Dr. Jacques Sebag Profile

Dr. Jacques Sebag

AIV Manager at NSFs National Optical-Infrared Astronomy Research Lab

SPIE Involvement:

Author

Publications (64)

Proceedings Article | 29 August 2022 Presentation + Paper

Presentation + Paper

Rubin Observatory Commissioning Camera: summit integration

Brian Stalder, Kevin Reil, Christian Aguilar, Claudio Araya, Anthony Borstad, Boyd Bowdish, Myung Cho, Stephen Cisneros, Chuck Claver, Julio Constanzo, Giovanni Corvetto, Holger Drass, Frossie Economou, Erik Dennihy, Alan Eisner, Juan Fabrega, Angelo Fausti Neto, Merlin Fisher-Levine, Ivan Gonzalez, Ronald Harris, Diane Hascall, Justine Haupt, Josh Hoblitt, James Howard, Mike Huffer, Tim Jenness, David Jiménez Mejías, Brian Johnson, Tony Johnson, K. Simon Krughoff, Craig Lage, Travis Lange, Ming Liang, Juan Lopez, Margaux Lopez, Robert Lupton, Guido Maulen, Felipe Menanteau, Neill Mills, Glenn Morris, Freddy Munoz, Homer Neal, Douglas Neill, Scott Newbry, Andrei Nomerotski, Dmitry Onoprienko, Ian Ordenes, Juan Orellana, Shawn Osier, HyeYun Park, Steve Pietrowicz, Andres Plazas, Gary Poczulp, Brian Qiu, Bruno Quint, Heinrich Reinking, Michael Reuter, Tiago Ribeiro, Rodrigo Rojas, Sandra Romero, Rafe Schindler, Bill Schoening, Jacques Sebag, Alysha Shugart, Cristian Silva, Ioana Sotuela, Anthony Tache, Diego Tapia, John Thayer, Sandrine Thomas, Roberto Tighe, Tei-Wei Tsai, Max Turri, Tony Tyson, Luis Vergara, Christopher Walter, Oliver Wiecha, Van Xiong

Proceedings Volume 12184, 121840J (2022) https://doi.org/10.1117/12.2630184

KEYWORDS: Cameras, Telescopes, Imaging systems, Observatories, Interfaces, Control systems, Safety, Electronics, Device simulation

Read Abstract +

Proceedings Article | 29 August 2022 Presentation

Presentation

Vera C. Rubin Observatory. The final erection of the big and fast Rotating Enclosure

Gianpietro Marchiori, Simone De Lorenzi, Johana Martinez, Leonardo Ghedin, Tommaso Marchiori, Cristina Battistel, Cristiana Manfrin, Riccardo Bressan, Lorenzo Vio, Matteo Faccioni, Tiziano Niero, Victor Krabbendan, Jeff Barr, Doug Neill, Jacques Sebag, Eduardo Serrano, Hernan Herrera, Wouter van Reeven, German Schumacher, Oliver Wiecha, Chuck Gessner, Chuck Claver

Proceedings Volume 12182, 121821L (2022) https://doi.org/10.1117/12.2629174

KEYWORDS: Observatories, Telescopes, Manufacturing, Wind energy, Lead, Large Synoptic Survey Telescope, Design for manufacturability, Control systems, Cladding, Astronomy

Read Abstract +

Proceedings Article | 26 August 2022 Presentation + Paper

Presentation + Paper

The Vera C. Rubin Observatory 8.4m telescope calibration system status

Patrick Ingraham, Parker Fagrelius, Christopher Stubbs, Robert Lupton, Ming Liang, Doug Neill, Gary Muller, Charles Claver, Jacques Sebag, Sandrine Thomas, Russell Owen

Proceedings Volume 12182, 121820R (2022) https://doi.org/10.1117/12.2630185

KEYWORDS: Telescopes, Calibration, Observatories, Projection systems, Domes, Light emitting diodes, Collimation, Large Synoptic Survey Telescope, Stars, Reflectors

Read Abstract +

Proceedings Article | 26 August 2022 Presentation + Paper

Presentation + Paper

Rubin Observatory Simonyi Survey Telescope status overview

Sandrine Thomas, Jeffrey Barr, Shawn Callahan, Andy Clements, Felipe Daruich, Juan Fábrega, Patrick Ingraham, Freddy Muñoz, Douglas Neill, Tiago Ribeiro, Jacques Sebag, Eduardo Serrano, Brian Stalder, Roberto Tighe, Tomislav Vucina, Andrew Connolly, J. Bryce Kalmbach, Chris Suberlak, Te-Wei Tsai

Proceedings Volume 12182, 121820W (2022) https://doi.org/10.1117/12.2630226

KEYWORDS: Telescopes, Control systems, Mirrors, Observatories, Coating, Cameras, Domes, Image processing, Sensors, Imaging systems

Read Abstract +

Proceedings Article | 13 December 2020 Presentation + Paper

Presentation + Paper

Vera C. Rubin Observatory: telescope and site status

Sandrine Thomas, Jeffrey Barr, Shawn Callahan, Andy Clements, Felipe Daruich, Juan Fabrega, Patrick Ingraham, William Gressler, Freddy Munoz, Doug Neill, Tiago Ribeiro, Jacques Sebag, Eduardo Serrano, Brian Stalder, Roberto Tighe, Tomislav Vucina, Bo Xin

