Dr. Olivier Lardière Profile

Dr. Olivier Lardière

Optical Engineer at NRC-Herzberg Astronomy & Astrophysics

SPIE Involvement:

Author

Publications (70)

Proceedings Article | 15 May 2024 Paper

Optical design of the Gemini Infrared Multi-Object Integral-Field Spectrograph (GIRMOS)

Shaojie Chen, Suresh Sivanandam, Tristan Chabot, Olivier Lardière, Jenny Atwood, Denis Brousseau, Simon Thibault, Paul Hickson

Proceedings Volume 12798, 1279836 (2024) https://doi.org/10.1117/12.2692567

KEYWORDS: Iterated function systems, Spectrographs, Optical design, Design, Astronomical imaging, Infrared radiation, Gemini Observatory, Infrared spectroscopy, Wavefront errors, Adaptive optics

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Proceedings Article | 5 October 2023 Presentation + Paper

Upgrading the Gemini planet imager to GPI 2.0

Saavidra Perera, Jeffrey Chilcote, Quinn Konopacky, Joeleff Fitzsimmons, Randall Hamper, Bruce Macintosh, Christian Marois, Dmitry Savransky, Remi Soummer, Jean-Pierre Veran, Guido Agapito, Arlene Aleman, S. Mark Ammons, Marco Bonaglia, Marc-Andre Boucher, Joel Burke, Maeve Curliss, Robert De Rosa, Clarissa Do Ó, Jennifer Dunn, Simone Esposito, Guillaume Filion, Dan Kerley, Jean-Thomas Landry, Olivier Lardiere, Daniel Levinstein, Duan Li, Mary Anne Limbach, Alex Madurowicz, Jérôme Maire, Maxwell Millar-Blanchaer, Bryony Nickson, Eric Nielsen, Jayke Nguyen, Meiji Nguyen, Dillon Peng, Marshall Perrin, Emiel Por, Lisa Poyneer, Laurent Pueyo, Fredrik Rantakyrö, Brian Sands, Eckhart Spalding, Kaitlyn Summey

Proceedings Volume 12680, 1268001 (2023) https://doi.org/10.1117/12.2676960

KEYWORDS: Gemini Planet Imager, Wavefront sensors, Planets, Gemini Observatory, Equipment, Adaptive optics, Prisms, Cameras, Stars, Exoplanets

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Proceedings Article | 14 September 2023 Paper

Off-axis parabolic and ellipsoidal mirrors defined as freeform optics

Olivier Lardière, Denis Brousseau, Simon Thibault, Christian Marois

Proceedings Volume 12798, 1279834 (2023) https://doi.org/10.1117/12.2692565

KEYWORDS: Parabolic mirrors, Freeform optics, Off axis mirrors, Mirror surfaces, Point clouds, Optics manufacturing

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Proceedings Article | 30 August 2022 Poster + Paper

HEART: REVOLT RTC using Herzberg Extensible Adaptive Real-time Toolkit (HEART)

Darryl Gamroth, Edward Chapin, Jennifer Dunn, Lianne Mueller, Malcolm Smith, Tarun Kumar, Olivier Lardiere, Kate Jackson, Jean-Pierre Veran

Proceedings Volume 12185, 121856I (2022) https://doi.org/10.1117/12.2630206

KEYWORDS: Heart, Cameras, Adaptive optics, Deformable mirrors, Real-time computing, Wavefront sensors, Human-machine interfaces, Calibration, Wavefronts, Mirrors

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Proceedings Article | 30 August 2022 Poster + Paper

Pupil-plane LLOWFS simulation and laboratory results from NEW-EARTH’s high-contrast imaging testbed

Garima Singh, William Thompson, Olivier Lardière, Christian Marois, Mamadou N'Diaye, Adam Johnson, Jean-Pierre Véran, Glen Herriot, Benjamin Gerard, Qiang Fu, Wolfgang Heidrich

Proceedings Volume 12185, 1218553 (2022) https://doi.org/10.1117/12.2627977

KEYWORDS: Gemini Planet Imager, Coronagraphy, Sensors, Calibration, Exoplanets, Adaptive optics, Wavefront sensors, Wavefronts, Device simulation, Cameras

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Proceedings Article | 30 August 2022 Poster + Paper

Optical design of SPIDERS, a Subaru Pathfinder Instrument for Detecting Exoplanets and Retrieving Spectra

Olivier Lardière, Christian Marois, William Thompson, Garima Singh, Adam Johnson, Joeleff Fitzsimmons, Tim Hardy, Mamadou N'diaye, Wolfgang Heidrich, Qiang Fu, Denis Brousseau, Simon Thibault

Proceedings Volume 12185, 1218547 (2022) https://doi.org/10.1117/12.2629644

KEYWORDS: Cameras, Mirrors, Telescopes, Adaptive optics, Optical design, Wavefront sensors, Exoplanets, Coherence imaging

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Proceedings Article | 30 August 2022 Presentation + Paper

Performance of the Fast Atmospheric Self Coherent camera at the NEW-EARTH lab and a simplified measurement algorithm

William Thompson, Christian Marois, Garima Singh, Olivier Lardière, Benjamin Gerard, Qiang Fu, Wolfgang Heidrich

Proceedings Volume 12185, 121852C (2022) https://doi.org/10.1117/12.2630415

KEYWORDS: Calibration, Point spread functions, Sensors, Modulation transfer functions, Wavefronts, Actuators, Stars, Cameras, Planets, Wavefront sensors

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Proceedings Article | 30 August 2022 Presentation + Paper

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

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

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

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

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Proceedings Article | 30 August 2022 Poster + Paper

An on-sky test bench for the GIRMOS open-loop calibration procedures

Paolo Turri, Scott Chapman, Uriel Conod, Tarun Kumar, Olivier Lardière, Kate Jackson, Jean-Pierre Véran, David Andersen, Glen Herriot

Proceedings Volume 12185, 121854B (2022) https://doi.org/10.1117/12.2630570

KEYWORDS: Calibration, Adaptive optics, Telescopes, Wavefronts

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Proceedings Article | 30 August 2022 Poster + Paper

