Dr. Stuart Marshall Profile

Dr. Stuart Marshall

Physicist at SLAC National Accelerator Lab

SPIE Involvement:

Author

Publications (18)

SPIE Journal Paper | 26 October 2024 Open Access

Science application driven optimization of LSSTCam charge-coupled device clocking

Anthony Tyson, Adam Snyder, Craig Lage, Daniel Polin, Gregg Thayer, Stuart Marshall, Yousuke Utsumi, Tony Johnson, Max Turri

JATIS, Vol. 11, Issue 01, 011202, (October 2024) https://doi.org/10.1117/12.10.1117/1.JATIS.11.1.011202

KEYWORDS: Charge-coupled devices, Large Synoptic Survey Telescope, Galactic astronomy, Stars, Crosstalk, Point spread functions, Optical simulations, Dark energy, Clocks, Cameras

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Proceedings Article | 27 August 2024 Presentation + Paper

LSST Camera focal plane optimization

Yousuke Utsumi, Pierre Antilogus, Pierre Astier, John Banovetz, Andrew Bradshaw, Johan Bregeon, Alex Broughton, Jim Chiang, Celine Combet, Guillaume Dargaud, Seth Digel, Johnny Esteves, Thibault Guillemin, Tony Johnson, Claire Juramy, Craig Lage, Shuang Liang, Stuart Marshall, Myriam Migliore, Homer Neal, Renee Nichols, Daniel Polin, Andrew Rasmussen, Steve Ritz, Eli Rykoff, Aaron Roodman, Theo Schutt, Adrian Sheshtakov, Adam Snyder, Gregg Thayer, Max Turri, Tony Tyson, Duncan Wood

Proceedings Volume 13103, 131030W (2024) https://doi.org/10.1117/12.3019117

KEYWORDS: Charge-coupled devices, CCD image sensors, Sensors, Cameras, Large Synoptic Survey Telescope

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Proceedings Article | 18 July 2024 Presentation + Paper

Integrating the LSST camera

Travis Lange, Martin Nordby, Hannah Pollek, Shawn Osier, Boyd Bowdish, Diane Hascall, Margaux Lopez, Scott Newbry, Juan Carlos Lazarte, Gregg Thayer, Homer Neal, Vincent Lee, Michael Silva, David Kiehl, Andrew Hau, Tom Nieland, Nico Linton, David Shelley, Yongqiang Qiu, Mark Freytag, Stephen Cisneros, Chris Mendez, Stuart Marshall, Yousuke Utsumi, Tony Johnson, Andrew Rasmussen, Aaron Roodman, Steven Tether, Alan Eisner, Max Turri, Dmitry Onoprienko, Owen Saxton, James Chiang, Seth Digel, Andrew Bradshaw, Kevin Reil, Vincent Riot, Justin Wolfe, Scott Winters, Brian Bauman, William Wahl, Paul O'Connor, Pierre Antilogus, Claire Juramy, Françoise Virieux, Alexandre Boucaud, Camille Parisel, Eric Aubourg, Eric Lagorio, Pierre Karst, Aurelien Marini, Didier Laporte, Francis Vezzu, Guillaume Daubard, Patrick Breugnon, Tony Tyson, Adam Snyder, Craig Lage, Tim Bond, Steve Ritz

Proceedings Volume 13096, 130961O (2024) https://doi.org/10.1117/12.3019302

KEYWORDS: Cameras, Cryostats, Large Synoptic Survey Telescope, Camera shutters, Vacuum, Optical filters, Tunable filters, Charge-coupled devices, Stanford Linear Collider, Sensors

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Proceedings Article | 18 July 2024 Presentation + Paper