Proceedings Volume 11445, 114450I (2020) https://doi.org/10.1117/12.2561581

KEYWORDS: Telescopes, Large Synoptic Survey Telescope, Mirrors, Interferometry, Metrology, Silver, Aluminum, Coating, Calibration, Imaging systems

Read Abstract +

Proceedings Article | 13 December 2020 Presentation + Paper

Presentation + Paper

Vera C. Rubin Observatory system integration, test, and commissioning: strategy and status

Jacques Sebag, Charles Claver, Sandrine Thomas, Kevin Reil, Jeffrey Barr, Keith Bechtol, Felipe Daruich, Juan Fabrega, Leanne Guy, Patrick Ingraham, Victor Krabbendam, Margaux Lopez, Freddy Munoz, Doug Neill, Wil O'Mullane, Michael Reuter, Austin Roberts, Tiago Ribeiro, Eduardo Serrano, Cristian Silva, Brian Stalder, Roberto Tighe, Bo Xin

Proceedings Volume 11445, 114451U (2020) https://doi.org/10.1117/12.2561675

KEYWORDS: Large Synoptic Survey Telescope, System integration, Cameras, Optical alignment, Telescopes, Coating, Wavefront sensors, Domes, Optical fabrication, Optical tracking

Read Abstract +

Proceedings Article | 13 December 2020 Poster + Paper

Poster + Paper

The Shack-Hartmann wavefront sensor for the Rubin Observatory

Jerome Ballesta, Guillaume Tison, Rafael Meyer, Jacques Sebag, Sandrine Thomas

Proceedings Volume 11451, 114513F (2020) https://doi.org/10.1117/12.2563380

KEYWORDS: Wavefront sensors, Large Synoptic Survey Telescope, Telescopes, Optical testing, Imaging systems, Astronomy, Optical instrument design, Integrated optics, Optical alignment, Stars

Read Abstract +

Proceedings Article | 13 December 2020 Presentation + Paper

Presentation + Paper

Rubin commissioning camera: integration, functional testing, and lab performance

Brian Stalder, Kevin Reil, Chuck Claver, Ming Liang, Tei Wei Tsai, Travis Lange, Justine Haupt, Oliver Wiecha, Margaux Lopez, Gary Poczulp, Diane Hascall, Douglas Neill, Jacques Sebag, Brian Johnson, Neill Mills, Myung Cho, Homer Neal, Scott Newbry, Shawn Osier, Rafe Schindler, Dmitry Onoprienko, Anthony Johnson, R. Glenn Morris, Max Turri, Alan Eisner, Stephen Cisneros, Van Xiong, Michael Huffer, Gregg Thayer, Ronald Harris, Anthony Borstad, Anthony Tache, William Schoening, J. Anthony Tyson, Craig Lage, Merlin Fisher-Levine, Robert Lupton, Andres Plazas, Felipe Menanteau, Htut Khine Htay Win, Stephen Pietrowicz, James Howard

Proceedings Volume 11447, 114470L (2020) https://doi.org/10.1117/12.2561132

KEYWORDS: Cameras, Large Synoptic Survey Telescope, Telescopes, Imaging systems, Optical instrument design, Electro optics, Sensors, Electronics, Control systems

Read Abstract +

Proceedings Article | 13 December 2020 Paper

Paper

Vera C. Rubin Observatory auxiliary telescope commissioning as a control system pathfinder

Patrick Ingraham, Andy Clements, Tiago Ribeiro, Michael Reuter, Merlin Fisher-Levine, Joshua Hoblitt, Robert Lupton, Sandrine Thomas, Christopher Stubbs, Kirk Arndt, Nick Callahan, Charles Claver, Franco Colleoni, Luis Corral, Peter Doherty, Frossie Economou, Angel Fausti Neto, Tim Jenness, Htut Khine, K. Simon Krughoff, Nicholas Mondrik, Felipe Menanteau, David Mills, William O'Mullane, Kevin Reil, Mario Rivera, Brian Stalder, Jacques Sebag, Ian Shipsey, Roberto Tighe, Adam Thornton, Andres Villalobos, Oliver Wiecha

Proceedings Volume 11452, 114520U (2020) https://doi.org/10.1117/12.2561112

KEYWORDS: Telescopes, Large Synoptic Survey Telescope, Control systems, Observatories, Lanthanum, Computer architecture, Software development

Read Abstract +

Proceedings Article | 13 December 2020 Poster + Paper

Poster + Paper

A pentaprism-based opto-mechanical alignment method for Nasmyth telescopes, such as the 4m SOAR telescope and the LSST's 1.2m auxiliary telescope

Roberto Tighe, Mario Rivera, Patricio Schurter, Freddy Muñoz, Rolando Cantarutti, José Piracés, Jacques Sebag

Proceedings Volume 11445, 114458G (2020) https://doi.org/10.1117/12.2561043

KEYWORDS: Telescopes, Large Synoptic Survey Telescope, Mirrors, Optoelectronics, Actuators, Monochromatic aberrations, Sensors

Read Abstract +

Proceedings Article | 13 December 2020 Presentation + Paper

Presentation + Paper

Rubin Observatory primary tertiary mirror cell assembly: integration and functional testing

