Dr. Gaston Gausachs Profile

Dr. Gaston Gausachs

SPIE Involvement:

Author

Publications (34)

Proceedings Article | 28 August 2024 Poster

WST - Widefield Spectroscopic Telescope: design of a new 12m class telescope dedicated to widefield multi-object and integral field spectroscopy

P. Dierickx, T. Travouillon, G. Gausachs, R. Bacon, C. Cudennec, I. Bryson, D. Lee, J. Kragt, E. Muslimov, K. Dohlen, J. Kosmalski, J. Vernet, T. Lépine, P. Doel, D. Brooks

Proceedings Volume 13094, 1309431 (2024) https://doi.org/10.1117/12.3018518

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Proceedings Article | 28 August 2024 Presentation

MAVIS: progress toward the final design review

François Rigaut, David Brodrick, Richard McDermid, Jennifer Burgess, Giovanni Cresci, Simon Ellis, Trevor Mendel, Jessica Zheng, Nuria Lorente, Ross Zhelem, Summer Luo, Timothy Chin, Anthony Horton, Helen McGregor, Lew Waller, Scott Smedley, Nuwanthika Fernando, Antony Galla, Brian Taylor, Israel Vaughn, Julien Bernard, Nicolas Doucet, Annino Vaccarella, Davide Greggio, Dionne Haynes, Gaston Gausachs, Jesse Cranney, Pierre Haguenauer, Stefan Stroebele, Cedric Plantet, Enrico Pinna, Guido Agapito, Luca Marafatto, Marco Bonaglia, Andrea Bianco, Alessio Zanutta, Matteo Aliverti, Mirko Colapietro, Pietro Schipani, Sergio D’Orsi, Salvatore Savarese, Kalyan Radhakrishnan, Rosanna Sordo, Andrea Baruffolo, Andrea Balestra, Bernardo Salasnich, Daniela Fantinel, Damien Gratadour, Daniele Vassallo, Oleksandra Rebrysh, Maria Bergomi, Marco Gullieuszik, Simonetta Chinellato, Valentina Viotto, Elia Costa, Benoit Neichel, Romain Fetick, Roger Haynes, Sam Wade, Tristan Monnier, Max Hewlett, Mojtaba Taheri

Proceedings Volume 13097, 130970I (2024) https://doi.org/10.1117/12.3019264

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Proceedings Article | 27 August 2024 Poster + Paper

MAVIS: the verification test bench

Oleksandra Rebrysh, Davide Greggio, Stefan Stroebele, Hana Benhizia, Luca Marafatto, Dionne Haynes, Valentina Viotto, François Rigaut, David Brodrick, Enrico Pinna, Guido Agapito, Israel Vaughn, Gaston Gausachs

Proceedings Volume 13097, 1309730 (2024) https://doi.org/10.1117/12.3018479

KEYWORDS: Optical design, Design, Adaptive optics, Wavefront errors, Telescopes, Lenses, Deformable mirrors, Error control coding, Visible radiation, Observational astronomy

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Proceedings Article | 27 August 2024 Poster + Paper

MAVIS: optical and mechanical design overview of the LGS WFS carousel

Brian Taylor, Tony Galla, Davide Greggio, Guido Agapito, Matteo Aliverti, David Brodrick, Jesse Cranney, Gaston Gausachs, Pierre Haguenauer, Cédric Plantet, Stefan Strobele, Valentina Viotto, François Rigaut

Proceedings Volume 13097, 130976T (2024) https://doi.org/10.1117/12.3019765

KEYWORDS: Wavefront sensors, Spindles, Design, Cameras, Mirrors, Laser guide stars, Interfaces, Adaptive optics, Bragg cells, Tolerancing

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Proceedings Article | 20 August 2024 Poster + Paper

MAVIS: mechanical design and prototyping of the adaptive optics module toward the FDR

Matteo Aliverti, Simone Doniselli, Davide Greggio, Oleksandra Rebrysh, Mirko Colapietro, Gaston Gausachs, Valentina Viotto, Bryan Taylor, Antony Galla, Dionne Haynes, Luca Marafatto, Maria Bergomi, David Brodrick, Francois Rigaut