HEART: Gemini Planet Imager upgrade (GPI2.0) Real-Time Controller (RTC) using the Herzberg Extensible Adaptive Real-time Toolkit (HEART)

Dan Kerley, Jennifer Dunn, Jean-Pierre Véran, Lianne Muller, Edward Chapin, Malcolm Smith, Jonathan Stocks, Darryl Gamroth, B. Macintosh, Christian Marois, Olivier Lardière, Dmitry Savransky, ‪Joeleff Fitzsimmons, Quinn Konopacky, Jeffrey Chilcote

Proceedings Volume 12185, 121856H (2022) https://doi.org/10.1117/12.2630705

KEYWORDS: Heart, Real-time computing, Adaptive optics, Gemini Planet Imager, Gemini Observatory, Wavefronts, Wavefront sensors, Telescopes, Control systems, Calibration

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Proceedings Article | 30 August 2022 Paper

The multi-object adaptive optics system for the Gemini Infra-Red Multi-Object Spectrograph

Scott Chapman, Uriel Conod, Paolo Turri, Kate Jackson, Olivier Lardiere, Suresh Sivanandam, David Andersen, Carlos Correia, Masen Lamb, Colin Ross, Gaetano Sivo, Jean-Pierre Veran

Proceedings Volume 12185, 121853F (2022) https://doi.org/10.1117/12.2630645

KEYWORDS: Adaptive optics, Gemini Observatory, Spectrographs, Astronomical imaging, Tomography, Stars, Real-time computing, Device simulation, Telescopes, Multiplexing

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Proceedings Article | 30 August 2022 Poster + Paper

Blinking the fringes: initial development and results of the Ultra-Low Speed Optical Chopper for the Self-Coherent Camera

Adam Johnson, Christian Marois, Darryl Gamroth, Joeleff Fitzsimmons, Olivier Lardière, William Thompson, Garima Singh, Colin Bradley

Proceedings Volume 12185, 1218575 (2022) https://doi.org/10.1117/12.2630406

KEYWORDS: Stars, Imaging systems, Sensors, Optical choppers, Mechanical engineering, Cameras, Prototyping, Control systems, Optical instrument design, Wavefronts, Exoplanets

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Proceedings Article | 30 August 2022 Poster + Paper

Status of the GIRMOS MOAO demonstrator

U. Conod, O. Lardière, K. Jackson, S. Chapman, P. Turri, M. Lamb, S. Sivanandam, G. Herriot, J.-P. Véran

Proceedings Volume 12185, 121854A (2022) https://doi.org/10.1117/12.2627739

KEYWORDS: Spatial light modulators, Wavefronts, Calibration, Adaptive optics, Point spread functions, Cameras, Gemini Observatory, Telescopes, Astronomical imaging, Wavefront sensors

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Proceedings Article | 30 August 2022 Poster + Paper

GPI 2.0: pyramid wavefront sensor status

Saavidra Perera, Jérôme Maire, Clarissa Do Ó, Jayke Nguyen, Daniel Levinstein, Quinn Konopacky, Jeffrey Chilcote, Joeleff Fitzsimmons, Randall Hamper, Dan Kerley, Bruce Macintosh, Christian Marois, Fredrik Rantakyrö, Dmitry Savransky, Jean-Pierre Veran, Guido Agapito, S. Mark Ammons, Marco Bonaglia, Marc-Andre Boucher, Jennifer Dunn, Simone Esposito, Guillaume Filion, Jean Thomas Landry, Olivier Lardiere, Duan Li, Daren Dillon, Alex Madurowicz, Dillon Peng, Lisa Poyneer, Eckhart Spalding

Proceedings Volume 12185, 121854C (2022) https://doi.org/10.1117/12.2629062

KEYWORDS: Mirrors, Gemini Planet Imager, Wavefront sensors, Electron multiplying charge coupled devices, Adaptive optics, Modulation, Optics manufacturing, Gemini Observatory, Optical components, Cameras

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Proceedings Article | 29 August 2022 Presentation + Paper

GPI 2.0: upgrade status of the Gemini Planet Imager

Jeffrey Chilcote, Quinn Konopacky, Joeleff Fitzsimmons, Randall Hamper, Bruce Macintosh, Christian Marois, Dmitry Savransky, Remi Soummer, Jean-Pierre Véran, Guido Agapito, Arlene Aleman, S. Mark Ammons, Marco Bonaglia, Marc-Andre Boucher, Maeve Curliss, Robert De Rosa, Clarissa Do Ó, Jennifer Dunn, Simone Esposito, Guillaume Filion, Dan Kerley, Jean-Thomas Landry, Olivier Lardiere, Daniel Levinstein, Duan Li, Mary Anne Limbach, Alex Madurowicz, Jérôme Maire, Max Millar-Blanchaer, Bryony Nickson, Eric Nielsen, Jayke Nguyen, Meiji Nguyen, Dillon Peng, Saavidra Perera, Marshall Perrin, Emiel Por, Lisa Poyneer, Laurent Pueyo, Fredrik Rantakyrö, Brian Sands, Eckhart Spalding, Kaitlyn Summey

Proceedings Volume 12184, 121841T (2022) https://doi.org/10.1117/12.2630159

KEYWORDS: Gemini Planet Imager, Planets, Stars, Gemini Observatory, Adaptive optics, Prisms, Exoplanets, Iterated function systems, Wavefront sensors, Spectral resolution

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Proceedings Article | 29 August 2022 Presentation + Paper

Detailed performance of the preliminary optical design of the Gemini multi-object infrared integral-field spectrograph

Shaojie Chen, Tristan Chabot, Olivier Lardière, Denis Brousseau, Suresh Sivanandam, Simon Thibault, Jenny Atwood, Joschua Hellemeier, Paul Hickson, Scott Chapman, Saugata Dutt, Masen Lamb, Scott Christie, Mark Barnet, Martin Tschimmel, Patrick Nkwari, Gaetano Sivo

Proceedings Volume 12184, 121840E (2022) https://doi.org/10.1117/12.2629027

KEYWORDS: Spectrographs, Iterated function systems, Image quality, Spectral resolution, Adaptive optics, Mirrors, Diffraction, Optical design, Laser imaging, Sensors

