Dr. Stephanie E. Sallum Profile

Dr. Stephanie E. Sallum

at Univ of California

SPIE Involvement:

Conference Chair | Author | Editor

Publications (72)

SPIE Journal Paper | 8 October 2024

On the potential of spectroastrometry with photonic lanterns

Yoo Jung Kim, Michael Fitzgerald, Jonathan Lin, Yinzi Xin, Daniel Levinstein, Steph Sallum, Nemanja Jovanovic, Sergio Leon-Saval

JATIS, Vol. 10, Issue 04, 045001, (October 2024) https://doi.org/10.1117/12.10.1117/1.JATIS.10.4.045001

KEYWORDS: Matrices, Single mode fibers, Stars, Signal detection, Signal intensity, Spectrometers, Spectral response, Monochromatic aberrations, Colorimetry, Telescopes

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Proceedings Article | 30 September 2024 Presentation + Paper

Design and simulation of non-redundant aperture masks for SCALES

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

Proceedings Volume 13095, 130950Y (2024) https://doi.org/10.1117/12.3019285

KEYWORDS: Design, Mirrors, Image restoration, Adaptive optics, Solar system, Optical path differences, Exoplanets, Telescopes, Spatial resolution, Source mask optimization

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Proceedings Article | 18 September 2024 Poster + Paper

On-sky tests of an upgraded holographic mask in the OSIRIS imager

Eric Exley, Steph Sallum, Peyton Benac, David Doelman, Michael Fitzgerald, Michael Liu, Jim Lyke, Frans Snik, Peter Tuthill, Joost Wardenier, Peter Wizinowich

Proceedings Volume 13095, 130952U (2024) https://doi.org/10.1117/12.3029442

KEYWORDS: Visibility, Stars, Point spread functions, Interferograms, Calibration, Imaging systems, Image quality, Liquid crystals, Holography, Data modeling

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Proceedings Article | 17 September 2024 Poster + Paper

Characterizing exoplanet atmospheres with SCALES medium-spectral-resolution angular differential imaging

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

Proceedings Volume 13096, 130969C (2024) https://doi.org/10.1117/12.3020521

KEYWORDS: Planets, Stars, Point spread functions, Exoplanets, Speckle, Atmospheres, Spectral resolution, Atmospheric modeling, Simulations, Signal to noise ratio

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Proceedings Article | 16 September 2024 Poster + Paper

Identifying embedded accreting protoplanets at and within the diffraction limit using photonic lantern spectro-astrometry

Daniel Levinstein, Stephanie Sallum, Yoo Jung Kim, Jonathan Lin, Nemanja Jovanovic, Michael Fitzgerald, Yinzi Xin, Olivier Guyon, Barnaby Norris, Christopher Betters, Sergio Leon-Saval, Vincent Deo, Julien Lozi, Sébastien Vievard, Kyohoon Ahn

Proceedings Volume 13095, 130952M (2024) https://doi.org/10.1117/12.3019296

KEYWORDS: Planets, Stars, Monte Carlo methods, Diffraction limit, Protactinium, Adaptive optics, Observational astronomy, Telescopes, Electric fields, Solar system

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Proceedings Article | 29 August 2024 Presentation + Paper

KOLA: a concept for an optical multi-conjugate adaptive optics system for the W.M. Keck Observatory

Jessica Lu, Rich Dekany, Brianna Peck, Antonin Bouchez, Max Millar-Blanchaer, Phil Hinz, Kodi Rider, Mark Chun, Peter Wizinowich, Lianqi Wang, Steph Sallum, Brooke DiGia, Charles-Antoine Claveau

Proceedings Volume 13097, 130970H (2024) https://doi.org/10.1117/12.3020725

KEYWORDS: Adaptive optics, Simulations, Actuators, Stars, Spatial resolution, Wavefront sensors, Infrared radiation, Telescopes, Point spread functions, Image quality

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Proceedings Article | 28 August 2024 Presentation + Paper

Spectral characterization of 3-port photonic lantern for spectroastrometry

Yoo Jung Kim, Michael Fitzgerald, Jonathan Lin, Julien Lozi, Sebastien Vievard, Nemanja Jovanovic, Sergio Leon-Saval, Kyohoon Ahn, Christopher Betters, Vincent Deo, Pradip Gatkine, Olivier Guyon, Manon Lallement, Daniel Levinstein, Dimitri Mawet, Barnaby Norris, Steph Sallum, Yinzi Xin

Proceedings Volume 13095, 130950T (2024) https://doi.org/10.1117/12.3019017

KEYWORDS: Photonics, High angular resolution imaging, Astronomical spectroscopy, Optical fibers, Single mode fibers, Telescopes, Spectral response, Spatial resolution, Calibration, Analytic models, Spectral resolution, Point spread functions, Turbulence

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Proceedings Article | 28 August 2024 Presentation + Paper

Pushing the limits of kernel phase interferometry for protoplanet discovery

Alexander Chaushev, Stephanie Sallum, Julien Lozi, Jeffrey Chilcote, Tyler Groff, Olivier Guyon, N. Jeremy Kasdin, Barnaby Norris, Andrew Skemer

Proceedings Volume 13095, 1309517 (2024) https://doi.org/10.1117/12.3020575

KEYWORDS: Calibration, Stars, Point spread functions, Image restoration, Adaptive optics, Signal to noise ratio, K band, Planets, Interferometry

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Proceedings Article | 28 August 2024 Poster + Paper