Proceedings Volume 13096, 130968X (2024) https://doi.org/10.1117/12.3020276

KEYWORDS: Design, Prototyping, Adaptive optics, Mirrors, Mechanical engineering, Optical components

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Proceedings Article | 18 July 2024 Poster + Paper

Upgrade of the Veloce high resolution spectrograph at the Anglo-Australian Telescope

Brian Taylor, David Brodrick, James Cameron, Mark Downing, Gaston Gausachs, Luke Gers, James Gilbert, Alexey Grigoriev, Dionne Haynes, Roger Haynes, Andrew Kruse, Ian Price, Israel Vaughn, Lu Wang, Chris Tinney

Proceedings Volume 13096, 1309645 (2024) https://doi.org/10.1117/12.3019731

KEYWORDS: Charge-coupled devices, Cryostats, Spectrographs, Cameras, Equipment, Aspheric lenses, Optics manufacturing, Vacuum, Windows, Manufacturing

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Proceedings Article | 18 July 2024 Poster + Paper

MAVIS: control electronics design of the adaptive optics module

M. Colapietro, S. Savarese, P. Schipani, S. D'Orsi, G. Capasso, L. Marty, R. Zanmar Sanchez, M. Aliverti, E. Costa, B. Salasnich, V. Viotto, M. Bergomi, K. Radhakrishnan, E. Pinna, M. Bonaglia, S. Ströbele, A. Vaccarella, L. Waller, B. Taylor, D. Brodrick, G. Gausachs, F. Rigaut

Proceedings Volume 13096, 130968Y (2024) https://doi.org/10.1117/12.3018905

KEYWORDS: Control systems, Adaptive optics, Design, Equipment, Cameras, Wavefront sensors, Telescopes, Sensors

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Proceedings Article | 30 August 2022 Presentation + Paper

MAVIS: preliminary design of the adaptive optics module

Valentina Viotto, Enrico Pinna, Guido Agapito, Matteo Aliverti, Carmelo Arcidiacono, Andrea Balestra, Andrea Baruffolo, Olivier Beltramo-Martin, Maria Bergomi, Marco Bonaglia, Runa Briguglio, Giulio Capasso, Luca Carbonaro, Elena Carolo, Simonetta Chinellato, Mirko Colapietro, Elia Costa, Jesse Cranney, Ciro Del Vecchio, Simone Doniselli, Sergio D'Orsi, Daniela Fantinel, Jacopo Farinato, Thierry Fusco, Antony Galla, Gaston Gausachs, Paolo Grani, Damien Gratadour, Davide Greggio, Pierre Haguenauer, Nick Herrald, Demetrio Magrin, Luca Marafatto, Benoit Neichel, Cedric Plantet, Alfio Puglisi, Kalyan Radhakrishnan, Fabio Rossi, Bernardo Salasnich, Salvatore Savarese, Pietro Schipani, Chiara Selmi, Rosanna Sordo, Stefan Ströbele, Brian Taylor, Annino Vaccarella, Daniele Vassallo, Simone Esposito, Roberto Ragazzoni, David Brodrick, Jennifer Burgess, François Rigaut

Proceedings Volume 12185, 1218520 (2022) https://doi.org/10.1117/12.2629441

KEYWORDS: Calibration, Adaptive optics, Point spread functions, Actuators, Wavefront sensors, Imaging systems, Sodium, Wavefronts, Telescopes

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Proceedings Article | 29 August 2022 Poster + Paper

MAVIS: preliminary design overview of the AOM control electronics

M. Colapietro, P. Schipani, S. Savarese, G. Capasso, S. D'Orsi, L. Marty, M. Aliverti, E. Costa, B. Salasnich, V. Viotto, M. Bergomi, S. Chinellato, M. Bonaglia, E. Pinna, P. Grani, T. Lapucci, A. Vaccarella, D. Brodrick, G. Gausachs, F. Rigaut