Felipe Daruich, Douglas Neill, Edward Hileman, Christian Aguilar, Constanza Araujo, Claudio Araya, Michael Booth, Andy Clements, Franco Colleoni, Christopher Contaxis, Eric Coughlin, Ron Harris, Brian Johnson, Garry Knight, Juan Lopez, Neill Mills, Dave Mills, Gary Muller, Freddy Munoz, Ian Ordenes, Jacques Sebag, Edward Stover, Sandrine Thomas, Jeff Urban, Tomislav Vucina, Oliver Wiecha, Bo Xin

Proceedings Volume 11445, 114454B (2020) https://doi.org/10.1117/12.2561670

KEYWORDS: Mirrors, Large Synoptic Survey Telescope, Telescopes, Actuators, Optical instrument design, Mirror structures, Metrology, Sensors, Integration, Glasses

Read Abstract +

Proceedings Article | 10 July 2018 Presentation + Paper

Presentation + Paper

V&V planning and execution in an integrated model-based engineering environment using MagicDraw, Syndeia, and Jira

Brian Selvy, Austin Roberts, Michael Reuter, Charles (Chuck) Claver, Gabriele Comoretto, Tim Jenness, Wil O'Mullane, Andrew Serio, Rob Bovill, Jacques Sebag, Sandrine Thomas, Manas Bajaj, Dirk Zwemer, Brian Van Klaveren

Proceedings Volume 10705, 107050U (2018) https://doi.org/10.1117/12.2310125

KEYWORDS: Systems modeling, Large Synoptic Survey Telescope, Data modeling, Systems engineering, Integrated modeling, Model-based design, Safety, Telescopes

Read Abstract +

Proceedings Article | 6 July 2018 Paper

Paper

The LSST commissioning camera status and progress

James Howard, Kevin Reil, Chuck Claver, Brian Stalder, Ming Liang, Tei-Wei Tsai, Travis Lange, Justine Haupt, Oliver Wiecha, Margaux Lopez, Gary Poczulp, Diane Hascall, Douglas Neill, Jacques Sebag

Proceedings Volume 10700, 107003D (2018) https://doi.org/10.1117/12.2312684

KEYWORDS: Cameras, Large Synoptic Survey Telescope, Telescopes, Sensors, Camera shutters, Charge-coupled devices, Optical filters, Interfaces, Cryocoolers

Read Abstract +

Proceedings Article | 6 July 2018 Paper

Paper

LSST telescope and site status

William Gressler, Grissel Coleman, Francisco Delgado, Douglas Neill, Jacques Sebag, Andrew Serio, Sandrine Thomas

Proceedings Volume 10700, 107002I (2018) https://doi.org/10.1117/12.2311313

KEYWORDS: Mirrors, Telescopes, Large Synoptic Survey Telescope, Optical fabrication, Cameras, Domes, Coating, Imaging systems, Control systems, Calibration

Read Abstract +

Proceedings Article | 6 July 2018 Presentation + Paper

Presentation + Paper

LSST coating plant status and progress

Tomislav Vucina, Norman Muller, Bettina Michel, Markus Gehlert, Jorg Faber, Matthias Smolke, Torsten Wellner, Robert Kunanz, Christian Melde, Heiko Naucke, Peter Espig, William Gressler, Jacques Sebag, John Andrew, Doug Neil

Proceedings Volume 10700, 1070002 (2018) https://doi.org/10.1117/12.2312708

KEYWORDS: Coating, Mirrors, Large Synoptic Survey Telescope, Silver, Aluminum, Reflectivity, Sputter deposition, Telescopes, Sensors, Control systems

Read Abstract +

Proceedings Article | 19 August 2016 Paper

Paper

LSST telescope modeling overview

J. Sebag, J. Andrew, G. Angeli, C. Araujo, J. Barr, S. Callahan, M. Cho, C. Claver, F. Daruich, W. Gressler, E. Hileman, M. Liang, G. Muller, D. Neill, W. Schoening, M. Warner, O. Wiecha, B. Xin, Alfredo Orden Martinez, Manuel Perezagua Aguado, Luis García Marchena, Ismael Ruiz de Argandoña

Proceedings Volume 9911, 99112E (2016) https://doi.org/10.1117/12.2233178

KEYWORDS: Telescopes, Finite element methods, Systems modeling, Solid modeling, Mirrors, Actuators, 3D modeling, Large Synoptic Survey Telescope, Computer aided design, Large Synoptic Survey Telescope, Space telescopes

Read Abstract +

Proceedings Article | 18 August 2016 Paper

Paper

Large Synoptic Survey Telescope mount final design

Shawn Callahan, William Gressler, Sandrine Thomas, Chuck Gessner, Mike Warner, Jeff Barr, Paul Lotz, German Schumacher, Oliver Wiecha, George Angeli, John Andrew, Chuck Claver, Bill Schoening, Jacques Sebag, Victor Krabbendam, Doug Neill, Ed Hileman, Gary Muller, Constanza Araujo , Alfredo Orden Martinez, Manuel Perezagua Aguado, Luis García-Marchena, Ismael Ruiz de Argandoña, Francisco Romero, Ricardo Rodríguez, José Carlos González, Marco Venturini