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Proceedings Article | 29 August 2022 Poster

GPI 2.0: performance evaluation of the wavefront sensor’s EMCCD

Clarissa Do Ó, Saavidra Perera, Jérôme Maire, Jayke Nguyen, Daniel Levinstein, Quinn Konopacky, Jeffrey Chilcote, Joeleff Fitzsimmons, Randall Hamper, Dan Kerley, Bruce Macintosh, Christian Marois, Fredrik Rantakyrö, Dmitry Savransky, Jean-Pierre Véran, Guido Agapito, S. Mark Ammons, Marco Bonaglia, Marc-André Boucher, Jennifer Dunn, Simone Esposito, Guillaume Filion, Jean-Thomas Landry, Olivier Lardière, Duan Li, Alex Madurowicz, Dillon Peng, Lisa Poyneer, Eckhart Spalding

Proceedings Volume 12185, 1218579 (2022) https://doi.org/10.1117/12.2629094

KEYWORDS: Gemini Planet Imager, Electron multiplying charge coupled devices, Sensors, Wavefronts, Wavefront sensors, Cameras, Adaptive optics, Charge-coupled devices, Telescopes, Stars

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Proceedings Article | 29 August 2022 Poster

GPI 2.0: End-to-end simulations of the AO-coronagraph system

Jayke Nguyen, Jérôme Maire, Saavidra Perera, Daniel Levinstein, Clarissa Do Ó, Quinn Konopacky, Jeffrey Chilcote, Joeleff Fitzsimmons, Randall Hamper, Dan Kerley, Bruce Macintosh, Christian Marois, Fredrik Rantakyrö, Dmitry Savransky, Jean-Pierre Véran, Guido Agapito, S. Mark Ammons, Marco Bonaglia, Marc-Andre Boucher, Jennifer Dunn, Simone Esposito, Guillaume Filion, Jean-Thomas Landry, Olivier Lardière, Duan Li, Alex Madurowicz, Meiji Nguyen, Bryony Nickson, Dillon Peng, Emiel Por, Lisa Poyneer,

Proceedings Volume 12185, 121853M (2022) https://doi.org/10.1117/12.2630446

KEYWORDS: Gemini Planet Imager, Adaptive optics, Imaging systems, Device simulation, Wavefront sensors, Telescopes, Systems modeling, Performance modeling, Gemini Observatory, Exoplanets

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Proceedings Article | 2 February 2021 Presentation + Paper

Fast focal plane wavefront sensing as a second stage adaptive optics wavefront sensor

Benjamin Gerard, Jean-Pierre Véran, Garima Singh, Glen Herriot, Olivier Lardière, Christian Marois

Proceedings Volume 11448, 1144826 (2021) https://doi.org/10.1117/12.2562861

KEYWORDS: Wavefront sensors, Adaptive optics, Error analysis, Image sensors, Exoplanets, Coronagraphy, Earth's atmosphere, Atmospheric sensing, Wavefronts

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Proceedings Article | 21 December 2020 Presentation + Paper

TMT deformable mirror prototype testing and verification

Kate Jackson, Jean-Pierre Veran, Corinne Boyer, Glen Herriot, David Andersen, Olivier Lardiere, Jeff Crane, Jean-Christophe Sinquin, Hubert Pagès, Christophe Landureau, Ronan Wehrle, Tim Hardy, Johnathan Whittle

Proceedings Volume 11448, 114481D (2020) https://doi.org/10.1117/12.2561623

KEYWORDS: Deformable mirrors, Prototyping, Infrared telescopes, Telescopes, Infrared imaging, Infrared radiation, Adaptive optics, Actuators, Temperature metrology, Mirrors

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Proceedings Article | 14 December 2020 Poster + Paper

Upgrading the Gemini Planet Imager calibration unit with a photon counting focal plane wavefront sensor

Christian Marois, B. Gerard, O. Lardière, A. Anthony, C. Bradley, J. Dunn, Q. Fu, T. Hardy, W. Heidrich, G. Herriot, E. Nielsen, S. Sivanandam, D. Sivransky, S. Thibault, W. Thompson, J.-P. Véran

Proceedings Volume 11448, 1144873 (2020) https://doi.org/10.1117/12.2563010

KEYWORDS: Gemini Planet Imager, Photon counting, Wavefront sensors, Calibration, Stars, Imaging systems, Gemini Observatory, Observatories, Planets, Interferometers

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Proceedings Article | 13 December 2020 Poster + Paper

Fast modulation and dithering for the NFIRAOS pyramid wavefront sensor

Edward Chapin, David Andersen, Owen Brown, Jeffrey Crane, Adam Densmore, Jennifer Dunn, Tim Hardy, Glen Herriot, Dan Kerley, Olivier Lardiere, Jean-Pierre Véran

Proceedings Volume 11451, 114514V (2020) https://doi.org/10.1117/12.2560418

KEYWORDS: Wavefront sensors, Modulation, Thirty Meter Telescope, Mirrors, Sensors, Adaptive optics, Stars, Optical testing, Phase shift keying, Laser guide stars

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Proceedings Article | 13 December 2020 Poster + Paper

GPI 2.0: design of the pyramid wave front sensor upgrade for GPI

Joeleff Fitzsimmons, Guido Agapito, Marco Bonaglia, Marc-André Boucher, Jeffrey Chilcote, Jennifer Dunn, Simone Esposito, Guillaume Filion, Dan Kerley, Quinn Konopacky, Jean-Thomas Landry, Olivier Lardiere, Bruce Macintosh, Alex Madurowicz, Jerome Maire, Christian Marois, Lisa Poyneer, Dmitry Savransky, Jean-Pierre Veran

Proceedings Volume 11448, 114486J (2020) https://doi.org/10.1117/12.2563150

KEYWORDS: Gemini Planet Imager, Wavefront sensors, Gemini Observatory, Electron multiplying charge coupled devices, Sensors, Adaptive optics, Optomechanical design, Computer architecture, Tolerancing

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Proceedings Article | 13 December 2020 Presentation + Paper