Planet search around seven white dwarfs in the Hyades cluster using kernel phase interferometry

Chelsea Adelman, Steph Sallum

Proceedings Volume 13095, 130952V (2024) https://doi.org/10.1117/12.3020532

KEYWORDS: Planets, Binary data, Phase interferometry, Stars, Error analysis, Fourier transforms, Calibration, Telescopes, Exoplanets, Data modeling

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Proceedings Article | 28 August 2024 Presentation + Paper

The search for protoplanets with aperture masking (SPAM) survey: progress update and close-in small grain protoplanetary disk features

Christina Vides, Steph Sallum, Josh Eisner, Andy Skemer, Ruth Murray-Clay

Proceedings Volume 13095, 1309511 (2024) https://doi.org/10.1117/12.3019330

KEYWORDS: Planets, Stars, Data modeling, Near infrared, Scattered light, Astronomical interferometry, Infrared astronomy

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Proceedings Article | 28 August 2024 Presentation + Paper

Wavefront sensing and control for a photonic lantern nuller for exoplanet characterization

Yinzi Xin, Daniel Echeverri, Nemanja Jovanovic, Dimitri Mawet, Sergio Leon-Saval, Rodrigo Amezcua-Correa, Stephanos Yerolatsitis, Michael Fitzgerald, Pradip Gatkine, Yoo Jung Kim, Jonathan Lin, Barnaby Norris, Garreth Ruane, Steph Sallum

Proceedings Volume 13095, 130950S (2024) https://doi.org/10.1117/12.3019168

KEYWORDS: Wavefronts, Planets, Exoplanets, Electric fields, Nulling interferometry, Wavefront sensors

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Proceedings Article | 28 August 2024 Presentation

Aperture masking interferometry in astronomy: from pre-AO diffraction limited imaging to space interferometry with JWST

Stephanie Sallum

Proceedings Volume 13095, 130950X (2024) https://doi.org/10.1117/12.3029485

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Proceedings Article | 28 August 2024 Presentation

Wavefront control with spectrally dispersed photonic lanterns

Jonathan Lin, Michael Fitzgerald, Yoo Jung Kim, Daniel Levinstein, Yinzi Xin, Kyohoon Ahn, Christopher Betters, Vincent Deo, Olivier Guyon, Sergio Leon-Saval, Julien Lozi, Sébastien Vievard, Steph Sallum, Nemanja Jovanovic

Proceedings Volume 13097, 130971D (2024) https://doi.org/10.1117/12.3019308

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Proceedings Article | 27 August 2024 Presentation + Paper

Keck adaptive secondary mirror overview

Philip Hinz, Brad Holden, R. Deno Stelter, Matt Radovan, Aaron Hunter, Maureen Savage, Renate Kupke, Daren Dillon, Jessica Lu, Mark Chun, Peter Wizinowich, Richard Dekany, Antonin Bouchez, Steph Sallum

Proceedings Volume 13097, 130972O (2024) https://doi.org/10.1117/12.3020800

KEYWORDS: Adaptive optics, Equipment, Calibration, Telescopes, Adaptive mirrors, Wavefront sensors, Mirrors, Image quality, Stars, Actuators

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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 | 27 August 2024 Presentation + Paper

The photonic lantern wavefront sensor and imager: focal plane wavefront sensing and optimal imaging at the diffraction limit and beyond

Barnaby R. Norris, Sergio Leon-Saval, Jin Wei, Christopher Betters, Adam Taras, Jonathan Lin, Yinzi Xin, Yoo Jung Kim, Michael Fitzgerald, Steph Sallum, Aditya Sengupta, Pradip Gatkine, Nemanja Jovanovic, Dimitri Mawet, Julien Lozi, Sebastian Vievard, Vincent Deo, Manon Lallement, Daniel Levinstein, Olivier Guyon

Proceedings Volume 13097, 130971I (2024) https://doi.org/10.1117/12.3019643

KEYWORDS: Wavefront sensors, Single mode fibers, Reconstruction algorithms, Point spread functions, Wavefront reconstruction, Telescopes, Wavefronts, Image restoration, Diffraction limit, Adaptive optics

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Proceedings Article | 26 August 2024 Poster + Paper

Design of a precision cryogenic rotary stage for optic or mask selection for the SCALES instrument mounted to the Keck 2 Telescope

C. Ratliff, N. MacDonald, J. Cabak, W. Deich, D. Sandford, M. Gonzales, A. Skemer, S. Sallum, D. Stelter, A. Hunter, R. Kupke, D. Dillon, D. Marques, C. Rodriguez, M. Savage, M. Kassis, J. Lyke, A. Hasan

Proceedings Volume 13100, 131006X (2024) https://doi.org/10.1117/12.3020421

KEYWORDS: Design, Mirrors, Optical surfaces, Cryogenics, Aluminum, Mirror surfaces, Telescopes, Equipment, Finite element methods, Vacuum

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Proceedings Article | 26 August 2024 Paper

SCALES slenslit design status

R. Deno Stelter, Renate Kupke, Cyril Bourgenot, David Bramall, Jürgen Schmoll, Andrew Skemer, Stephanie Sallum

Proceedings Volume 13100, 1310049 (2024) https://doi.org/10.1117/12.3020845

KEYWORDS: Infrared astronomy, Mirrors, Relays, Design, Spectrographs, Exoplanets, Optomechanical design, Spectral resolution, Spatial resolution, Mirror mounts