Proceedings Volume 9906, 99060M (2016) https://doi.org/10.1117/12.2232996

KEYWORDS: Telescopes, Large Synoptic Survey Telescope, Optical instrument design, Cameras, Computer programming, Mirrors, Telescopes, Large Synoptic Survey Telescope, Optical instrument design, Computer programming, Control systems, Switches, Computer aided design, Interfaces

Read Abstract +

Proceedings Article | 10 August 2016 Paper

Paper

An integrated modeling framework for the Large Synoptic Survey Telescope (LSST)

G. Angeli, B. Xin, C. Claver, M. Cho, C. Dribusch, D. Neill, J. Peterson, J. Sebag, S. Thomas

Proceedings Volume 9911, 991118 (2016) https://doi.org/10.1117/12.2234078

KEYWORDS: Large Synoptic Survey Telescope, Systems modeling, Atmospheric optics, Image quality, Atmospheric modeling, Large Synoptic Survey Telescope, Wavefront sensors, Point spread functions, Telescopes, Sensors, Cameras

Read Abstract +

Proceedings Article | 8 August 2016 Paper

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

Read Abstract +

Proceedings Article | 8 August 2016 Paper

Paper

LSST primary/tertiary monolithic mirror

J. Sebag, W. Gressler, M. Liang, D. Neill, C. Araujo-Hauck, J. Andrew, G. Angeli, M. Cho, C. Claver, F. Daruich, C. Gessner, E. Hileman, V. Krabbendam, G. Muller, G. Poczulp, R. Repp, O. Wiecha, B. Xin, K. Kenagy, H. Martin, M. Tuell, S. West

Proceedings Volume 9906, 99063E (2016) https://doi.org/10.1117/12.2230012

KEYWORDS: Mirrors, Large Synoptic Survey Telescope, Polishing, Image quality, Surface finishing, Mirrors, Large Synoptic Survey Telescope, Polishing, Optical design, Finite element methods, Interferometry, Cameras, Actuators

Read Abstract +

Proceedings Article | 8 August 2016 Paper

Paper

LSST active optics system software architecture

Sandrine Thomas, Srinivasan Chandrasekharan, Paul Lotz, Bo Xin, Charles Claver, George Angeli, Jacques Sebag, Gregory Dubois-Felsmann

Proceedings Volume 9906, 99063B (2016) https://doi.org/10.1117/12.2231798

KEYWORDS: Large Synoptic Survey Telescope, Telescopes, Wavefront sensors, Mirrors, Wavefronts, Active optics, Adaptive optics, Sensors, Cameras, Image sensors

Read Abstract +

Proceedings Article | 8 August 2016 Paper

Paper

The LSST calibration hardware system design and development

Patrick Ingraham, Christopher Stubbs, Charles Claver, Robert Lupton, Constanza Araujo, Ming Liang, John Andrew, Jeff Barr, Kairn Brannon, Michael Coughlin, Merlin Fisher-Levine, William Gressler, Jacques Sebag, Sandrine Thomas, Oliver Wiecha, Peter Yoachim

Proceedings Volume 9906, 99060O (2016) https://doi.org/10.1117/12.2233404

KEYWORDS: Stars, Large Synoptic Survey Telescope, Telescopes, Calibration, Collimation, Projection systems, Photometry, Spectrographs, Domes, Computer programming

Read Abstract +

Proceedings Article | 27 July 2016 Paper

Paper

LSST mirror system status: from design to fabrication and integration

Constanza Araujo-Hauck, Jacques Sebag, Ming Liang, Douglas Neill, Gary Muller, Sandrine Thomas, Tomislav Vucina, William Gressler

Proceedings Volume 9906, 99060L (2016) https://doi.org/10.1117/12.2232923

KEYWORDS: Telescopes, Mirrors, Large Synoptic Survey Telescope, System integration, Coating, Mirrors, Actuators, Control systems, Optical fabrication, Polishing, Aluminum

Read Abstract +

Proceedings Article | 27 July 2016 Paper

Paper

Final design of the LSST hexapods and rotator

Ryan Sneed, Douglas Neill, Scott Kidney, Constanza Araujo, William Gressler, Paul Lotz, Dave Milles, Jacques Sebag, Thomas Sebring, Mickael Warner, Oliver Wiecha

Proceedings Volume 9906, 99060K (2016) https://doi.org/10.1117/12.2231327

KEYWORDS: Large Synoptic Survey Telescope, Cameras, Actuators, Telescopes, Mirrors, Optical instrument design, Neodymium, Interfaces, Electromechanical design, Space telescopes

Read Abstract +

Proceedings Article | 27 July 2016 Paper

Paper

Final design of the LSST primary/tertiary mirror cell assembly

Douglas Neill, Gary Muller, Ed Hileman, Joe DeVries, Constanza Araujo , William Gressler, Paul Lotz, Dave Mills, Jacques Sebag, Sandrine Thomas, Mike Warner, Oliver Wiecha

Proceedings Volume 9906, 99060Q (2016) https://doi.org/10.1117/12.2234016

KEYWORDS: Mirrors, Large Synoptic Survey Telescope, Control systems, Coating, Actuators, Mirror structures, Optical isolators, Cameras, Telescopes, Interfaces

Read Abstract +

Proceedings Article | 27 July 2016 Paper

Paper

LSST summit facility construction progress report: reacting to design refinements and field conditions