LSST camera verification testing and characterization

A. Roodman, A. Rasmussen, A. Bradshaw, E. Charles, J. Chiang, S. Digel, R. Dubois, A. Johnson, S. Kahn, S. Liang, S. Marshall, H. Neal, A. Plazas, K. Reil, E. Rykoff, R. Schindler, T. Schutt, Y. Utsumi, T. Bogart, T. Bond, B. Bowdish, S. Cisneros, A. Eisner, M. Freytag, D. Hascall, T. Lange, J. Lazarte, M. Lopez, C. Mendez, S. Newbry, M. Nordby, D. Onoprienko, S. Osier, H. Pollek, B. Qiu, O. Saxton, S. Tether, G. Thayer, M. Turri, J. Banovetz, P. O'Connor, V. Riot, J. Wolfe, C. Lage, D. Polin, A. Snyder, A. Tyson, R. Nichols, S. Ritz, A. Shestakov, D. Wood, A. Broughton, H. Park, J. Esteves, A. Barrau, J. Bregeon, C. Combet, G. Dargaud, E. Lagorio, M. Migliore, F. Vezzu, P. Antilogus, P. Astier, G. Daubard, C. Juramy, D. Laporte, T. Guillemin, E. Aubourg, A. Boucaud, C. Parisel, F. Virieux, P. Breugnon, P. Karst, A. Marini, M. Fisher-Levine, C. Waters

Proceedings Volume 13096, 130961S (2024) https://doi.org/10.1117/12.3019698

KEYWORDS: Charge-coupled devices, Cameras, Large Synoptic Survey Telescope, Optical filters, Camera shutters, CCD cameras, Image quality, Cryostats, CCD image sensors

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Proceedings Article | 13 December 2020 Presentation

Performance characterization and verification testing of the LSST Camera

Aaron Roodman, Tim Bond, Boyd Bowdish, Andrew Bradshaw, Eric Charles, James Chiang, Stephen Cisneros, Seth Digel, Richard Dubois, Al Eisner, Michael Huffer, Anthony Johnson, Steven Kahn, John Ku, Travis Lange, Margaux Lopez, Stuart Marshall, Chris Mendez, Myriam Migliore, Homer Neal, Scott Newbry, Martin Nordby, Dmitry Onoprienko, Marco Oriunno, Shawn Osier, Andrew Rasmussen, Kevin Reil, Vincent Riot, Stefano Russo, Owen Saxton, Adam Snyder, Stephen Tether, John Thayer, Jeff Tice, Massimiliano Turri, Anthony Tyson, Yousuke Utsumi, Justin Wolfe, Duncan Wood, Celine Combet, Ludovic Eraud, Aurélien Barrau, Adrian Shestakov, Steve Ritz, Paul O'Connor, Bill Wahl, Sven Herrmann, Andrei Nomerotski, Pierre Antilogus, Claire Juramy-Gilles, Craig Lage, Dan Polin

Proceedings Volume 11447, 114470K (2020) https://doi.org/10.1117/12.2562740

KEYWORDS: Cameras, Large Synoptic Survey Telescope, Optical filters, CCD cameras, Camera shutters, Control systems, Astronomy, Wavefronts, Astronomical imaging, Image filtering

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Proceedings Article | 10 July 2018 Presentation + Paper

LSST camera - integration and test subsystem: planning and status

Tim Bond, Aaron Roodman, Kevin Reil, Travis Lange, Martin Nordby, Scott Newbry, Margaux Lopez, Boyd Bowdish, Vincent Lee, Diane Hascall, John Munoz, Stuart Marshall, Andy Rasmussen, Seth Digel, Yousouke Utsumi, Adam Snyder

Proceedings Volume 10705, 107050E (2018) https://doi.org/10.1117/12.2314244

KEYWORDS: Cameras, Large Synoptic Survey Telescope, Stanford Linear Collider, Sensors, Imaging systems, Telescopes, Metrology

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Proceedings Article | 10 July 2018 Presentation + Paper