Proceedings Volume 12184, 121843S (2022) https://doi.org/10.1117/12.2629040

KEYWORDS: Bragg cells, Control systems, Electronics, Cameras, Sensors, Photonic integrated circuits, Computer programming, Prototyping, Mirrors, Imaging systems

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Proceedings Article | 29 August 2022 Poster + Paper

MAVIS: preliminary mechanical design overview of the adaptive optics module

Matteo Aliverti, Simone Doniselli, Gaston Gausachs, Davide Greggio, Valentina Viotto, Bryan Taylor, Antony Galla, Nicholas Herrald, Warrick Schofield, Dionne Haynes, Luca Marafatto, Maria Bergomi, Simonetta Chinellato

Proceedings Volume 12184, 1218441 (2022) https://doi.org/10.1117/12.2630068

KEYWORDS: Mirrors, Cameras, Adhesives, Aluminum, Optical components, Adaptive optics, Spectrographs, Objectives, Thermal analysis, Astronomical adaptive optics

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Proceedings Article | 13 December 2020 Paper

MAVIS conceptual design

François Rigaut, Richard McDermid, Giovanni Cresci, Valentina Viotto, Simon Ellis, David Brodrick, Guido Agapito, Thierry Fusco, Benoit Neichel, Pierre Haguenauer, Cedric Plantet, Bernardo Salasnich, Matteo Aliverti, Simone Antoniucci, Andrea Balestra, Andrea Baruffolo, Olivier Beltramo-Martin, Maria Bergomi, Andrea Blanco, Marco Bonaglia, Giuseppe Bono, Lorenzo Busoni, Elena Carolo, Simonetta Chinellato, Robert Content, Jesse Cranney, Gayandhi de Silva, Simone Esposito, Daniela Fantinel, Jacopo Farinato, Dionne Haynes, Anthony Horton, Gaston Gausachs, James Gilbert, Damien Gratadour, Davide Greggio, Marco Gullieuszik, Visa Korkiakoski, Demetrio Magrin, Laura Magrini, Luca Marafatto, Helen McGregor, Trevor Mendel, Stephanie Monty, Fernando Pedichini, Enrico Pinna, Elisa Portaluri, Kalyan Radhakrishnan, Roberto Ragazzoni, David Robertson, Christian Schwab, Stefan Ströbele, Elliott Thorn, Annino Vaccarella, Daniele Vassallo, Lew Waller, Frédéric Zamkotsian, Alesso Zanutta, Hao Zhang

Proceedings Volume 11447, 114471R (2020) https://doi.org/10.1117/12.2561886

KEYWORDS: Visible radiation, James Webb Space Telescope, Observatories, Adaptive optics, Large telescopes, Spectrographs, Spatial resolution, Hubble Space Telescope, Telescopes

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Proceedings Article | 13 December 2020 Poster + Paper

MAVIS: science case, imager, and spectrograph

Simon Ellis, Richard McDermid, Giovanni Cresci, Christian Schwab, Francois Rigaut, Timothy Chin, Robert Content, Anthony Horton, Mahesh Mohanan, Helen McGregor, Jacob Pember, David Robertson, Lew Waller, Ross Zhelem, Stephanie Monty, Trevor Mendel, Matteo Aliverti, Guido Agapito, Simone Antoniucci, Andrea Balestra, Andrea Baruffolo, Maria Bergomi, Andrea Bianco, Marco Bonaglia, Guiseppe Bono, Jean-Claude Bouret, David Brodrick, Lorenzo Busoni, Elena Carolo, Simonetta Chinellato, Jess Cranney, Gayandhi De Silva, Simone Esposito, Daniela Fantinel, Jacopo Farinato, Thierry Fusco, Gaston Gausachs, James Gilbert, Damien Gratadour, Davide Gerggio, Marco Gullieuszik, Pierre Haguenauer, Dionne Haynes, Visa Korkiakoski, Demetrio Magrin, Laura Magrini, Luca Marafatto, Benoit Neichel, Fernando Pedichini, Enrico Pinna, Cedric Plantet, Elisa Portaluri, Kalyan Radhakrishnan, Roberto Ragazzoni, Bernado Salasnich, Stefan Ströbele, Elliott Thorn, Annino Vaccarella, Daniele Vassallo, Valentina Viotto, Frédéric Zamkotsian, Alessio Zanutta, Hao Zhang