Gemini Infrared Multi-Object Spectrograph: preliminary design overview

Suresh Sivanandam, Scott Chapman, Darren Erickson, Paul Hickson, Simon Thibault, Marcin Sawicki, Adam Muzzin, Jennifer Dunn, Alison Peck, Scott Roberts, Kim Venn, Gaetano Sivo, Martin Tschimmel, David Henderson, Masen Lamb, Shaojie Chen, Saugata Dutt, Olivier Lardière, André Anthony, Alexis Hill, Denis Brousseau, Tristan Chabot

Proceedings Volume 11447, 114471A (2020) https://doi.org/10.1117/12.2561607

KEYWORDS: Spectrographs, Astronomical imaging, Gemini Observatory, Infrared imaging, Infrared spectroscopy, Infrared radiation, Adaptive optics, Imaging systems, Spatial resolution, Spectral resolution

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Proceedings Article | 13 December 2020 Poster + Paper

Optical design and preliminary results of NEW EARTH, first Canadian high-contrast imaging laboratory test bench

Olivier Lardière, Benjamin Gerard, William Thompson, Christian Marois, Jean-Pierre Véran, Célia Blain, Wolfgang Heidrich, Qiang Fu

Proceedings Volume 11448, 114486Y (2020) https://doi.org/10.1117/12.2561803

KEYWORDS: Optical design, Coherence imaging, Wavefronts, Exoplanets, Image segmentation, Coronagraphy, Optical aberrations, Deformable mirrors, Reflectivity, Large telescopes

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Proceedings Article | 13 December 2020 Presentation + Paper

Gemini IRMOS: preliminary optical design of a multi-object adaptive optics-fed infrared integral-field spectrograph

Shaojie Chen, Denis Brousseau, Olivier Lardière, Suresh Sivanandam, Simon Thibault, Tristan Chabot, Scott Chapman, Darren Erickson, Saugata Dutt, Gaetano Sivo

Proceedings Volume 11447, 114471B (2020) https://doi.org/10.1117/12.2561942

KEYWORDS: Gemini Observatory, Infrared telescopes, Adaptive optics, Optical design, Astronomical imaging, Infrared radiation, Infrared spectroscopy, Spectrographs, Telescopes, Multiplexing

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Proceedings Article | 13 December 2020 Presentation + Paper

GPI 2.0: upgrading the Gemini Planet Imager

Jeffrey Chilcote, Quinn Konopacky, Robert De Rosa, Randall Hamper, Bruce Macintosh, Christian Marois, Marshall Perrin, Dmitry Savransky, Rémi Soummer, Jean-Pierre Véran, Guido Agapito, Arlene Aleman, S. Mark Ammons, Marco Bonaglia, Marc-Andre Boucher, Maeve Curliss, Jennifer Dunn, Simone Esposito, Guillaume Filion, Joeleff Fitzsimmons, Isabel Kain, Dan Kerley, Jean-Thomas Landry, Olivier Lardiere, Marie Lemoine-Busserolle, Duan Li, Mary Anne Limbach, Alex Madurowicz, Jerome Maire, Mamadou N'Diaye, Eric Nielsen, Lisa Poyneer, Laurent Pueyo, Kaitlyn Summey, Coleman Thomas

Proceedings Volume 11447, 114471S (2020) https://doi.org/10.1117/12.2562578

KEYWORDS: Gemini Planet Imager, Gemini Observatory, Jupiter, Exoplanets, Observatories, Planets, Telescopes, Wavefront sensors, Spectral resolution, Prisms

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Proceedings Article | 13 December 2020 Poster + Paper

The multi-object adaptive optics system for the Gemini infra-red multi-object spectrograph

Scott Chapman, Uriel Conod, Paolo Turri, Kate Jackson, Olivier Lardiere, Suresh Sivanandam, David Andersen, Carlos Correia, Masen Lamb, Colin Ross, Gaetano Sivo, Jean-Pierre Veran

Proceedings Volume 11448, 1144872 (2020) https://doi.org/10.1117/12.2562793

KEYWORDS: Astronomical imaging, Adaptive optics, Spectrographs, Gemini Observatory, Thirty Meter Telescope, Turbulence, Galactic astronomy, Interfaces, Tomography, Actuators

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Proceedings Article | 13 December 2020 Poster + Paper

Developing the prototype adaptive optics system for the Gemini infra-red multi-object spectrograph

U. Conod, K. Jackson, O. Lardière, S. Chapman, P. Turri, M. Lamb, S. Sivanandam, G. Sivo, J.-P. Véran

Proceedings Volume 11448, 1144876 (2020) https://doi.org/10.1117/12.2560737

KEYWORDS: Adaptive optics, Astronomical imaging, Prototyping, Gemini Observatory, Spectrographs, Galactic astronomy, Thirty Meter Telescope, Device simulation, Spatial light modulators, Turbulence

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SPIE Journal Paper | 24 September 2018 Open Access

Multiconjugate adaptive optics simulator for the Thirty Meter Telescope: design, implementation, and results

Etsuko Mieda, Jean-Pierre Véran, Matthias Rosensteiner, Paolo Turri, David Andersen, Glen Herriot, Olivier Lardière, Paolo Spanò

JATIS, Vol. 4, Issue 04, 049002, (September 2018) https://doi.org/10.1117/12.10.1117/1.JATIS.4.4.049002

KEYWORDS: Adaptive optics, Device simulation, Sodium, Point spread functions, Optical simulations, Thirty Meter Telescope, Turbulence, Cameras, Optical instrument design, Telescopes

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Proceedings Article | 10 August 2018 Paper

TIKI: a 10-micron Earth-like planet finder for the Gemini South telescope

Célia Blain, Christian Marois, Colin Bradley, Mark Chun, René Doyon, Darren Erickson, Thomas Hayward, Masen Lamb, Olivier Lardière, Franck Marchis, Carl Melis, Michael Meyer, Chris Packham, Andrew Skemer, Simon Thibault

Proceedings Volume 10702, 107024A (2018) https://doi.org/10.1117/12.2314214

KEYWORDS: Planets, Telescopes, Exoplanets, Stars, Gemini Observatory, Adaptive optics, Earth's atmosphere, Clouds, Sensors, Mid-IR

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Proceedings Article | 19 July 2018 Presentation + Paper