Jeffrey Barr, William Gressler, Jacques Sebag, Jaime Seriche, Eduardo Serrano

Proceedings Volume 9906, 99060P (2016) https://doi.org/10.1117/12.2233383

KEYWORDS: Large Synoptic Survey Telescope, Optical instrument design, Telescopes, Observatories, Buildings, Coating, Optical instrument design, Cameras, Interfaces, Space telescopes, Head

Read Abstract +

Proceedings Article | 27 July 2016 Paper

Paper

LSST secondary mirror system final design

Douglas Neill, Gregory Bogan, Dale Zajac, Constanza Araujo , William Gressler, Joe DeVries, Edward Hileman, Paul Lotz, Dave Mills, Sandrine Thomas, Thomas Sebring, Jacques Sebag, Mike Warner, Oliver Wiecha

Proceedings Volume 9906, 990667 (2016) https://doi.org/10.1117/12.2234021

KEYWORDS: Actuators, Mirrors, Large Synoptic Survey Telescope, Actuators, Optical fabrication, Telescopes, Sensors, Mirror structures, Control systems, Safety, Active optics

Read Abstract +

Proceedings Article | 22 July 2016 Paper

Paper

Manufacture and final tests of the LSST monolithic primary/tertiary mirror

H. Martin, J. R. Angel, G. Angeli, J. Burge, W. Gressler, D. W. Kim, J. Kingsley, K. Law, M. Liang, D. Neill, J. Sebag, P. Strittmatter, M. Tuell, S. West, N. Woolf, B. Xin

Proceedings Volume 9912, 99120X (2016) https://doi.org/10.1117/12.2234501

KEYWORDS: Mirrors, Large Synoptic Survey Telescope, Surface finishing, Optical testing, Polishing, Interferometers, Point spread functions, Actuators, Visualization, Telescopes

Read Abstract +

Proceedings Article | 4 August 2014 Paper

Paper

Estimating dome seeing for LSST

Jacques Sebag, Konstantinos Vogiatzis

Proceedings Volume 9150, 91500R (2014) https://doi.org/10.1117/12.2054436

KEYWORDS: Telescopes, Domes, Large Synoptic Survey Telescope, Cameras, Device simulation, Systems modeling, Monte Carlo methods, Thermal modeling, Performance modeling, 3D modeling

Read Abstract +

Proceedings Article | 4 August 2014 Paper

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

Read Abstract +

Proceedings Article | 4 August 2014 Paper

Paper

Overview of the LSST active optics system

Douglas Neill, George Angeli, Chuck Claver, Ed Hileman, Joseph DeVries, Jacques Sebag, Bo Xin

Proceedings Volume 9150, 91500G (2014) https://doi.org/10.1117/12.2056553

KEYWORDS: Mirrors, Actuators, Cameras, Control systems, Wavefronts, Adaptive optics, Active optics, Telescopes, Wavefront sensors, Large Synoptic Survey Telescope

Read Abstract +

Proceedings Article | 4 August 2014 Paper

Paper

Real time wavefront control system for the Large Synoptic Survey Telescope (LSST)

George Angeli, Bo Xin, Charles Claver, Douglas MacMartin, Douglas Neill, Matthew Britton, Jacques Sebag, Srinivasan Chandrasekharan

Proceedings Volume 9150, 91500H (2014) https://doi.org/10.1117/12.2055390

KEYWORDS: Large Synoptic Survey Telescope, Wavefronts, Telescopes, Wavefront sensors, Cameras, Image quality, Control systems, Actuators, Atmospheric modeling, Mirrors

Read Abstract +

Proceedings Article | 28 July 2014 Paper

Paper

The guider and wavefront curvature sensor subsystem for the Large Synoptic Survey Telescope

Vincent Riot, Kirk Arndt, Chuck Claver, Peter Doherty, D. Gilmore, Patrick Hascall, Sven Herrmann, Ivan Kotov, Paul O'Connor, Jacques Sebag, Christopher Stubbs, Michael Warner

Proceedings Volume 9147, 914774 (2014) https://doi.org/10.1117/12.2056605

KEYWORDS: Sensors, Charge-coupled devices, CCD image sensors, Large Synoptic Survey Telescope, Wavefront sensors, Electronics, Cameras, Clocks, Signal processing, Video

Read Abstract +

Proceedings Article | 22 July 2014 Paper

Paper

LSST telescope integration and tests

Jacques Sebag, William Gressler, Doug Neill, Jeff Barr, Chuck Claver, John Andrew

Proceedings Volume 9145, 91454A (2014) https://doi.org/10.1117/12.2055241

KEYWORDS: Mirrors, Telescopes, Cameras, Optical fabrication, Large Synoptic Survey Telescope, Coating, Domes, Optical testing, Wavefront sensors, Monochromatic aberrations

Read Abstract +

Proceedings Article | 22 July 2014 Paper

Paper

LSST Telescope and site status

W. Gressler, J. DeVries, E. Hileman, D. Neill, J. Sebag, O. Wiecha, J. Andrew, P. Lotz, W. Schoening

Proceedings Volume 9145, 91451A (2014) https://doi.org/10.1117/12.2056711

KEYWORDS: Mirrors, Large Synoptic Survey Telescope, Telescopes, Cameras, Control systems, Actuators, Imaging systems, Coating, Optical fabrication, Calibration