Proceedings Volume 11447, 11447A0 (2020) https://doi.org/10.1117/12.2561930

KEYWORDS: Imaging systems, Spectrographs, Visible radiation, Adaptive optics, Stars, Galactic astronomy, Image quality, V band, Spectral resolution, Spatial resolution

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Proceedings Article | 13 December 2020 Presentation + Paper

MAVIS: the adaptive optics module feasibility study

Valentina Viotto, Guido Agapito, Davide Greggio, Cedric Plantet, Enrico Pinna, Matteo Aliverti, Carmelo Arcidiacono, Olivier Beltramo-Martin, Maria Bergomi, Marco Bonaglia, Lorenzo Busoni, Elena Carolo, Simonetta Chinellato, Jesse Cranney, Jacopo Farinato, Thierry Fusco, Gaston Gausachs, Damien Gratadour, Pierre Haguenauer, Demetrio Magrin, Luca Marafatto, Benoit Neichel, Kalyan Radhakrishnan, Stefan Ströbele, Annino Vaccarella, Daniele Vassallo, Simone Esposito, Roberto Ragazzoni, David Brodrick, Francois Rigaut

Proceedings Volume 11448, 114480D (2020) https://doi.org/10.1117/12.2561041

KEYWORDS: Adaptive optics, Bragg cells, Error analysis, Visible radiation, Optomechanical design, Optical instrument design, Imaging systems, Spectrographs, Large telescopes, Spatial frequencies

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Proceedings Article | 3 January 2020 Paper

Vibration measurement and mount design for cryocoolers on GMT and large telescopes

D. Adams, A. Vaccarella, W. Schofield, R. Sharp, J. Gilbert, G. Gausachs

Proceedings Volume 11203, 1120314 (2020) https://doi.org/10.1117/12.2539923

KEYWORDS: Cryocoolers, Optical instrument design, Large telescopes, Telescopes, Vibrometry, Signal attenuation, Observatories, Adaptive optics

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Proceedings Article | 12 July 2018 Paper

Cryogenic detector preamplifer developments at the ANU

Annino Vaccarella, Robert Sharp, Michael Ellis, Antonin Bouchez, Rodolphe Conan, R. Boz, David Bundy, Gaston Gausachs, James Gilbert, Luke Gers, John Hart, Nick Herrald, Michael Ireland, Jon Nielsen, Ian Price, Colin Vest, Henry Zovaro

Proceedings Volume 10709, 1070923 (2018) https://doi.org/10.1117/12.2313023

KEYWORDS: Cryogenics, Sensors, Charge-coupled devices, Detector development, Avalanche photodetectors, Imaging systems, Optical filters, Spectrographs, Telescopes, Copper

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Proceedings Article | 10 July 2018 Presentation + Paper

A conceptual design study for Subaru ULTIMATE GLAO

François Rigaut, Yosuke Minowa, Masayuki Akiyama, Yoshito Ono, Visa Korkiakoski, Nick Herrald, Gaston Gausachs, Christophe Clergeon, Shiang-Yu Wang, Céline d'Orgeville, Jordan Davies, Yusei Koyama, Ikuru Iwata, Tadayuki Kodama, Kentrao Motohara, Yutaka Hayano, Ichi Tanaka, Takashi Hattori, Michitoshi Yoshida

Proceedings Volume 10703, 1070324 (2018) https://doi.org/10.1117/12.2314085

KEYWORDS: Telescopes, Adaptive optics, Spectrographs, Wavefront sensors, Monte Carlo methods, Near infrared, Imaging systems, Stars, Astronomical imaging, Turbulence

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Proceedings Article | 10 July 2018 Paper