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Proceedings Article | 22 July 2024 Presentation + Paper

Innovations and advances in instrumentation at the W. M. Keck Observatory, vol. III

Marc Kassis, Carlos Alvarez, Ashley Baker, Jeb Bailey, Ravinder Banyal, Robert Bertz, Charles Beichman, Antonin Bouchez, Aaron Brown, Matthew Brown, Kevin Bundy, Randall Campbell, Mark Chun, Jeff Cooke, William Deich, Richard Dekany, Greg Doppmann, Christopher Fassnacht, Jocelyn Ferrara, Michael Fitzgerald, Christoffer Fremling, Jason Fucik, Steven Gibson, Peter Gillingham, Karl Glazebrook, Timothee Greffe, Samuel Halverson, Grant Hill, Lynne Hillenbrand, Philip Hinz, Bradford Holden, Andrew Howard, Daniel Huber, Tucker Jones, Carolyn Jordan, Nemanja Jovanovic, Isabell Kain, Mansi Kasliwal, Evan Kirby, Quinn Konopacky, Shanti Krishnan, Shri Kulkarni, Renate Kupke, Kyle Lanclos, James Larkin, Scott Lilley, Larry Lingvay, Jessica Lu, James Lyke, Nicholas MacDonald, Christopher Martin, John Mather, Mateusz Matuszewski, Dimitri Mawet, Rosalie McGurk, Eduardo Marin, Bob Meeks, Maxwell Millar-Blanchaer, Reston Nash, James Neill, John O'Meara, Rishi Pahuja, Eliad Peretz, Nikolaus Prusinski, Matthew Radovan, Kodi Rider, Mitsuko Roberts, Connie Rockosi, Ryan Rubenzahl, Stephanie Sallum, Dale Sandford, Maureen Savage, Andy Skemer, Roger Smith, Charles Steidel, Jonathan Steiner, Deno Stelter, Josh Walawender, Kyle Westfall, Peter Wizinowich, Shelley Wright, Truman Wold, Jake Zimmer

Proceedings Volume 13096, 1309606 (2024) https://doi.org/10.1117/12.3016181

KEYWORDS: Equipment, Adaptive optics, Design, Observatories, Spectrographs, Imaging systems, Sensors, Telescopes, Spectroscopy, Imaging spectroscopy

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Proceedings Article | 19 July 2024 Poster

Improving constraints on planet formation with custom high-resolution accretion-tracing observing modes designed for SCALES

Raquel Martinez, Steph Sallum, Andrew Skemer

Proceedings Volume 13096, 1309671 (2024) https://doi.org/10.1117/12.3020657

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Proceedings Article | 19 July 2024 Poster

Implementation and testing of a hybrid fast/slow readout mode for the H2RG detectors in SCALES

Peyton Benac, Michael Fitzgerald, Eric Wang, Chris Johnson, Ken Magnone, Andy Skemer, Phil Hinz, Nicholas MacDonald, Dale Sandford, Deno Stelter, Brittany Miles, Thomas Greene, Steph Sallum, Markus Loose, Richard Blank

Proceedings Volume 13096, 130966Y (2024) https://doi.org/10.1117/12.3020401

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Proceedings Article | 19 July 2024 Poster

Optical design and analysis of calibration system for SCALES instrument

Amirul Hasan, Ravinder K. Banyal, Renate Kupke, Andrew J. Skemer, Ajin Prakash, Sivarani Thirupathi, Deno Stelter, Ramya Sethuram, Arun Surya, Nick MacDonald, Steph Sallum, Mackenzie Lach, Scott Lilley

Proceedings Volume 13096, 130966X (2024) https://doi.org/10.1117/12.3019833

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Proceedings Article | 18 July 2024 Poster + Paper

Performance analysis of SCALES final optical design: end to end modeling

Arun Surya, Renate Kupke, Deno Stelter, Phil Hinz, Stephanie Sallum, Amirul Hasan, Andrew Skemer, Sivarani Thirupathi, Ravinder Banyal, Athira Unni

Proceedings Volume 13096, 130966W (2024) https://doi.org/10.1117/12.3019578

KEYWORDS: Spectrographs, Modeling, Sensors, Point spread functions, Optical design, Tunable filters, Zemax, Spectral resolution, Ray tracing, Optical filters

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Proceedings Article | 18 July 2024 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 | 18 July 2024 Presentation + Paper

Visible photonic lantern integration, characterization, and on-sky testing on Subaru/SCExAO

S. Vievard, M. Lallement, S. Leon-Saval, O. Guyon, N. Jovanovic, E. Huby, S. Lacour, J. Lozi, V. Deo, K. Ahn, M. Lucas, T. Currie, S. Sallum, M. Fitzgerald, C. Betters, B. Norris, R. Amezcua-Correa, S. Yerolatsitis, J. Lin, Y. Kim, P. Gatkine, T. Kotani, M. Tamura, G. Martin, H. Kenchington Goldsmith, G. Perrin

Proceedings Volume 13096, 130960P (2024) https://doi.org/10.1117/12.3018031

KEYWORDS: Single mode fibers, Telescopes, Visible radiation, Spectroscopes, Spectrographs, Calibration, Equipment, Spatial resolution, Imaging spectroscopy, Adaptive optics

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Proceedings Article | 18 July 2024 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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SPIE Journal Paper | 4 April 2024