The multi-object adaptive optics system for the GIRMOS spectrograph on Gemini-South

Scott Chapman, Suresh Sivanadam, David Andersen, Colin Bradley, Carlos Correia, Masen Lamb, Olivier Lardiere, Colin Ross, Gaetano Sivo, Jean-Pierre Veran

Proceedings Volume 10703, 107031K (2018) https://doi.org/10.1117/12.2312395

KEYWORDS: Adaptive optics, Spectrographs, Gemini Observatory, Real-time computing, Device simulation, Stars, Tomography, Telescopes, Astronomical imaging, Galactic astronomy

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Proceedings Article | 17 July 2018 Paper

NFIRAOS adaptive optics for the Thirty Meter Telescope

Jeffrey Crane, Glen Herriot, David Andersen, Jenny Atwood, Peter Byrnes, Adam Densmore, Jennifer Dunn, Joeleff Fitzsimmons, Tim Hardy, Brian Hoff, Kate Jackson, Dan Kerley, Olivier Lardière, Malcolm Smith, Jonathan Stocks, Jean-Pierre Véran, Corinne Boyer, Lianqi Wang, Gelys Trancho, Melissa Trubey

Proceedings Volume 10703, 107033V (2018) https://doi.org/10.1117/12.2314341

KEYWORDS: Mirrors, Thirty Meter Telescope, Adaptive optics, Beam splitters, Telescopes, Stars, Calibration, Interfaces, Wavefront sensors, Sensors

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Proceedings Article | 11 July 2018 Paper

Calibration and test procedures for the NFIRAOS deformable mirror prototypes

Kate Jackson, Jean-Pierre Véran, Glen Herriot, Olivier Lardière, David Andersen, Jeffrey Crane

Proceedings Volume 10703, 1070378 (2018) https://doi.org/10.1117/12.2312953

KEYWORDS: Calibration, Prototyping, Deformable mirrors, Adaptive optics, Algorithm development

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Proceedings Article | 10 July 2018 Paper

Upgrading the MMT AO system with a near-infrared pyramid wavefront sensor

Siqi Liu, Suresh Sivanandam, Shaojie Chen, Masen Lamb, Adam Butko, Jean-Pierre Veran, Phil Hinz, Etsuko Mieda, Tim Hardy, Olivier Lardiere, Eric Shore

Proceedings Volume 10703, 107032K (2018) https://doi.org/10.1117/12.2304584

KEYWORDS: Adaptive optics, Wavefront sensors, Prisms, Stars, Wavefronts, Near infrared, Monte Carlo methods, Modulation, Electron multiplying charge coupled devices, Sensors

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Proceedings Article | 10 July 2018 Presentation + Paper

Gemini infrared multi-object spectrograph: instrument overview

Suresh Sivanandam, Scott Chapman, Luc Simard, Paul Hickson, Kim Venn, Simon Thibault, Marcin Sawicki, Adam Muzzin, Darren Erickson, Roberto Abraham, Masayuki Akiyama, David Andersen, Colin Bradley, Raymond Carlberg, Shaojie Chen, Carlos Correia, Tim Davidge, Sara Ellison, Kamal El-Sankary, Gregory Fahlman, Masen Lamb, Olivier Lardière, Marie Lemoine-Busserolle, Dae-Sik Moon, Norman Murray, Alison Peck, Cyrus Shafai, Gaetano Sivo, Jean-Pierre Veran, Howard Yee

Proceedings Volume 10702, 107021J (2018) https://doi.org/10.1117/12.2313924

KEYWORDS: Spectrographs, Galactic astronomy, Adaptive optics, Telescopes, James Webb Space Telescope, Stars, Infrared spectroscopy, Infrared radiation, Gemini Observatory, Imaging spectroscopy

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Proceedings Article | 5 September 2017 Paper

Optical design of infrared pyramid wavefront sensor for the MMT

Shaojie Chen, Suresh Sivanandam, Siqi Liu, Jean-Pierre Veran, Phil Hinz, Etsuko Mieda, Tim Hardy, Olivier Lardiere

Proceedings Volume 10401, 104011H (2017) https://doi.org/10.1117/12.2273290

KEYWORDS: Wavefront sensors, Prisms, Adaptive optics, Wavefronts, Optical design, Mirrors, Telescopes, Infrared telescopes, Infrared radiation, Optical instrument design

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Proceedings Article | 23 August 2017 Paper

Optomechanical design of TMT NFIRAOS Subsystems at INO

Frédéric Lamontagne, Nichola Desnoyers, Martin Grenier, Pierre Cottin, Mélanie Leclerc, Olivier Martin, Louis Buteau-Vaillancourt, Marc-André Boucher, Reston Nash, Olivier Lardière, David Andersen, Jenny Atwood, Alexis Hill, Peter Byrnes, Glen Herriot, Joeleff Fitzsimmons, Jean-Pierre Véran

Proceedings Volume 10371, 103710N (2017) https://doi.org/10.1117/12.2276954

KEYWORDS: Large telescopes, Mirror mounts, Optical mounts, Optomechanical design, Telescopes, Integrated optics, Adaptive optics, Finite element methods, Infrared imaging, Mirrors

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Proceedings Article | 27 July 2016 Paper

The statistics of atmospheric turbulence at Maunakea measured by RAVEN

Y. Ono, Carlos Correia, O. Lardière, D. Andersen, S. Oya, M. Akiyama, D. Gamroth, K. Jackson, O. Martin, A. Guesalaga, C. Bradley

Proceedings Volume 9909, 99093E (2016) https://doi.org/10.1117/12.2232359

KEYWORDS: Adaptive optics, Turbulence, Atmospheric turbulence, Statistical analysis, Atmospheric sensing, Tomography, Sensors, Wavefront sensors, Statistical analysis, Telescopes, Ranging

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Proceedings Article | 27 July 2016 Paper

Fast modulation and dithering on a pyramid wavefront sensor bench

Maaike van Kooten, Colin Bradley, Jean-Pierre Veran, Glen Herriot, Olivier Lardiere

