Delorme, D. Echeverri, D. Mawet, C. Bond, S. Cetre, S. Lilley, S. Ragland, P. Wizinowich, R. Jensen-Clem

Proceedings Volume 11447, 114474U (2020) https://doi.org/10.1117/12.2563107

KEYWORDS: Coronagraphy, Device simulation, Planets, Exoplanets, Atmospheric optics, Imaging systems, L band, Image resolution, Visible radiation, Signal to noise ratio

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Proceedings Article | 9 September 2019 Presentation

Presentation

The Keck Planet Imager and Characterizer: demonstrating advanced exoplanet characterization techniques for future extremely large telescopes (Conference Presentation)

Nemanja Jovanovic, Jacques-Robert Delorme, Charlotte Bond, Sylvain Cetre, Dimitri Mawet, Daniel Echeverri, James Wallace, Randy Bartos, Scott Lilley, Sam Ragland, Garreth Ruane, Peter Wizinowich, Mark Chun, Ji Wang, Jason Wang, Michael Fitzgerald, Jacklyn Pezzato, Keith Matthews, Ben Calvin, Maxwell Millar-Blanchaer, Emily Martin, Edward Wetherell, Eric Wang, Shane Jacobson, Eric Warmbier, Charles Lockhart, Don Hall, Rebecca Jensen-Clem, Eden McEwen

Proceedings Volume 11117, 111170T (2019) https://doi.org/10.1117/12.2529330

KEYWORDS: Exoplanets, Imaging systems, Planets, Large telescopes, Imaging spectroscopy, Infrared imaging, Infrared radiation, Spectroscopes, Adaptive optics, Mid-IR

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Proceedings Article | 9 September 2019 Presentation + Paper

Presentation + Paper

Status of the Keck Planet Imager and Characterizer phase II development

Jacklyn Pezzato, Nemanja Jovanovic, Dimitri Mawet, Garreth Ruane, Jason Wang, James Wallace, Jennah Colborn, Sylvain Cetre, Charlotte Bond, Randall Bartos, Benjamin Calvin, Jacques-Robert Delorme, Daniel Echeverri, Rebecca Jensen-Clem, Eden McEwen, Scott Lilley, Ed Wetherell, Peter Wizinowich

Proceedings Volume 11117, 111170U (2019) https://doi.org/10.1117/12.2529685

KEYWORDS: Imaging systems, Planets, Wavefront sensors, Coronagraphy, Exoplanets, Adaptive optics, Image resolution, Imaging spectroscopy, Spectroscopes, Near infrared

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Proceedings Article | 9 September 2019 Presentation + Paper

Presentation + Paper

Demonstrating predictive wavefront control with the Keck II near-infrared pyramid wavefront sensor

Rebecca Jensen-Clem, Charlotte Bond, Sylvain Cetre, Eden McEwen, Peter Wizinowich, Sam Ragland, Dimitri Mawet, James Graham

Proceedings Volume 11117, 111170W (2019) https://doi.org/10.1117/12.2529687

KEYWORDS: Wavefronts, Wavefront sensors, Adaptive optics, Computer simulations, Control systems, Imaging systems, Device simulation, Exoplanets, Atmospheric turbulence, Optical simulations

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Proceedings Article | 26 July 2016 Paper

Paper

Robo-AO Kitt Peak: status of the system and deployment of a sub-electron readnoise IR camera to detect low-mass companions

Maïssa Salama, Christoph Baranec, Rebecca Jensen-Clem, Reed Riddle, Dmitry Duev, Shrinivas Kulkarni, Nicholas Law

Proceedings Volume 9909, 99091A (2016) https://doi.org/10.1117/12.2233741

KEYWORDS: Adaptive optics, Infrared cameras, Cameras, Infrared imaging, Telescopes, Infrared radiation, Point spread functions, Stars, Visible radiation, Mirrors

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Proceedings Article | 27 September 2011 Paper

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 | 11 August 2010 Paper

Paper

ExoplanetSat: detecting transiting exoplanets using a low-cost CubeSat platform

Matthew Smith, Sara Seager, Christopher Pong, Jesus Villaseñor, George Ricker, David Miller, Mary Knapp, Grant Farmer, Rebecca Jensen-Clem

Proceedings Volume 7731, 773127 (2010) https://doi.org/10.1117/12.856559

KEYWORDS: Stars, Space operations, Charge-coupled devices, Exoplanets, Interference (communication), Sensors, Planets, Signal to noise ratio, Space telescopes, CCD image sensors

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Showing 5 of 53 publications

Conference Committee Involvement (1)

Techniques and Instrumentation for Detection of Exoplanets XII

3 August 2025 | San Diego, California, United States

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