Laboratory demonstration of a Photonic Lantern Nuller in monochromatic and broadband light

JATIS, Vol. 10, Issue 02, 025001, (April 2024) https://doi.org/10.1117/12.10.1117/1.JATIS.10.2.025001

KEYWORDS: Polarization, Single mode fibers, Nulling interferometry, Wavefronts, Simulations, Planets, Mode shapes, Exoplanets, Wavefront errors, Light sources

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Proceedings Article | 6 October 2023 Presentation

Demonstration of linear and neural net closed-loop control with a photonic lantern focal-plane wavefront sensor

Jonathan Lin, Barnaby Norris, Olivier Guyon, Michael Fitzgerald, Yinzi Xin, Yoo Jung Kim, Sébastien Vievard, Julien Lozi, Sergio Leon-Saval, Christopher Betters, Steph Sallum, Pradip Gatkine, Dimitri Mawet, Nemanja Jovanovic

Proceedings Volume 12680, 126800L (2023) https://doi.org/10.1117/12.2677057

KEYWORDS: Wavefront sensors, Wavefront aberrations, Pupil aberrations, Adaptive optics, Neural networks, Equipment, Wavefront errors, Waveguides, Wavefront reconstruction, Telescopes

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Proceedings Article | 6 October 2023 Presentation

End to end modeling of SCALES spectrograph for Keck Observatory

Arun Surya, Renate Kupke, Deno Stelter, Philip Hinz, Amirul Hasan, Andrew Skemer, Stephanie Sallum, Thirupathi Sivarani, Ravinder Banyal

Proceedings Volume 12680, 1268005 (2023) https://doi.org/10.1117/12.2677759

KEYWORDS: Spectrographs, Modeling, Keck Observatory, Equipment, Point spread functions, Geometrical optics, Data modeling, Spectroscopes, Spectral resolution, Microlens

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Proceedings Article | 6 October 2023 Presentation

The SCALES slenslit: a unique exoplanet spectrograph

Richard Stelter, Renate Kupke, Andrew Skemer, Stephanie Sallum, Cyril Bourgenot, Raquel Martinez

Proceedings Volume 12680, 1268004 (2023) https://doi.org/10.1117/12.2677508

KEYWORDS: Exoplanets, Spectrographs, Spectral resolution, Iterated function systems, Atmospheres, Spatial resolution, Precision optics, Optical arrays, Lens arrays, Design and modelling

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Proceedings Article | 5 October 2023 Paper

Exploring the potential of coherent imaging using photonic lanterns with beam combiners

Yoo Jung Kim, Michael Fitzgerald, Jonathan Lin, Steph Sallum, Yinzi Xin, Nemanja Jovanovic, Sergio Leon-Saval, Christopher Betters, Pradip Gatkine, Olivier Guyon, Julien Lozi, Dimitri Mawet, Barnaby Norris, Sebastien Vievard

Proceedings Volume 12680, 126800K (2023) https://doi.org/10.1117/12.2677054

KEYWORDS: Visibility, Single mode fibers, Interferometry, Beam combiners, Telescopes, Image restoration, Stellar interferometry, Coherence imaging

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Proceedings Article | 5 October 2023 Presentation + Paper

Laboratory characterization of a mode-selective photonic lantern for exoplanet characterization

Proceedings Volume 12680, 126800I (2023) https://doi.org/10.1117/12.2676421

KEYWORDS: Single mode fibers, Polarization, Exoplanets, Polarizers, Wavefronts, Planets, Nulling interferometry, Photodiodes, Light sources, Holograms

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Proceedings Article | 5 October 2023 Presentation + Paper

Spectro-astrometry of embedded accreting protoplanets using photonic lanterns

Daniel Levinstein, Stephanie Sallum, Yoo Jung Kim, Jonathan Lin, Julien Lozi, Nemanja Jovanovic, Michael Fitzgerald, Sébastien Vievard

Proceedings Volume 12680, 126800J (2023) https://doi.org/10.1117/12.2676882

KEYWORDS: Signal detection, Simulations, Planets, Scattered light, Exoplanets

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Proceedings Article | 5 October 2023 Poster + Paper

Characterization of diamond-turned optics for SCALES

Isabel Kain, Phil Hinz, Marius Doetz, Benjamin Bulla, Renate Kupke, Daren Dillon, Andrew Skemer, Deno Stelter, Michael Gonzales, Nicholas MacDonald, Aditi Gangadharan, Cristian Rodriguez, Christopher Ratliff, Mackenzie Lach, Steph Sallum

Proceedings Volume 12680, 1268020 (2023) https://doi.org/10.1117/12.2677716

KEYWORDS: Adaptive optics, Point spread functions, Wavefront errors, Optical surfaces, Spatial frequencies, Optics manufacturing, Surface roughness, Mirror surfaces

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Proceedings Article | 5 October 2023 Presentation + Paper

The path to detecting extraterrestrial life with astrophotonics

Nemanja Jovanovic, Yinzi Xin, Michael Fitzgerald, Olivier Guyon, Peter Tuthill, Barnaby Norris, Pradip Gatkine, Greg Sercel, Svarun Soda, Yoo Jung Kim, Jonathan Lin, Sergio Leon-Saval, Rodrigo Amezcua-Correa, Stephanos Yerolatsitis, Julien Lozi, Sébastien Vievard, Chris Betters, Steph Sallum, Daniel Levinstein, Dimitri Mawet, Jeffrey Jewell, J. Kent Wallace, Nick Cvetojevic