Testing a prototype rotary mechanism for GMTIFS

I. Price, J. Hart, E. O'Brien, R. Sharp, G. Gausachs, G. Bloxham, C. Vest, J. Gilbert, B. Espeland

Proceedings Volume 10706, 107063M (2018) https://doi.org/10.1117/12.2312337

KEYWORDS: Sensors, Content addressable memory, Distance measurement, Prototyping, Autocollimators, Reticles, Temperature metrology, Calibration, Control systems, Cryogenics

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Proceedings Article | 6 July 2018 Presentation + Paper

Design evolution of the Giant Magellan Telescope Integral Field Spectrograph, GMTIFS

R. Sharp, D. Adams, G. Bloxham, R. Boz, D. Bundy, D. Chandler, G. Gausachs, L. Gers, J. Hart, N. Herrald, J. Nielsen, E. O'Brien, C. Onken, I. Price, A. Vaccarella, C. Vest, P. Young

Proceedings Volume 10702, 107021V (2018) https://doi.org/10.1117/12.2313010

KEYWORDS: Sensors, Adaptive optics, Imaging systems, Spectrographs, Optical benches, Iterated function systems, Wavefront sensors, Prototyping, Telescopes, Optical design

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Proceedings Article | 6 July 2018 Presentation + Paper

Veloce Rosso: Australia's new precision radial velocity spectrograph

James Gilbert, Christoph Bergmann, Gabe Bloxham, Robert Boz, Robert Brookfield, Tom Carkic, Brad Carter, Scott Case, Vladimir Churilov, Michael Ellis, Gaston Gausachs, Luke Gers, Doug Gray, Nicholas Herrald, Michael Ireland, Damien Jones, Yevgen Kripak, Jon Lawrence, Ellie O'Brien, Ian Price, Matthew Robertson, Christian Schwab, Chris Tinney, Annino Vaccarella, Colin Vest, Duncan Wright, Ross Zhelem

Proceedings Volume 10702, 107020Y (2018) https://doi.org/10.1117/12.2312399

KEYWORDS: Spectrographs, Sensors, Control systems, Calibration, Telescopes, Observatories, Optical benches, Relays, Image processing, Astronomy

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Proceedings Article | 6 July 2018 Paper

Veloce environmental control system

Gaston Gausachs, Robert Boz, Tom Carkic, Michael Ellis, James Gilbert, Nicholas Herrald, Michael Ireland, Ellie O'Brien, Ian Price, Matthew Robertson, Colin Vest

Proceedings Volume 10702, 107026J (2018) https://doi.org/10.1117/12.2313162

KEYWORDS: Spectrographs, Control systems, Optical benches, Control systems design

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Proceedings Article | 27 July 2016 Paper

Characterizing the vibration environments of the Gemini telescopes

T. Hayward, M. Rippa, H. Bonnet, C. Cavedoni, R. Galvez, G. Gausachs, M. Cho

Proceedings Volume 9906, 99065N (2016) https://doi.org/10.1117/12.2232140

KEYWORDS: Cryocoolers, Mirrors, Telescopes, Gemini Observatory, Adaptive optics, Cryocoolers, Gemini Planet Imager, Mirrors, Fluctuations and noise, Chromium, Ions, Sensors

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Proceedings Article | 7 August 2014 Paper

Life with quintuplets: transitioning GeMS into regular operations

Vincent Garrel, Marcos Van Dam, Benoît Neichel, Fabrice Vidal, Gaetano Sivo, Eduardo Marin, Vanessa Montes, Andrew Serio, Gustavo Arriagada, Chadwick Trujillo, William Rambold, Pedro Gigoux, Ramon Galvez, Cristian Moreno, Constanza Araujo Hauck, Tomislav Vucina Parga, Jeff Donahue, Claudio Marchant, Gaston Gausachs, Fabian Collao, Eleazar Carrasco Damele, Peter Pessev, Ariel Lopez

Proceedings Volume 9148, 914829 (2014) https://doi.org/10.1117/12.2056378

KEYWORDS: Adaptive optics, Stars, Gemini Observatory, Telescopes, Wavefront sensors, Electroluminescent displays, Laser guide stars, Actuators, K band, Software development