Read Abstract +

Proceedings Article | 22 July 2014 Paper

Paper

Baseline design of the LSST telescope mount assembly

Douglas Neill, Ed Hileman, Jacques Sebag, William Gressler, Oliver Wiecha, Michael Warner, John Andrew, Bill Schoening

Proceedings Volume 9145, 914518 (2014) https://doi.org/10.1117/12.2056432

KEYWORDS: Telescopes, Mirrors, Large Synoptic Survey Telescope, Cameras, Optical instrument design, Domes, Control systems, Interfaces, Capacitors, Space telescopes

Read Abstract +

Proceedings Article | 22 July 2014 Paper

Paper

Baseline design and requirements for the LSST rotating enclosure (dome)

D. Neill, J. DeVries, E. Hileman, J. Sebag, W. Gressler, O. Wiecha, J. Andrew, W. Schoening

Proceedings Volume 9145, 91454O (2014) https://doi.org/10.1117/12.2056521

KEYWORDS: Telescopes, Camera shutters, Domes, Large Synoptic Survey Telescope, Space telescopes, Capacitors, Mirrors, Stray light, Control systems, Bridges

Read Abstract +

Proceedings Article | 22 July 2014 Paper

Paper

Calibration systems for LSST

Jacques Sebag, William Gressler, Ming Liang, Tim Axelrod, Chuck Claver, John Andrew

Proceedings Volume 9145, 91453L (2014) https://doi.org/10.1117/12.2055232

KEYWORDS: Calibration, Telescopes, Large Synoptic Survey Telescope, Cameras, Space telescopes, Optical filters, Projection systems, Mirrors, Spectrographs, Photodiodes

Read Abstract +

Proceedings Article | 18 July 2014 Paper

Paper

Baseline design of the LSST hexapods and rotator

Douglas Neill, Ryan Sneed, Jake Dawson, Jacques Sebag, Willaim Gressler

Proceedings Volume 9151, 91512B (2014) https://doi.org/10.1117/12.2056799

KEYWORDS: Cameras, Telescopes, Mirrors, Actuators, Electronics, Large Synoptic Survey Telescope, Spindles, Control systems, Interfaces, Space telescopes

Read Abstract +

Proceedings Article | 25 September 2012 Paper

Paper

Wind responses of the LSST secondary mirror

Myung Cho, Konstantinos Vogiatzis, Jacques Sebag, Douglas Neill

Proceedings Volume 8449, 844905 (2012) https://doi.org/10.1117/12.926649

KEYWORDS: Mirrors, Large Synoptic Survey Telescope, Telescopes, Adaptive optics, Image quality, Systems modeling, Wind energy, Active optics, Actuators, Finite element methods

Read Abstract +

Proceedings Article | 25 September 2012 Paper

Paper

LSST summit enclosure-facility design optimization using aero-thermal modeling

J. Sebag, K. Vogiatzis, J. Barr, D. Neill

Proceedings Volume 8449, 844904 (2012) https://doi.org/10.1117/12.925446

KEYWORDS: Buildings, Large Synoptic Survey Telescope, Turbulence, Telescopes, Thermal modeling, Thermography, Camera shutters, Optimization (mathematics), Device simulation, Systems modeling

Read Abstract +

Proceedings Article | 17 September 2012 Paper

Paper

LSST secondary mirror assembly baseline design

Douglas Neill, William Gressler, Jacques Sebag, Oliver Wiecha, Mike Warner, Bill Schoening, Joe DeVries, John Andrew, German Schumacher, Edward Hileman

Proceedings Volume 8444, 84440J (2012) https://doi.org/10.1117/12.926654

KEYWORDS: Mirrors, Actuators, Control systems, Telescopes, Large Synoptic Survey Telescope, Sensors, Mirror structures, Optical fabrication, Electronics, Cameras

Read Abstract +

Proceedings Article | 17 September 2012 Paper

Paper

Surface layer turbulence measurements on the LSST site El Peñon using microthermal sensors and the lunar scintillometer LuSci

J. Sebag, P. Zimmer, J. Turner, J. McGraw, V. Krabbendam, A. Tokovinin, Edison Bustos, M. Warner, O. Wiecha

Proceedings Volume 8444, 844469 (2012) https://doi.org/10.1117/12.927017

KEYWORDS: Sensors, Telescopes, Turbulence, Large Synoptic Survey Telescope, Stereolithography, Electroluminescence, Optical turbulence, Observatories, Data acquisition, Resistance

Read Abstract +

Proceedings Article | 17 September 2012 Paper

Paper

Initial alignment and commissioning plan for the LSST

William Gressler, Jacques Sebag, Chuck Claver

Proceedings Volume 8444, 844444 (2012) https://doi.org/10.1117/12.926657

KEYWORDS: Telescopes, Cameras, Mirrors, Large Synoptic Survey Telescope, Space telescopes, Monochromatic aberrations, Optical alignment, Optical testing, Active optics, System integration