Proceedings Volume 12680, 126800G (2023) https://doi.org/10.1117/12.2677951

KEYWORDS: Planets, Photonics, Stars, Exoplanets, Equipment, Astrophotonics, Wavefront sensors, Single mode fibers, Coronagraphy, Spectroscopy

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Proceedings Article | 5 October 2023 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 Poster + Paper

Designing custom medium resolution observing modes to trace planet accretion with SCALES

Raquel Martinez, Steph Sallum, 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, Isabel Kain, Charlie Kilpatrick, Renate Kupke, Mackenzie Lach, Mike Liu, Bruce Macintosh, Dimitri Mawet, Brittany Miles, Caroline Morley, Diana Powell, Patrick Sheehan, Andrew Skemer, Justin Spilker, Deno Stelter, Jordan Stone, Arun Surya, Sivarani Thirupathi, Kevin Wagner, Yifan Zhou

Proceedings Volume 12680, 126801W (2023) https://doi.org/10.1117/12.2677530

KEYWORDS: Planets, Spectroscopy, Exoplanets, Data modeling, Tunable filters, Thermography, Systems modeling, Spectrographs, Planetary systems, Optical filters

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Proceedings Article | 5 October 2023 Presentation + Paper

Image reconstruction for kernel phase interferometry with SCExAO/CHARIS using gradient descent

Alexander Chaushev, Stephanie Sallum

Proceedings Volume 12680, 126800O (2023) https://doi.org/10.1117/12.2677213

KEYWORDS: Stars, Machine learning, Reconstruction algorithms, Phase measurement, Binary data, Image processing, Astronomical interferometry

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Proceedings Article | 5 October 2023 Presentation + Paper

Photonic spectro-interferometry with SCExAO/FIRST at the Subaru Telescope: towards Hα imaging of protoplanets

S. Vievard, M. Lallement, E. Huby, S. Lacour, O. Guyon, N. Jovanovic, S. Leon-Saval, J. Lozi, V. Deo, K. Ahn, N. Cvetojevic, K. Barjot, G. Martin, H. D. Kenchington-Goldsmith, G. Duchêne, T. Kotani, F. Marchis, D. Rouan, M. Fitzgerald, S. Sallum, B. Norris, C. Betters, P. Gatkine, J. Lin, Y. J. Kim, C. Pham, C. Cassagnettes, A. Billat, M. Tamura, G. Perrin

Proceedings Volume 12680, 126800H (2023) https://doi.org/10.1117/12.2676319

KEYWORDS: Telescopes, Single mode fibers, Optical path differences, Spectrographs, Photonic integrated circuits, Polarization, Microelectromechanical systems, Calibration, Visible radiation

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Proceedings Article | 5 October 2023 Poster + Paper

Recovering simulated planet and disk signals using SCALES aperture masking

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

Proceedings Volume 12680, 1268024 (2023) https://doi.org/10.1117/12.2677954

KEYWORDS: Design and modelling, Planets, Imaging systems, Exoplanets

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Proceedings Article | 5 October 2023 Poster + Paper

Simulating medium-spectral-resolution exoplanet characterization with SCALES angular/reference differential imaging

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

Proceedings Volume 12680, 1268023 (2023) https://doi.org/10.1117/12.2677846

KEYWORDS: Exoplanets, Planets, Stars, Spectroscopy, Spectrographs, Spectral resolution, Speckle, Simulations, Lens arrays, Iterated function systems

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SPIE Journal Paper | 29 May 2023

Differential speckle polarimetry with SCExAO VAMPIRES

Boris Safonov, Maxwell A. Millar-Blanchaer, Manxuan Zhang, Barnaby R. Norris, Olivier Guyon, Julien Lozi, Steph Sallum

JATIS, Vol. 9, Issue 02, 028005, (May 2023) https://doi.org/10.1117/12.10.1117/1.JATIS.9.2.028005

KEYWORDS: Polarization, Polarimetry, Speckle, Modulation, Digital signal processing, Telescopes, Equipment, Adaptive optics, Matrices, Cameras

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SPIE Journal Paper | 3 May 2023 Open Access

Spectrally dispersed kernel phase interferometry with SCExAO/CHARIS: proof of concept and calibration strategies

Alexander Chaushev, Steph Sallum, Julien Lozi, Frantz Martinache, Jeffrey Chilcote, Tyler Groff, Olivier Guyon, N. Jeremy Kasdin, Barnaby R. Norris, Andrew Skemer

JATIS, Vol. 9, Issue 02, 028004, (May 2023) https://doi.org/10.1117/12.10.1117/1.JATIS.9.2.028004

KEYWORDS: Calibration, Point spread functions, Data modeling, Binary data, Phase interferometry, Stars, Iterated function systems, K band, Spatial frequencies, Error analysis

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Proceedings Article | 30 August 2022 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

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 Presentation + Paper

Exoplanet detection with photonic lanterns for focal-plane wavefront sensing and control

Jonathan Lin, Yinzi Xin, Barnaby Norris, Yoo Jung Kim, Steph Sallum, Christopher Betters, Sergio Leon-Saval, Julien Lozi, Sebastian Vievard, Oliver Guyon, Pradip Gatkine, Nemanja Jovanovic, Dimitri Mawet, Michael Fitzgerald