Proceedings Volume 9909, 99096G (2016) https://doi.org/10.1117/12.2231309

KEYWORDS: Wavefront sensors, Modulation, Adaptive optics, Mirrors, Cameras, Prisms, Monochromatic aberrations, Wavefronts, Imaging systems, Calibration

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Proceedings Article | 26 July 2016 Paper

Testing the pyramid truth wavefront sensor for NFIRAOS in the lab

Etsuko Mieda, Matthias Rosensteiner, Maaike van Kooten, Jean-Pierre Veran, Olivier Lardiere, Glen Herriot

Proceedings Volume 9909, 99091J (2016) https://doi.org/10.1117/12.2231838

KEYWORDS: Adaptive optics, Wavefront sensors, Modulation, Sodium, Mirrors, Device simulation, Prisms, Wavefronts, Monochromatic aberrations, Charge-coupled devices

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Proceedings Article | 26 July 2016 Paper

On-sky MOAO performance evaluation of RAVEN

Y. Ono, Carlos Correia, O. Lardière, D. Andersen, S. Oya, M. Akiyama, D. Gamroth, K. Jackson, O. Martin, C. Bradley

Proceedings Volume 9909, 990910 (2016) https://doi.org/10.1117/12.2232321

KEYWORDS: Adaptive optics, Telescopes, Tomography, Stars, Atmospheric sciences, Atmospheric optics, Turbulence, Ranging, Calibration, Spectrographs

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Proceedings Article | 13 August 2014 Paper

Comparing the performance of open loop centroiding techniques in the Raven MOAO system

David Andersen, Colin Bradley, Darryl Gamroth, Dan Kerley, Olivier Lardière, Jean-Pierre Véran

Proceedings Volume 9148, 91485K (2014) https://doi.org/10.1117/12.2057160

KEYWORDS: Stars, Adaptive optics, Cameras, Sensors, Atmospheric modeling, Atmospheric sciences, Telescopes, Wavefront sensors, Turbulence, Calibration

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Proceedings Article | 21 July 2014 Paper

Multi-object adaptive optics on-sky results with Raven

Olivier Lardière, Dave Andersen, Célia Blain, Colin Bradley, Darryl Gamroth, Kate Jackson, Przemek Lach, Reston Nash, Kim Venn, Jean-Pierre Véran, Carlos Correia, Shin Oya, Yutaka Hayano, Hiroshi Terada, Yoshito Ono, Masayuki Akiyama

Proceedings Volume 9148, 91481G (2014) https://doi.org/10.1117/12.2055480

KEYWORDS: Adaptive optics, Telescopes, Stars, Cameras, Spectrographs, Turbulence, Calibration, Saturn, Tomography, Galactic astronomy

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Proceedings Article | 21 July 2014 Paper

Tomography and calibration for Raven: from simulations to laboratory results

Kate Jackson, Carlos Correia, Olivier Lardière, Dave Andersen, Colin Bradley, Laurie Pham, Célia Blain, Reston Nash, Darryl Gamroth, Jean-Pierre Véran

Proceedings Volume 9148, 91482K (2014) https://doi.org/10.1117/12.2057034

KEYWORDS: Tomography, Reconstruction algorithms, Adaptive optics, Calibration, Telescopes, Device simulation, Computer simulations, Stars, Error analysis, Signal to noise ratio

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Proceedings Article | 25 September 2012 Paper

Status of the Raven MOAO science demonstrator

David Andersen, C. Bradley, O. Lardière, C. Blain, C. Correia, R. Desmarais, D. Gamroth, M. Ito, K. Jackson, P. Lach, R. Nash, L. Pham, J.-P. Véran

Proceedings Volume 8447, 84473F (2012) https://doi.org/10.1117/12.926854

KEYWORDS: Adaptive optics, Copper, Mirrors, Real-time computing, Calibration, Cameras, Telescopes, Stars, Tomography, Actuators

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Proceedings Article | 13 September 2012 Paper

Design and test results of the calibration unit for the MOAO demonstrator RAVEN

J.-F. Lavigne, F. Lamontagne, G. Anctil, M. Wang, M. Tremblay, O. Lardière, R. Nash, D. Andersen, M. Savard, P. Côté, C. Bradley, F. Châteauneuf

Proceedings Volume 8447, 844754 (2012) https://doi.org/10.1117/12.925489

KEYWORDS: Adaptive optics, Calibration, Telescopes, Tolerancing, Zemax, Diffraction, Stars, Indium oxide, Mirrors, Relays

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Proceedings Article | 13 September 2012 Paper

Tomographic wavefront error estimation and measurement for Raven, a multi-object adaptive optics demonstrator

Kate Jackson, Carlos Correia, Olivier Lardière, David Andersen, Colin Bradley

Proceedings Volume 8447, 84475F (2012) https://doi.org/10.1117/12.925865

KEYWORDS: Tomography, Adaptive optics, Phase measurement, Copper, Wavefronts, Algorithm development, Turbulence, Stars, Atmospheric turbulence, Error analysis

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Proceedings Article | 13 September 2012 Paper

Final opto-mechanical design of Raven, a MOAO science demonstrator for Subaru

Olivier Lardière, Reston Nash, J.-P. Markes, Dave Andersen, Colin Bradley, Célia Blain, Ronald Desmarais, Darryl Gamroth, Meguru Ito, Kate Jackson, Przemek Lach, Laurie Pham

Proceedings Volume 8447, 844753 (2012) https://doi.org/10.1117/12.927176

KEYWORDS: Mirrors, Telescopes, Copper, Relays, Cameras, Calibration, Adaptive optics, Monochromatic aberrations, Distortion, Photovoltaics

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Proceedings Article | 14 July 2010 Paper

Raven: a harbinger of multi-object adaptive optics-based instruments at the Subaru Telescope

Rodolphe Conan, Colin Bradley, Olivier Lardière, Celia Blain, Kim Venn, David Andersen, Luc Simard, Jean-Pierre Véran, Glen Herriot, David Loop, Tomonori Usuda, Shin Oya, Yutaka Hayano, Hiroshi Terada, Masayuki Akiyama

Proceedings Volume 7736, 77360T (2010) https://doi.org/10.1117/12.856567

KEYWORDS: Adaptive optics, Stars, Telescopes, Galactic astronomy, Calibration, Mirrors, Spectrographs, Cameras, Astronomy, Control systems