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The Gemini Multi-conjugate adaptive optics System (GeMS) at the Gemini South telescope in Cerro Pachon is the first sodium Laser Guide Star (LGS) adaptive optics (AO) system with multiple guide stars. It uses five LGSs and two deformable mirrors (DMs) to measure and compensate for distortions induced by atmospheric turbulence. After its 2012 commissioning phase, it is now transitioning into regular operations. Although GeMS has unique scientific capabilities, it remains a challenging instrument to maintain, operate and upgrade. In this paper, we summarize the latest news and results. First, we describe the engineering work done this past year, mostly during our last instrument shutdown in 2013 austral winter, covering many subsystems: an erroneous reconjugation of the Laser guide star wavefront sensor, the correction of focus field distortion for the natural guide star wavefront sensor and engineering changes dealing with our laser and its beam transfer optics. We also describe our revamped software, developed to integrate the instrument into the Gemini operational model, and the new optimization procedures aiming to reduce GeMS time overheads. Significant software improvements were achieved on the acquisition of natural guide stars by our natural guide star wavefront sensor, on the automation of tip-tilt and higher-order loop optimization, and on the tomographic non-common path aberration compensation. We then go through the current operational scheme and present the plan for the next years. We offered 38 nights in our last semester. We review the current system efficiency in term of raw performance, completed programs and time overheads. We also present our current efforts to merge GeMS into the Gemini base facility project, where night operations are all reliably driven from our La Serena headquarter, without the need for any spotter. Finally we present the plan for the future upgrades, mostly dedicated toward improving the performance and reliability of the system. Our first upgrade called NGS2, a project lead by the Australian National University, based a focal plane camera will replace the current low throughput natural guide wavefront sensor. On a longer term, we are also planning the (re-)integration of our third deformable mirror, lost during the early phase of commissioning. Early plans to improve the reliability of our laser will be presented.

Proceedings Article | 7 August 2014 Paper

On-sky vibration environment for the Gemini Planet Imager and mitigation effort

Markus Hartung, Tom Hayward, Les Saddlemyer, Lisa Poyneer, Andrew Cardwell, Chas Cavedoni, Myung Cho, Jeffrey Chilcote, Paul Collins, Daren Dillon, Ramon Galvez, Gaston Gausachs, Stephen Goodsell, Andrés Guesalaga, Pascale Hibon, James Larkin, Bruce Macintosh, Dave Palmer, Naru Sadakuni, Dmitry Savransky, Andrew Serio, Fredrik Rantakyrö, Kent Wallace

Proceedings Volume 9148, 91480N (2014) https://doi.org/10.1117/12.2057200

KEYWORDS: Gemini Planet Imager, Telescopes, Cryocoolers, Sensors, Mirrors, Gemini Observatory, Wavefronts, Adaptive optics, Observatories, Iterated function systems

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Proceedings Article | 6 August 2014 Paper

Gemini planet imager integration to the Gemini South telescope software environment

Fredrik Rantakyrö, Andrew Cardwell, Jeffrey Chilcote, Jennifer Dunn, Stephen Goodsell, Pascale Hibon, Bruce Macintosh, Carlos Quiroz, Marshall Perrin, Naru Sadakuni, Leslie Saddlemyer, Dmitry Savransky, Andrew Serio, Claudia Winge, Ramon Galvez, Gaston Gausachs, Kayla Hardie, Markus Hartung, Javier Luhrs, Lisa Poyneer, Sandrine Thomas

Proceedings Volume 9149, 91492B (2014) https://doi.org/10.1117/12.2055654

KEYWORDS: Gemini Planet Imager, Telescopes, Gemini Observatory, Control systems, Adaptive optics, Iterated function systems, Calibration, Human-machine interfaces, Databases, Logic

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Proceedings Article | 10 July 2014 Paper

Characterization of the atmospheric dispersion corrector of the Gemini planet imager