Proceedings Volume 12185, 121852G (2022) https://doi.org/10.1117/12.2630692

KEYWORDS: Wavefront sensors, Wavefronts, Single mode fibers, Mathematical modeling, Telescopes, Photodetectors, Wavefront reconstruction, Wavefront aberrations, Monochromatic aberrations, Exoplanets

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Proceedings Article | 30 August 2022 Presentation + Paper

Demonstration of a photonic-lantern focal-plane wavefront sensor using fiber mode conversion and deep learning

Barnaby R. Norris, Jin Wei, Christopher Betters, Sergio Leon-Saval, Yinzi Xin, Jonathan Lin, Yoo Jung Kim, Steph Sallum, Julien Lozi, Sebastien Vievard, Olivier Guyon, Pradip Gatkine, Nemanja Jovanovic, Dimitri Mawet, Michael Fitzgerald

Proceedings Volume 12185, 1218530 (2022) https://doi.org/10.1117/12.2629852

KEYWORDS: Wavefronts, Wavefront sensors, Adaptive optics, Point spread functions, Photodetectors, Phase measurement, Multimode fibers, Telescopes, Fiber optics sensors, Astronomy

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Proceedings Article | 29 August 2022 Presentation + Paper

Experimental measurements of AO-fed photonic lantern coupling efficiencies

Jonathan Lin, Sebastian Vievard, Nemanja Jovanovic, Barnaby Norris, Michael P. Fitzgerald, Christopher Betters, Pradip Gatkine, Olivier Guyon, Yoo Jung Kim, Sergio Leon-Saval, Julien Lozi, Dimitri Mawet, Steph Sallum, Yinzi Xin

Proceedings Volume 12188, 121882E (2022) https://doi.org/10.1117/12.2630608

KEYWORDS: Single mode fibers, Point spread functions, Telescopes, Power meters, Physics, Device simulation, Spectrographs, Near infrared, Turbulence, Sensors

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Proceedings Article | 29 August 2022 Presentation + Paper

Design of an IR imaging channel for the Keck Observatory SCALES instrument

Ravinder K. Banyal, Armirul Hasan, Reni Kupke, Hari Mohan Varshney, Ajin Prakaesh, T. Sivarani, Andy J. Skemer, Nick MacDonald, Steph Sallum, Will Deich, Michael P. Fitzgerald, K. V. Govinda, Chris Ratliff, Ramya Sethuram, Deno Stelter, Arun Surya, Eric Wang

Proceedings Volume 12188, 121881U (2022) https://doi.org/10.1117/12.2630696

KEYWORDS: Imaging systems, Sensors, Mirrors, Iterated function systems, Exoplanets, Image filtering, Computer aided design, Coronagraphy, Telescopes, Adaptive optics

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Proceedings Article | 29 August 2022 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 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 Poster + Paper

Spectroastrometry with photonic lanterns

Yoo Jung Kim, Stephanie Sallum, Jonathan Lin, Yinzi Xin, Barnaby Norris, Christopher Betters, Sergio Leon-Saval, Julien Lozi, Sebastian Vievard, Pradip Gatkine, Olivier Guyon, Nemanja Jovanovic, Dimitri Mawet, Michael Fitzgerald

Proceedings Volume 12184, 1218449 (2022) https://doi.org/10.1117/12.2630635

KEYWORDS: Binary data, Single mode fibers, Planets, Monochromatic aberrations, Wavefronts, Telescopes, Spectroscopy, Photodetectors, Photonics, Astronomical spectroscopy, Astronomical detectors, Waveguides

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Proceedings Article | 29 August 2022 Poster + Paper

Weighing exo-atmospheres: a novel mid-resolution spectral mode for SCALES

R. Deno Stelter, Andrew Skemer, Renate Kupke, Cyril Bourgenot, Raquel Martinez, Stephanie Sallum

Proceedings Volume 12184, 1218445 (2022) https://doi.org/10.1117/12.2630400

KEYWORDS: Mirrors, Spectrographs, Exoplanets, Optical design, Infrared Imaging Spectrograph, Exoplanetary science

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Proceedings Article | 29 August 2022 Presentation + Paper

Innovations and advances in instrumentation at the W. M. Keck Observatory, vol. II

Marc Kassis, Steve Allen, Carlos Alvarez, Ravinder Banyal, Robert Bertz, Charles Beichman, Aaron Brown, Matthew Brown, Gerald Cabak, Kevin Bundy, Sylvain Cetre, Jason Chin, Mark Chun, Will Deich, Richard Dekany, Jacques Delorme, Mark Devenot, Greg Doppmann, Michael Fitzgerald, Jason Fucik, Grant Hill, Philip Hinz, Bradford Holden, Andrew Howard, Maodong Gao, Steve Gibson, Percy Gomez, Colby Gottschalk, Peter Gillingham, Tucker Jones, Nemanja Jovanovic, Evan Kirby, Quinn Konopacky, Shanti Krishnan, Renate Kupke, James Larkin, Stephanie Leifer, Hilton Lewis, Scott Lilley, Jessica Lu, James Lyke, Nick MacDonald, Eduardo Marin, Matt Matuszewski, Dimitri Mawet, Rosalie McGurk, Maxwell Millar-Blanchaer, Reston Nash, Craig Nance, James Neill, John O'Meara, Eliad Peretz, Claire Poppett, John Mather, Matthew Radovan, Mitsuko Roberts, Sam Ragland, Kodi Rider, Constance Rockosi, Dale Sandfor, Boqiang Shen, Charles Steidel, Sunil Simha, Andy Skemer, Deno Stelter, Avinash Surendran, James Thorne, Ben McCarney, Kyle Lanclos, Ashley Baker, Ryan Rubenzahl, Arpita Roy, Sam Halverson, Jerry Edelstein, Christopher Martin, Maureen Savage, Dale Sandford, Stephanie Sallum, Josh Walawender, Peter Wizinowich, Kyle Westfall, Kerry Vahala, Shelley Wright, Truman Wold, Sherry Yeh