Integration and verification testing of the LSST camera

A. Roodman, J. Bogart, T. Bond, A. Borgland, J. Chiang, S. Digel, R. Dubois, W. Focke, T. Glanzman, K. Gilmore, D. Hascall, P. Hascall, S. Herrmann, A. Johnson, H. Kelly, T. Lange, M. Lopez, S. Marshall, H. Neal, S. Newbry, M. Nordby, A. Rasmussen, K. Reil, E. Rosenberg, S. Russo, O. Saxton, A. Snyder, S. Tether, M. Turri, Y. Utsumi, P. O'Connor, A. Nomerotski, M. Rumore, J. Haupt, P. Takacs, A. Barrau, C. Combet, G. Dargaud, L. Eraud, M. Marton, M. Migliore, E. Perbet, J.-S. Ricol, C. Vescovi, P. Doherty, B. Baumann, S. Winters, J. Wolfe, P. Antilogus, C. Juramy

Proceedings Volume 10705, 107050D (2018) https://doi.org/10.1117/12.2314017

KEYWORDS: Cameras, Large Synoptic Survey Telescope, Charge-coupled devices, Optical filters, Imaging systems, Projection systems, Computer aided design, Quantum efficiency, Camera shutters, Electronics

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Proceedings Article | 6 July 2018 Paper

Acceptance testing for LSST camera raft tower modules

Margaux Lopez, Stuart Marshall, Tim Bond, Justine Haupt, Tony Johnson, Homer Neal, Paul O'Connor, Andrew Rasmussen, Aaron Roodman, Peter Takacs, Yousuke Utsumi

Proceedings Volume 10702, 107022C (2018) https://doi.org/10.1117/12.2312200

KEYWORDS: Cameras, Large Synoptic Survey Telescope, Sensors, Electronics, Metrology, Electro optics, Control systems, Electro-optic testing, Charge-coupled devices

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Proceedings Article | 18 August 2016 Paper

Using model based systems engineering for the development of the Large Synoptic Survey Telescope's operational plan

Brian Selvy, Charles Claver, Beth Willman, Don Petravick, Margaret Johnson, Kevin Reil, Stuart Marshall, Sandrine Thomas, Paul Lotz, German Schumacher, Kian-Tat Lim, Tim Jenness, Suzanne Jacoby, Ben Emmons, Tim Axelrod

Proceedings Volume 9911, 99110D (2016) https://doi.org/10.1117/12.2233904

KEYWORDS: Systems modeling, Systems engineering, Large Synoptic Survey Telescope, Observatories, Connectors, Data processing, Data archive systems, Astronomy, Camera shutters, Information technology

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We† provide an overview of the Model Based Systems Engineering (MBSE) language, tool, and methodology being used in our development of the Operational Plan for Large Synoptic Survey Telescope (LSST) operations. LSST’s Systems Engineering (SE) team is using a model-based approach to operational plan development to: 1) capture the topdown stakeholders’ needs and functional allocations defining the scope, required tasks, and personnel needed for operations, and 2) capture the bottom-up operations and maintenance activities required to conduct the LSST survey across its distributed operations sites for the full ten year survey duration. To accomplish these complimentary goals and ensure that they result in self-consistent results, we have developed a holistic approach using the Sparx Enterprise Architect modeling tool and Systems Modeling Language (SysML). This approach utilizes SysML Use Cases, Actors, associated relationships, and Activity Diagrams to document and refine all of the major operations and maintenance activities that will be required to successfully operate the observatory and meet stakeholder expectations. We have developed several customized extensions of the SysML language including the creation of a custom stereotyped Use Case element with unique tagged values, as well as unique association connectors and Actor stereotypes. We demonstrate this customized MBSE methodology enables us to define: 1) the rolls each human Actor must take on to successfully carry out the activities associated with the Use Cases; 2) the skills each Actor must possess; 3) the functional allocation of all required stakeholder activities and Use Cases to organizational entities tasked with carrying them out; and 4) the organization structure required to successfully execute the operational survey. Our approach allows for continual refinement utilizing the systems engineering spiral method to expose finer levels of detail as necessary. For example, the bottom-up, Use Case-driven approach will be deployed in the future to develop the detailed work procedures required to successfully execute each operational activity.