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Proceedings Article | 13 July 2010 Paper

Compared performance of different centroiding algorithms for high-pass filtered laser guide star Shack-Hartmann wavefront sensors

Olivier Lardière, Rodolphe Conan, Richard Clare, Colin Bradley, Norbert Hubin

Proceedings Volume 7736, 773627 (2010) https://doi.org/10.1117/12.857742

KEYWORDS: Sodium, Turbulence, Information operations, Wavefront sensors, Adaptive optics, Optical filters, Linear filtering, Photons, Laser guide stars, Monochromatic aberrations

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Proceedings Article | 13 July 2010 Paper

NFIRAOS: TMT's facility adaptive optics system

Glen Herriot, David Andersen, Jennifer Atwood, Corinne Boyer, Annie Beauvillier, Peter Byrnes, Rod Conan, Brent Ellerbroek, Joeleff Fitzsimmons, Luc Gilles, Paul Hickson, Alexis Hill, Kate Jackson, Olivier Lardière, John Pazder, Thomas Pfrommer, Vlad Reshetov, Scott Roberts, Jean-Pierre Véran, Lianqi Wang, Ivan Wevers

Proceedings Volume 7736, 77360B (2010) https://doi.org/10.1117/12.857662

KEYWORDS: Telescopes, Adaptive optics, Stars, Calibration, Wavefront sensors, Mirrors, Beam splitters, Visible radiation, Sensors, Sodium

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Proceedings Article | 13 July 2010 Paper

First light adaptive optics systems and components for the Thirty Meter Telescope

Brent Ellerbroek, Sean Adkins, David Andersen, Jennifer Atwood, Steve Browne, Corinne Boyer, Peter Byrnes, Kris Caputa, Rodolphe Conan, Raphael Cousty, Daren Erikson, Joeleff Fitzsimmons, Frederick Gamache, Luc Gilles, Glen Herriot, Paul Hickson, Olivier Lardier, Pierre Morin, John Pazder, Thomas Pfrommer, David Quinn, Vladimir Reshetov, Scott Roberts, Jean-Christophe Sinquin, Matthias Schoeck, Malcolm Smith, Glenn Tyler, Jeff Vaughn, Jean-Pierre Veran, Curt Vogel, Lianqi Wang, Ivan Wevers

Proceedings Volume 7736, 773604 (2010) https://doi.org/10.1117/12.856503

KEYWORDS: Adaptive optics, Laser guide stars, Telescopes, Sensors, Distortion, Wavefront sensors, Space telescopes, Stars, Sodium, Wavefronts

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Proceedings Article | 26 August 2008 Paper

Modeling of the Thirty-Meter-Telescope matched-filter-based LGS wavefront sensing

Rodolphe Conan, Olivier Lardière, Colin Bradley, Glen Herriot, Kate Jackson

Proceedings Volume 7093, 709306 (2008) https://doi.org/10.1117/12.795402

KEYWORDS: Sodium, Sensors, Wavefront sensors, Zoom lenses, Adaptive optics, Monochromatic aberrations, Telescopes, Data modeling, Charge-coupled devices, Image filtering

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Proceedings Article | 16 July 2008 Paper

Modeling of the Thirty-Meter-Telescope matched-filter-based LGS wavefront sensing

Rodolphe Conan, Olivier Lardière, Colin Bradley, Glen Herriot, Kate Jackson

Proceedings Volume 7015, 70154S (2008) https://doi.org/10.1117/12.787469

KEYWORDS: Sodium, Wavefront sensors, Adaptive optics, Telescopes, Charge-coupled devices, Lithium, Turbulence, Image filtering, Sensors, Information technology

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Proceedings Article | 16 July 2008 Paper

Laser-guide-star wavefront sensing for TMT: experimental results of the matched filtering

Olivier Lardière, Rodolphe Conan, Colin Bradley, Glen Herriot, Kate Jackson

Proceedings Volume 7015, 70154T (2008) https://doi.org/10.1117/12.787470

KEYWORDS: Sodium, Turbulence, Signal to noise ratio, Adaptive optics, Wavefront sensors, Wavefronts, Algorithm development, Laser guide stars, Optical filters, Computer simulations

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Proceedings Article | 28 June 2006 Paper

Direct imaging in interferometry: technical aspects and preliminary results of a fibered pupil densifier

Fabien Patru, Denis Mourard, Laurent Delage, François Reynaud, Jean-Michel Clausse, Daniel Bonneau, Michael Dubreuil, Alain Roussel, Yves Hugues, Sandra Bosio, Yves Bresson, Olivier Lardière

Proceedings Volume 6268, 62681S (2006) https://doi.org/10.1117/12.671555

KEYWORDS: Dispersion, Interferometry, Polarization, Single mode fibers, Imaging systems, Photometry, Spatial filters, Wavefront sensors, Interferometers, Ferroelectric materials

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Proceedings Article | 25 October 2004 Paper

CAOS: a numerical simulation tool for astronomical adaptive optics (and beyond)

Marcel Carbillet, Christophe Verinaud, Mario Guarracino, Luca Fini, Olivier Lardiere, Brice Le Roux, Alfio Puglisi, Bruno Femenia, Armando Riccardi, Barbara Anconelli, Serge Correia, Mario Bertero, Patrizia Boccacci

Proceedings Volume 5490, (2004) https://doi.org/10.1117/12.551552

KEYWORDS: Adaptive optics, Image restoration, Interferometry, Computer simulations, Atmospheric propagation, Atmospheric modeling, Sensors, Coronagraphy, Calibration, Image sensors

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Proceedings Article | 25 October 2004 Paper

High-contrast imaging with ELTs: effects of cophasing and AO residual errors on the PSF contrast

Olivier Lardiere, Marcel Carbillet, Armando Riccardi, Piero Salinari

Proceedings Volume 5490, (2004) https://doi.org/10.1117/12.550403

KEYWORDS: Adaptive optics, Point spread functions, Image segmentation, Actuators, Stars, Mirrors, Telescopes, Planets, Exoplanets, Diffraction

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Proceedings Article | 20 October 2004 Paper