Pascale Hibon, Sandrine Thomas, Jennifer Dunn, Jennifer Atwood, Leslie Saddlemyer, Naru Sadakuni, Stephen Goodsell, Bruce Macintosh, James Graham, Marshall Perrin, Fredrik Rantakyro, Vincent Fesquet, Andrew Serio, Carlos Quiroz, Andrew Cardwell, Gaston Gausachs, Dmitry Savransky, Dan Kerley, Markus Hartung, Ramon Galvez, Kayla Hardie

Proceedings Volume 9147, 91474U (2014) https://doi.org/10.1117/12.2055545

KEYWORDS: Gemini Planet Imager, Prisms, Telescopes, Zemax, Gemini Observatory, Coronagraphy, Stars, Solids, Refraction, Data modeling

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Proceedings Article | 25 September 2012 Paper

Science readiness of the Gemini MCAO System: GeMS

Benoit Neichel, Franҫois Rigaut, Andrew Serio, Gustavo Arriagada, Maxime Boccas, Céline d'Orgeville, Vincent Fesquet, Chadwick Trujillo, William Rambold, Ramon Galvez, Gaston Gausachs, Tomislav Vucina, Vanessa Montes, Cristian Urrutia, Cristian Moreno, Sarah Diggs, Claudio Araya, Javier Lührs, Gelys Trancho, Matthieu Bec, Claudio Marchant, Fabian Collao, Eleazar Carrasco, Michelle Edwards, Peter Pessev, Ariel Lopez, Herman Diaz

Proceedings Volume 8447, 84474Q (2012) https://doi.org/10.1117/12.925285

KEYWORDS: Telescopes, Stars, Electroluminescent displays, Gemini Observatory, Adaptive optics, Sensors, Mirrors, Observatories, Beam splitters, Turbulence

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Proceedings Article | 13 September 2012 Paper

Science readiness of the Gemini MCAO system: GeMS

Benoit Neichel, François Rigaut, Andrew Serio, Gustavo Arriagada, Maxime Boccas, Céline d'Orgeville, Vincent Fesquet, Chadwick Trujillo, William Rambold, Ramon Galvez, Gaston Gausachs, Tomislav Vucina, Vanessa Montes, Cristian Urrutia, Cristian Moreno, Sarah Diggs, Claudio Araya, Javier Lührs, Gelys Trancho, Matthieu Bec, Claudio Marchant, Fabian Collao, Eleazar Carrasco, Michelle Edwards, Peter Pessev, Ariel Lopez, Hernan Diaz

Proceedings Volume 8447, 84470W (2012) https://doi.org/10.1117/12.925915

KEYWORDS: Telescopes, Stars, Electroluminescent displays, Gemini Observatory, Adaptive optics, Sensors, Mirrors, Observatories, Beam splitters, Turbulence

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Proceedings Article | 13 September 2012 Paper

GeMS first on-sky results

Franҫois Rigaut, Benoit Neichel, Maxime Boccas, Céline d'Orgeville, Gustavo Arriagada, Vincent Fesquet, Sarah Diggs, Claudio Marchant, Gaston Gausach, William Rambold, Javier Luhrs, Shane Walker, Eleazar Carrasco-Damele, Michelle Edwards, Peter Pessev, Ramon Galvez, Tomislav Vucina, Claudio Araya, Alejandro Gutierrez, Angelic Ebbers, Andrew Serio, Cristian Moreno, Cristian Urrutia, Rolando Rogers, Roberto Rojas, Chadwick Trujillo, Bryan Miller, Douglas Simons, Ariel Lopez, Vanessa Montes, Herman Diaz, Felipe Daruich, Felipe Colazo, Matthieu Bec, Gelys Trancho, Michael Sheehan, Peter McGregor, Peter Young, Matthew Doolan, Jan van Harmelen, Brent Ellerbroek, Damien Gratadour, Aurea Garcia-Rissmann

Proceedings Volume 8447, 84470I (2012) https://doi.org/10.1117/12.927061

KEYWORDS: Stars, Adaptive optics, Point spread functions, Error analysis, Calibration, Gemini Observatory, Actuators, Turbulence, Image quality, Observatories

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Proceedings Article | 28 July 2010 Paper