Proceedings Article | 8 August 2016 Paper

LSST control software component design

Paul Lotz, Gregory Dubois-Felsmann, Kian-Tat Lim, Tony Johnson, Srinivasan Chandrasekharan, David Mills, Philip Daly, Germán Schumacher, Francisco Delgado, Steve Pietrowicz, Brian Selvy, Jacques Sebag, Stuart Marshall, Harini Sundararaman, Christopher Contaxis, Robert Bovill, Tim Jenness

Proceedings Volume 9913, 991309 (2016) https://doi.org/10.1117/12.2231796

KEYWORDS: Large Synoptic Survey Telescope, Control systems, Telecommunications, Telescopes, Sensors, Composites, Data acquisition, Motion controllers, Phase modulation, Calibration

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Proceedings Article | 4 August 2014 Paper

Systems engineering in the Large Synoptic Survey Telescope project: an application of model based systems engineering

C. Claver, Brian Selvy, George Angeli, Francisco Delgado, Gregory Dubois-Felsmann, Patrick Hascall, Paul Lotz, Stuart Marshall, German Schumacher, Jacques Sebag

Proceedings Volume 9150, 91500M (2014) https://doi.org/10.1117/12.2056781

KEYWORDS: Large Synoptic Survey Telescope, Systems modeling, Systems engineering, Cameras, Telescopes, Observatories, Imaging systems, Data modeling, Control systems, Optical filters

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Proceedings Article | 4 August 2010 Paper

Using SysML for MBSE analysis of the LSST system

Charles Claver, Gregory Dubois-Felsmann, Francisco Delgado, Pat Hascall, Stuart Marshall, Martin Nordby, Terry Schalk, German Schumacher, Jacques Sebag

Proceedings Volume 7738, 77381D (2010) https://doi.org/10.1117/12.857227

KEYWORDS: Large Synoptic Survey Telescope, Systems modeling, Imaging systems, Telescopes, Observatories, Cameras, Systems engineering, Data modeling, Control systems, Computer architecture

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Proceedings Article | 19 July 2010 Paper

Graphical user interfaces of the dark energy survey

Jacob Eiting, Ann Elliott, Klaus Honscheid, Jim Annis, Elizabeth Buckley-Geer, William Wester, Michael Haney, William Hanlon, Inga Karliner, Jon Thaler, Mark Meyer, Marco Bonati, German Schumacher, Kyler Kuehn, Stephen Kuhlmann, Terry Schalk, Stuart Marshall, Aaron Roodman

Proceedings Volume 7740, 774012 (2010) https://doi.org/10.1117/12.856726

KEYWORDS: Human-machine interfaces, Control systems, Observatories, Databases, Image processing, Telecommunications, Information operations, Charge-coupled devices, Telescopes, Cameras

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Proceedings Article | 19 July 2010 Paper

The DECam data acquisition and control system

K. Honscheid, J. Eiting, A. Elliott, J. Annis, M. Bonati, E. Buckley-Geer, F. Castander, L. da Costa, M. Haney, W. Hanlon, I. Karliner, K. Kuehn, S. Kuhlmann, S. Marshall, M. Meyer, E. Neilsen, R. Ogando, A. Roodman, T. Schalk, G. Schumacher, M. Selen, S. Serrano, J. Thaler, W. Wester

Proceedings Volume 7740, 77401K (2010) https://doi.org/10.1117/12.856734

KEYWORDS: Image processing, Control systems, Image quality, Telescopes, Data acquisition, Cameras, Charge-coupled devices, Databases, Computing systems, Distributed computing

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Proceedings Article | 15 July 2010 Paper