VIDA, a hypertelescope on the VLTI: last instrument design studies and performance analysis

Olivier Lardiere, Denis Mourard, Fabien Patru, Marcel Carbillet

Proceedings Volume 5491, (2004) https://doi.org/10.1117/12.550411

KEYWORDS: Coronagraphy, Telescopes, Adaptive optics, Planets, Stars, Wavefronts, Apodization, Astatine, Space telescopes, Exoplanets

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Proceedings Article | 20 October 2004 Paper

An interferometric imaging test bench: the densified pupil concept applied to the VLTI

Fabien Patru, Denis Mourard, Olivier Lardiere, Alain Spang, Jean-Michel Clausse, Pierre Antonelli, Yves Bresson, Stephane Lagarde

Proceedings Volume 5491, (2004) https://doi.org/10.1117/12.567527

KEYWORDS: Astatine, Mirrors, Point spread functions, Interferometry, Imaging systems, Stars, Spatial filters, Reflectivity, Coronagraphy, Wavefront sensors

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Proceedings Article | 7 July 2004 Paper

Adaptive optics and site requirements for the search of Earth-like planets with ELTs

Olivier Lardiere, Piero Salinari, Laurent Jolissaint, Marcel Carbillet, Armando Riccardi, Simone Esposito

Proceedings Volume 5382, (2004) https://doi.org/10.1117/12.566273

KEYWORDS: Actuators, Telescopes, Adaptive optics, Planets, Stars, Coronagraphy, Exoplanets, Signal to noise ratio, Space telescopes, Point spread functions

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Proceedings Article | 7 July 2004 Paper

Primary adaptive mirrors for ELTs: a report on preliminary studies

Armando Riccardi, Ciro Del Vecchio, Piero Salinari, Guido Brusa, Olivier Lardiere, Daniele Gallieni, Roberto Biasi, Paolo Mantegazza

Proceedings Volume 5382, (2004) https://doi.org/10.1117/12.566264

KEYWORDS: Actuators, Mirrors, Point spread functions, Adaptive optics, Telescopes, Glasses, Wavefronts, Turbulence, Control systems, Diffraction

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Proceedings Article | 24 December 2003 Paper

Adaptive secondary mirrors for the large binocular telescope

Armando Riccardi, Guido Brusa, Piero Salinari, Simone Busoni, Oliver Lardiere, Piero Ranfagni, Daniele Gallieni, Roberto Biasi, Mario Andrighettoni, Steve Miller, Paolo Mantegazza

Proceedings Volume 5169, (2003) https://doi.org/10.1117/12.511374

KEYWORDS: Mirrors, Actuators, Digital signal processing, Electronics, Sensors, Control systems, Telescopes, Prototyping, Adaptive optics, Optics manufacturing

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Proceedings Article | 26 February 2003 Paper

Hypertelescope imaging: from exoplanets to neutron stars

Antoine Labeyrie, Herve Le Coroller, Julien Dejonghe, Frantz Martinache, Virginie Borkowski, Olivier Lardiere, Laurent Koechlin

Proceedings Volume 4852, (2003) https://doi.org/10.1117/12.460844

KEYWORDS: Stars, Mirrors, Coronagraphy, Space telescopes, Telescopes, Planets, Radio optics, Spherical lenses, Adaptive optics, Diffraction

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Proceedings Article | 21 February 2003 Paper

High angular resolution in 2010-2020: a comparison between possible post-VLT/VLTI instruments

Luc Arnold, Anne-Marie Lagrange, Denis Mourard, Pierre Riaud, Marc Ferrari, Sophie Gillet, Pierre Kern, Laurent Koechlin, Antoine Labeyrie, Olivier Lardiere, Fabien Malbet, Guy Perrin, Gerard Rousset, Michel Tallon

Proceedings Volume 4838, (2003) https://doi.org/10.1117/12.458939

KEYWORDS: Space telescopes, Adaptive optics, Telescopes, Interferometry, Spatial resolution, Interferometers, Point spread functions, Aerospace engineering, Imaging arrays, Synthetic apertures

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Proceedings Article | 21 February 2003 Paper

VIDA (VLTI imaging with a densified array): a densified pupil combiner proposed for snapshot imaging with the VLTI

Olivier Lardiere, Antoine Labeyrie, Denis Mourard, Pierre Riaud, Luc Arnold, Julien Dejonghe, Sophie Gillet

Proceedings Volume 4838, (2003) https://doi.org/10.1117/12.459076

KEYWORDS: Astatine, Telescopes, Stars, Coronagraphy, Interferometers, Mirrors, Interferometry, Exoplanets, K band, Cameras

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Proceedings Article | 20 July 2000 Paper

First light of the OVLA active mirror with its surface heating system

Olivier Lardiere, Luc Arnold, Julien Dejonghe

Proceedings Volume 4003, (2000) https://doi.org/10.1117/12.391533

KEYWORDS: Mirrors, Electrodes, Telescopes, Coating, Monochromatic aberrations, Glasses, Aluminum, Transformers, Thermography, Actuators

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Proceedings Article | 25 August 1998 Paper

Optical very large array (OVLA) prototype telescope: status report and perspective for large mosaic mirrors

Julien Dejonghe, Luc Arnold, Olivier Lardiere, Jean-Pierre Berger, Claude Cazale, S. Dutertre, Dominique Kohler, D. Vernet

Proceedings Volume 3352, (1998) https://doi.org/10.1117/12.319241

KEYWORDS: Telescopes, Mirrors, Actuators, Space telescopes, Prototyping, Glasses, Optical spheres, Interferometry, Active optics, Optical arrays

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Proceedings Article | 26 May 1998 Paper

OVLA prototype telescope control system

Olivier Lardiere, Luc Arnold, Jean-Pierre Berger, Claude Cazale, Julien Dejonghe, Antoine Labeyrie, Denis Mourard

Proceedings Volume 3351, (1998) https://doi.org/10.1117/12.308793

KEYWORDS: Telescopes, Prototyping, Spherical lenses, Mirrors, Control systems, Interferometers, Microcontrollers, Actuators, Stars, Disk lasers

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Showing 5 of 70 publications

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