The Gemini MCAO System GeMS: nearing the end of a lab-story

B. Neichel, F. Rigaut, M. Bec, M. Boccas, F. Daruich, C. D'Orgeville, V. Fesquet, R. Galvez, A. Garcia-Rissmann, G. Gausachs, M. Lombini, G. Perez, G. Trancho, V. Upadhya, T. Vucina

Proceedings Volume 7736, 773606 (2010) https://doi.org/10.1117/12.856716

KEYWORDS: Adaptive optics, Telescopes, Calibration, Gemini Observatory, Actuators, Real-time computing, Laser guide stars, Data modeling, Laser systems engineering, Mirrors

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Proceedings Article | 21 July 2010 Paper

Design and implementation of an improved chilled water glycol system for GeMS: CANOPUS thermal enclosures

Gaston Gausachs, Matthieu Bec, Ramon Galvez, Chas Cavedoni, Vicente Vergara, Herman Diaz, German Fernandez

Proceedings Volume 7735, 77356D (2010) https://doi.org/10.1117/12.857338

KEYWORDS: Sensors, Fluctuations and noise, Gemini Observatory, Adaptive optics, Human-machine interfaces, Cooling systems, Deformable mirrors, Logic, Chemical elements, Telescopes

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Proceedings Article | 15 July 2008 Paper

The Gemini MCAO bench: system overview and lab integration

Matthieu Bec, Francois Rigaut, Ramon Galvez, Gustavo Arriagada, Maxime Boccas, Gaston Gausachs, Damien Gratadour, Eric James, Roberto Rojas, Rolando Rogers, Michael Sheehan, Gelys Trancho, Tomislav Vucina

Proceedings Volume 7015, 701568 (2008) https://doi.org/10.1117/12.790354

KEYWORDS: Gemini Observatory, Electronics, Telescopes, Real-time computing, Wavefront sensors, Mirrors, Sensors, Stars, Control systems, Laser guide stars

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Proceedings Article | 10 July 2008 Paper

The Gemini MCAO infrastructure: laser service enclosure and support structure

Charles Cavedoni, S. Bombino, M. Sheehan, S. Karewicz, S. Hardash, G. Perez, P. Collins, C. d'Orgeville, M. Boccas, D. Maltes, G. Gausachs, R. Rogers

Proceedings Volume 7012, 70122Y (2008) https://doi.org/10.1117/12.788926

KEYWORDS: Laser systems engineering, Telescopes, Gemini Observatory, Control systems, Standards development, Fluctuations and noise, Laser optics, Laser guide stars, Structural design, Laser safety

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Proceedings Article | 9 July 2008 Paper

Design and implementation of an improved chilled water glycol system for NICI array electronics thermal enclosure

Gaston Gausachs

Proceedings Volume 7014, 70146S (2008) https://doi.org/10.1117/12.790103

KEYWORDS: Electronics, Gemini Observatory, Fluctuations and noise, Adaptive optics, Telescopes, Manufacturing, Tellurium, Electronic components, Mechanical engineering, Near infrared

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Proceedings Article | 7 July 2008 Paper

GeMS: Gemini Mcao System: current status and commissioning plans

Maxime Boccas, François Rigaut, Damien Gratadour, Céline d'Orgeville, Matthieu Bec, Felipe Daruich, Gabriel Perez, Gustavo Arriagada, Stacy Bombino, Chris Carter, Chas Cavedoni, Fabian Collao, Paul Collins, Pablo Diaz, Angelic Ebbers, Ramon Galvez, Gaston Gausachs, Steve Hardash, Eric James, Stan Karewicz, Manuel Lazo, Diego Maltes, Ron Mouser, Rolando Rogers, Roberto Rojas, Michael Sheehan, Gelys Trancho, Vicente Vergara, Tomislav Vucina

Proceedings Volume 7015, 70150X (2008) https://doi.org/10.1117/12.788958

KEYWORDS: Telescopes, Gemini Observatory, Adaptive optics, Mirrors, Calibration, Laser stabilization, Sensors, Stars, Laser safety, Laser guide stars

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