Status of the dark energy survey camera (DECam) project

Brenna Flaugher, Timothy M. Abbott, Jim Annis, Michelle Antonik, Jim Bailey, Otger Ballester, Joseph Bernstein, Rebecca Bernstein, Marco Bonati, Gale Bremer, Jorge Briones, David Brooks, Elizabeth Buckley-Geer, Julia Campa, Laia Cardiel-Sas, Francisco Castander, Javier Castilla, Herman Cease, Steve Chappa, Edward Chi, Luis da Costa, Darren DePoy, Gregory Derylo, Juan De Vicente, H. Thomas Diehl, Peter Doel, Juan Estrada, Jacob Eiting, Anne Elliott, David Finley, Josh Frieman, Enrique Gaztanaga, David Gerdes, Mike Gladders, V. Guarino, G. Gutierrez, Jim Grudzinski, Bill Hanlon, Jiangang Hao, Steve Holland, Klaus Honscheid, Dave Huffman, Cheryl Jackson, Inga Karliner, Daekwang Kau, Steve Kent, Kurt Krempetz, John Krider, Mark Kozlovsky, Donna Kubik, Kyler Kuehn, Stephen Kuhlmann, Kevin Kuk, Ofer Lahav, Peter Lewis, Huan Lin, Wolfgang Lorenzon, Stuart Marshall, Gustavo Martínez, Timothy McKay, Wyatt Merritt, Mark Meyer, Ramon Miquel, Jim Morgan, Peter Moore, Todd Moore, Brian Nord, R. Ogando, Jamieson Olsen, John Peoples, Andreas Plazas, Natalie Roe, Aaron Roodman, B. Rossetto, E. Sanchez, Vic Scarpine, Terry Schalk, Rafe Schindler, Ricardo Schmidt, Richard Schmitt, Mike Schubnell, Kenneth Schultz, M. Selen, S. Serrano, Terri Shaw, Vaidis Simaitis, Jean Slaughter, R. Christopher Smith, Hal Spinka, Andy Stefanik, Walter Stuermer, Adam Sypniewski, Rick Talaga, Greg Tarle, Jon Thaler, Doug Tucker, Alistair Walker, Curtis Weaverdyck, William Wester, Robert Woods, Sue Worswick, Allen Zhao

Proceedings Volume 7735, 77350D (2010) https://doi.org/10.1117/12.856609

KEYWORDS: Charge-coupled devices, Telescopes, Imaging systems, CCD cameras, Cameras, Camera shutters, Optical filters, Lenses, Mirrors, Device simulation

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Proceedings Article | 27 June 2006 Paper

LSST camera control system

Stuart Marshall, Jon Thaler, Terry Schalk, Michael Huffer

Proceedings Volume 6274, 627422 (2006) https://doi.org/10.1117/12.673226

KEYWORDS: Cameras, Data acquisition, Control systems, Large Synoptic Survey Telescope, Imaging systems, Cadmium sulfide, Charge-coupled devices, Electronics, Digital signal processing, Camera shutters

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Proceedings Article | 3 July 1998 Paper

MACHO data pipeline

Timothy Axelrod, R. Allsman, Peter Quinn, Charles Alcock, D. Alves, A. Becker, D. Bennett, Kenneth Cook, A. Drake, K. Freeman, Kim Griest, M. Lehner, Stuart Marshall, D. Minniti, Bruce Peterson, Mark Pratt, Alex Rodgers, Christopher Stubbs, W. Sutherland, Austin Tomaney, T. Vandehei, D. Welch

Proceedings Volume 3349, (1998) https://doi.org/10.1117/12.316482

KEYWORDS: Databases, Photometry, Telescopes, Stars, Charge-coupled devices, Computing systems, Cameras, Telecommunications, C++, Data processing

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Proceedings Article | 12 July 1993 Paper

32-megapixel dual-color CCD imaging system

Christopher Stubbs, Stuart Marshall, Kenneth Cook, Robert Hills, Joseph Noonan, Carl Akerlof, Charles Alcock, Timothy Axelrod, D. Bennett, K. Dagley, K. Freeman, Kim Griest, Hye-Sook Park, Saul Perlmutter, Bruce Peterson, Peter Quinn, Alex Rodgers, C. Sosin, W. Sutherland

Proceedings Volume 1900, (1993) https://doi.org/10.1117/12.148597

KEYWORDS: Charge-coupled devices, Imaging systems, Telescopes, Field effect transistors, Stars, Optical amplifiers, Cameras, Connectors, Observatories, Analog electronics

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