Proceedings Volume 12184, 1218405 (2022) https://doi.org/10.1117/12.2628630

KEYWORDS: Adaptive optics, Spectrographs, Exoplanets, Sensors, Spectroscopy, Imaging systems, Telescopes, Planets, Cameras, Observatories

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Proceedings Article | 29 August 2022 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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Proceedings Article | 29 August 2022 Presentation

An ASM-based AO system for W.M. Keck Observatory

Philip Hinz, Christoph Baranec, Kevin Bundy, Rachel Bowens-Rubin, Mark Chun, Richard Dekany, Brad Holden, Wouter Jonker, Marc Kassis, Renate Kupke, Stefan Kuiper, Olivier Lai, Jessica Lu, Nick MacDonald, Matthew Maniscalco, Emily Martin, Claire Max, Guillaume Molodij, Matthew Radovan, Sam Ragland, Stephanie Sallum, Alice Shapley, Andrew Skemer, Deno Stelter, Peter Wizinowich

Proceedings Volume 12185, 121852A (2022) https://doi.org/10.1117/12.2630683

KEYWORDS: Adaptive optics, Keck Observatory, Telescopes, Mirrors, Actuators, Infrared telescopes, Objectives, Infrared radiation, Ecosystems, Atmospheric turbulence

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Proceedings Article | 27 August 2022 Presentation + Paper

Direct imaging and spectroscopy of exoplanetary systems with the JWST early release science program

Sasha Hinkley, Aarynn Carter, Shrishmoy Ray, Beth Biller, Andrew Skemer, Elodie Choquet, Maxwell Millar-Blanchaer, Stephanie Sallum, Brittany Miles, Niall Whiteford, Polychronis Patapis, Marshall Perrin, Laurent Pueyo, Karl Stapelfeldt, Jason Wang, Kimberly Ward-Duong, Julien Girard, Dean Hines, Jens Kammerer, Jarron Leisenring, Yifan Zhou, Michael Meyer, Michael Liu, Mickael Bonnefoy, Simon Petrus, Mariangela Bonavita, Gael Chauvin, Christine Chen, Thayne Currie, Kielan K. Hoch, Cecilia Lazzoni, Elisabeth Matthews, Michael McElwain, Isabel Rebollido, Emily Rickman, Glenn Schneider, Anand Sivaramakrishnan, Jordan Stone

Proceedings Volume 12180, 121800S (2022) https://doi.org/10.1117/12.2629919

KEYWORDS: James Webb Space Telescope, Coronagraphy, Planets, Exoplanets, Imaging systems, Astronomy, Imaging spectroscopy, Spectroscopy, Stars, Calibration

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Proceedings Article | 26 August 2022 Presentation + Paper

Spectral differential imaging using kernel phase with CHARIS/SCExAO: technique performance and current limitations

Alexander Chaushev, Stephanie Sallum, Julien Lozi, Frantz Martinache, Jeffrey Chilcote, Tyler Groff, Olivier Guyon, N. Jeremy Kasdin, Barnaby Norris, Andrew Skemer

Proceedings Volume 12183, 121831L (2022) https://doi.org/10.1117/12.2629558

KEYWORDS: Calibration, Binary data, Data modeling, Stars, Telescopes, K band, Adaptive optics

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Proceedings Article | 26 August 2022 Paper

Differential speckle polarimetry with SCExAO VAMPIRES

Boris Safonov, Maxwell Millar-Blanchaer, Manxuan Zhang, Barnaby Norris, Olivier Guyon, Julien Lozi, Stephanie Sallum

Proceedings Volume 12183, 121832C (2022) https://doi.org/10.1117/12.2630440

KEYWORDS: Polarization, Modulation, Polarimetry, Adaptive optics, Telescopes, Photons, Cameras, Digital signal processing, Visibility, Spatial frequencies

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Proceedings Article | 26 August 2022 Poster + Paper

SAMpy: a Fourier-plane pipeline for JWST/NIRISS aperture masking interferometry (and more!)

Stephanie Sallum, Shrishmoy Ray, Sasha Hinkley

Proceedings Volume 12183, 121832M (2022) https://doi.org/10.1117/12.2630401

KEYWORDS: Calibration, Visibility, James Webb Space Telescope, Point spread functions, Interferometry, Stars, Imaging systems, Data modeling, Space telescopes, Phase measurement

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Proceedings Article | 26 August 2022 Presentation + Paper

Imaging nearby, habitable-zone planets with the Large Binocular Telescope Interferometer

Steve Ertel, Kevin Wagner, Jarron Leisenring, Dániel Apai, Denis Defrère, Jeremy Dietrich, Joshua Eisner, Virginie Faramaz, William Hoffmann, Markus Kasper, Pete Klupar, Jared Males, Mark Marley, Hélène Rousseau, Stephanie Sallum, Eckhart Spalding, Jordan Stone, S. Pete Worden