Read Abstract +

Proceedings Article | 17 September 2012 Paper

Paper

Seismic design accelerations for the LSST telescope

Douglas Neill, Mike Warner, Jacques Sebag

Proceedings Volume 8444, 84440R (2012) https://doi.org/10.1117/12.926264

KEYWORDS: Telescopes, Large Synoptic Survey Telescope, Optical instrument design, Gemini Observatory, Astronomical telescopes, Earthquakes, Actinium, Resonators, Neodymium, Lanthanum

Read Abstract +

Proceedings Article | 6 August 2010 Paper

Paper

LSST all-sky IR camera cloud monitoring test results

Jacques Sebag, John Andrew, Dimitri Klebe, Ronald Blatherwick

Proceedings Volume 7733, 773348 (2010) https://doi.org/10.1117/12.856337

KEYWORDS: Clouds, Black bodies, Infrared cameras, Cameras, Calibration, Infrared imaging, Optical filters, Image filtering, Large Synoptic Survey Telescope, Visible radiation

Read Abstract +

Proceedings Article | 4 August 2010 Paper

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

Read Abstract +

Proceedings Article | 4 August 2010 Paper

Paper

LSST camera heat requirements using CFD and thermal seeing modeling

Jacques Sebag, Konstantinos Vogiatzis

Proceedings Volume 7738, 77380D (2010) https://doi.org/10.1117/12.857144

KEYWORDS: Cameras, Mirrors, Telescopes, Large Synoptic Survey Telescope, Thermal modeling, Computational fluid dynamics, Heat flux, Turbulence, Wind energy, Control systems design

Read Abstract +

Proceedings Article | 4 August 2010 Paper

Paper

LSST Telescope guider loop requirements analysis and predicted performance

Michael Warner, Vincent Riot, Jacques Sebag

Proceedings Volume 7738, 77381U (2010) https://doi.org/10.1117/12.858287

KEYWORDS: Large Synoptic Survey Telescope, Atmospheric modeling, Servomechanisms, Sensors, Telescopes, Stars, Systems modeling, Atmospheric sensing, Cameras, Atmospheric optics

Read Abstract +

Proceedings Article | 28 July 2008 Paper

Paper

LuSci: a lunar scintillometer to study ground layer turbulence

Jayadev Rajagopal, A. Tokovinin, E. Bustos, J. Sebag

Proceedings Volume 7013, 70131P (2008) https://doi.org/10.1117/12.789042

KEYWORDS: Turbulence, Scintillation, Sensors, Data modeling, Adaptive optics, Interferometry, Error analysis, Instrument modeling, Wind measurement, Velocity measurements

Read Abstract +

Proceedings Article | 10 July 2008 Paper

Paper

LSST IR camera for cloud monitoring and observation planning

Jacques Sebag, Victor Krabbendam, Charles Claver, John Andrew, Jeffrey Barr, Dimitri Klebe

Proceedings Volume 7012, 70123W (2008) https://doi.org/10.1117/12.789570

KEYWORDS: Cameras, Infrared cameras, Clouds, Black bodies, Optical filters, Image filtering, Large Synoptic Survey Telescope, Infrared imaging, Telescopes, Visible radiation

Read Abstract +

Proceedings Article | 10 July 2008 Paper

Paper

Wind induced image degradation (jitter) of the LSST telescope

Douglas Neill, Jacques Sebag, Michael Warner, Victor Krabbendam

Proceedings Volume 7012, 70120W (2008) https://doi.org/10.1117/12.790025

KEYWORDS: Cameras, Mirrors, Telescopes, Finite element methods, Phase modulation, Large Synoptic Survey Telescope, Shape memory alloys, Gemini Observatory, Optical fabrication, Image quality

Read Abstract +

Proceedings Article | 6 July 2006 Paper

Paper

LSST reflective coating studies

Jacques Sebag, Victor Krabbendam, Gary Poczulp, Douglas Neill, Tomislav Vucina, Maxime Boccas

Proceedings Volume 6273, 62730X (2006) https://doi.org/10.1117/12.670611

KEYWORDS: Coating, Reflectivity, Silver, Large Synoptic Survey Telescope, Aluminum, Mirrors, Gemini Observatory, Telescopes, Observatories, Statistical analysis

Read Abstract +

Proceedings Article | 23 June 2006 Paper

Paper

LSST site evaluation

Jacques Sebag, Victor Krabbendam, Chuck Claver, Jeff Barr, Joshua Barr, Jeff Kantor, Abhijt Saha, D. André Erasmus

Proceedings Volume 6267, 62671R (2006) https://doi.org/10.1117/12.670615

KEYWORDS: Large Synoptic Survey Telescope, Clouds, Satellites, Telescopes, Cameras, Observatories, Stars, Climatology, Sodium, Data modeling

Read Abstract +

Proceedings Article | 29 September 2004 Paper

Paper

LSST mirror thermal performance

Brian Cuerden, Jacques Sebag, Steve West

Proceedings Volume 5495, (2004) https://doi.org/10.1117/12.550641

KEYWORDS: Mirrors, Telescopes, Large Synoptic Survey Telescope, Distortion, Observatories, Temperature metrology, Cameras, Thermal modeling, Thermal analysis, Thermography