Proceedings Volume 12183, 1218302 (2022) https://doi.org/10.1117/12.2635333

KEYWORDS: Planets, Stars, Sensors, Interferometry, Telescopes, Point spread functions, Spatial resolution, Nulling interferometry, Cameras, Mirrors

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Proceedings Article | 26 August 2022 Presentation + Paper

Optical interferometry imaging contest IX

J. Sanchez-Bermudez, A. Mérand, S. Sallum, J. Drevon, J. Kluska, F. Millour, P. Vermot, J. Young

Proceedings Volume 12183, 121831G (2022) https://doi.org/10.1117/12.2629430

KEYWORDS: Image restoration, Interferometry, James Webb Space Telescope, Visibility, Data modeling, Optical interferometry, Telescopes, Stars, Device simulation, Astronomy

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Proceedings Article | 26 August 2022 Paper

Simulating the performance of aperture mask designs for SCALES

Mackenzie Lach, Steph Sallum, Andrew Skemer

Proceedings Volume 12183, 121832D (2022) https://doi.org/10.1117/12.2630569

KEYWORDS: Exoplanets, Planets, Device simulation, Point spread functions, Imaging spectroscopy, Adaptive optics

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Proceedings Article | 9 September 2021 Poster + Paper

Cryogenic test results of the SCALES focal plane coronagraph mechanism

Michael Gonzales, R. Deno Stelter, Gabriel Kruglikov, Christopher Ratliff, William Deich, Nicholas MacDonald, Steph Sallum, Andrew Skemer

Proceedings Volume 11823, 118231W (2021) https://doi.org/10.1117/12.2594801

KEYWORDS: Switches, Coronagraphy, Cryogenics, Adaptive optics, Exoplanets, Reliability, Motion measurement, Mirrors, Computer programming, Software development

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Proceedings Article | 9 September 2021 Presentation + Paper

Information content approach to trade studies for SCALES

Zackery Briesemeister, Steph Sallum, Andrew Skemer, Natasha Batalha

Proceedings Volume 11823, 1182308 (2021) https://doi.org/10.1117/12.2594880

KEYWORDS: Exoplanets, L band, Tolerancing, Instrument modeling, K band

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Proceedings Article | 9 September 2021 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 | 13 December 2020 Poster + Paper

Developing adaptive secondary mirror concepts for the APF and W.M. Keck Observatory based on HVR technology

Philip Hinz, Rachel Bowens-Rubin, Christoph Baranec, Kevin Bundy, Mark Chun, Daren Dillon, Brad Holden, Wouter Jonker, Molly Kosiarek, Renate Kupke, Stefan Kuiper, Olivier Lai, Jessica Lu, Matthew Maniscalco, Matthew Radovan, Sam Ragland, Stephanie Sallum, Andrew Skemer, Peter Wizinowich

Proceedings Volume 11448, 114485U (2020) https://doi.org/10.1117/12.2563223

KEYWORDS: Mirrors, Telescopes, Adaptive optics, Optical instrument design, Actuators, Optical components, Deformable mirrors, Observatories, Infrared radiation, Turbulence

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Proceedings Article | 13 December 2020 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 + Paper

End-to-end simulation of the SCALES integral field spectrograph

Zackery Briesemeister, Steph Sallum, Andrew Skemer, R. Deno Stelter, Philip Hinz, Timothy Brandt

Proceedings Volume 11447, 114474Z (2020) https://doi.org/10.1117/12.2562143

KEYWORDS: Infrared spectroscopy, Spatial resolution, Thermography, Infrared radiation, Field spectroscopy, Infrared imaging, Exoplanets, Focus stacking software, Spectrographs, Imaging spectroscopy

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SPIE Journal Paper | 31 January 2019 Open Access

Comparing nonredundant masking and filled-aperture kernel phase for exoplanet detection and characterization

Steph Sallum, Andy Skemer

JATIS, Vol. 5, Issue 01, 018001, (January 2019) https://doi.org/10.1117/12.10.1117/1.JATIS.5.1.018001

KEYWORDS: Planets, Stars, Point spread functions, Calibration, James Webb Space Telescope, Sensors, Signal to noise ratio, Electrons, Telescopes, Device simulation

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Proceedings Article | 9 July 2018 Paper

Comparing non-redundant masking and filled-aperture kernel phase for exoplanet detection and characterization

Steph Sallum, Andy Skemer

Proceedings Volume 10701, 107011D (2018) https://doi.org/10.1117/12.2313814

KEYWORDS: Planets, Calibration, Stars, James Webb Space Telescope, Adaptive optics, Point spread functions, Wavefronts, Signal to noise ratio, Space telescopes, Spectrographs

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Proceedings Article | 4 August 2016 Paper

Imaging protoplanets: observing transition disks with non-redundant masking

Steph Sallum, Josh Eisner, Laird Close, Philip Hinz, Katherine Follette, Kaitlin Kratter, Andrew Skemer, Vanessa Bailey, Runa Briguglio, Denis Defrere, Bruce Macintosh, Jared Males, Katie Morzinski, Alfio Puglisi, Timothy Rodigas, Eckhart Spalding, Peter Tuthill, Amali Vaz, Alycia Weinberger, Marco Xomperio

Proceedings Volume 9907, 99070D (2016) https://doi.org/10.1117/12.2231764

KEYWORDS: Infrared radiation, Stars, Planets, Light scattering, Light, Data modeling, L band, Scattering, Signal to noise ratio, Infrared imaging

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