Read Abstract +

Proceedings Article | 29 September 2004 Paper

Paper

LSST primary, secondary, and tertiary mirror support systems

Brian Cuerden, Jacques Sebag, Scott Mathews, Myung Cho, Joon Lee, Steven West

Proceedings Volume 5495, (2004) https://doi.org/10.1117/12.550637

KEYWORDS: Mirrors, Actuators, Large Synoptic Survey Telescope, Monochromatic aberrations, Finite element methods, Error analysis, Interfaces, Telescopes, Observatories, Astronomy

Read Abstract +

Proceedings Article | 29 September 2004 Paper

Paper

LSST structural design

Warren Davison, Mario Rascon, Brian Cuerden, Jacques Sebag, Chuck Claver, Gary Muller, Larry Daggert

Proceedings Volume 5495, (2004) https://doi.org/10.1117/12.552233

KEYWORDS: Telescopes, Mirrors, Large Synoptic Survey Telescope, Structural design, Observatories, Astronomy, Servomechanisms, Finite element methods, Mirror pointing, Instrument modeling

Read Abstract +

Proceedings Article | 28 September 2004 Paper

Paper

Project status of the 8.4-m LSST

Charles Claver, Donald Sweeney, John Tyson, Bryan Althouse, Timothy Axelrod, Kem Cook, Larry Daggert, Jeffrey Kantor, Steven Kahn, Victor Krabbendam, Philip Pinto, Jacques Sebag, C. Stubbs, Sidney Wolff

Proceedings Volume 5489, (2004) https://doi.org/10.1117/12.561728

KEYWORDS: Large Synoptic Survey Telescope, Telescopes, Cameras, Mirrors, Optical instrument design, Imaging systems, Astronomy, Solar system, Optical filters, Stars

Read Abstract +

Proceedings Article | 7 February 2003 Paper

Paper

MCAO for Gemini South

Brent Ellerbroek, Francois Rigaut, Brian Bauman, Corinne Boyer, Stephen Browne, Richard Buchroeder, James Catone, Paul Clark, Celine d'Orgeville, Donald Gavel, Glen Herriot, Mark Hunten, Eric James, Edward Kibblewhite, Iain McKinnie, James Murray, Didier Rabaud, Leslie Saddlemyer, Jacques Sebag, James Stillburn, John Telle, Jean-Pierre Veran

Proceedings Volume 4839, (2003) https://doi.org/10.1117/12.459692

KEYWORDS: Adaptive optics, Telescopes, Gemini Observatory, Control systems, Laser guide stars, Stars, Laser safety, Mirrors, Laser systems engineering, Safety

Read Abstract +

Proceedings Article | 7 February 2003 Paper

Paper

Implementation of a laser traffic control system supporting laser guide star adaptive optics on Mauna Kea

Douglas Summers, Brooke Gregory, Paul Stomski, Allan Brighton, Richard Wainscoat, Peter Wizinowich, Wolfgang Gaessler, Jacques Sebag, Corinne Boyer, Tom Vermeulen, Tony Denault, Doug Simons, Hideki Takami, Christian Veillet

Proceedings Volume 4839, (2003) https://doi.org/10.1117/12.459062

KEYWORDS: Telescopes, Laser guide stars, Space telescopes, Observatories, Gemini Observatory, Sodium, Control systems, Software development, Astronomy, Adaptive optics

Read Abstract +

Proceedings Article | 4 February 2003 Paper

Paper

Gemini wavefront sensing subsystems

Corinne Boyer, Jacques Sebag, Francois Rigaut, Simon Chan, Christopher Carter

Proceedings Volume 4837, (2003) https://doi.org/10.1117/12.457996

KEYWORDS: Wavefront sensors, Telescopes, Mirrors, Gemini Observatory, Sensors, Active optics, Control systems, Stars, Charge-coupled devices, Collimators

Read Abstract +

Proceedings Article | 4 February 2002 Paper

Paper

Gemini MCAO control system

Corinne Boyer, Jacques Sebag, Mark Hunten, Leslie Saddlemyer

Proceedings Volume 4494, (2002) https://doi.org/10.1117/12.454790

KEYWORDS: Control systems, Mirrors, Adaptive optics, Telescopes, Servomechanisms, Camera shutters, Cameras, Actuators, Gemini Observatory, Wavefront sensors

Read Abstract +

Proceedings Article | 7 July 2000 Paper

Paper

Gemini prime focus wavefront sensor

Jacques Sebag, Dolores Walther, Pedro Gigoux, Jacobus Oschmann, Charles Cavedoni

Proceedings Volume 4007, (2000) https://doi.org/10.1117/12.390350

KEYWORDS: Wavefront sensors, Mirrors, Telescopes, Gemini Observatory, Cameras, Calibration, Monochromatic aberrations, Active optics, Image quality, Control systems

Read Abstract +

Proceedings Article | 27 September 1999 Paper

Paper

Gemini Mauna Kea laser guide star system

Celine D'Orgeville, Mark Chun, Jacques Sebag, Corinne Boyer, David Montgomery, Jacobus Oschmann, Francois Rigaut, Douglas Simons

Proceedings Volume 3762, (1999) https://doi.org/10.1117/12.363570

KEYWORDS: Telescopes, Adaptive optics, Sodium, Laser guide stars, Photons, Pulsed laser operation, Chemical species, Gemini Observatory, Continuous wave operation, Laser systems engineering

Read Abstract +

Showing 5 of 64 publications

SIGN IN TO:

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Advertisement

Advertisement