Dr. Christophe S. Clergeon Profile

Dr. Christophe S. Clergeon

AO scientist at Gemini Observatory

SPIE Involvement:

Author

Publications (20)

Proceedings Article | 30 August 2022 Presentation + Paper

Presentation + Paper

AO3000 at Subaru: combining for the first time a NIR WFS using First Light’s C-RED ONE and ALPAO’s 64x64 DM

Julien Lozi, Kyohoon Ahn, Christophe Clergeon, Vincent Deo, Olivier Guyon, Takashi Hattori, Yosuke Minowa, Shogo Nishiyama, Yoshito Ono, Sébastien Vievard

Proceedings Volume 12185, 1218533 (2022) https://doi.org/10.1117/12.2630634

KEYWORDS: Near infrared, Modulation, Beam splitters, Adaptive optics, Cameras, Stars, Wavefront sensors, Signal to noise ratio, Telescopes, Modulators

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Proceedings Article | 30 August 2022 Poster + Presentation + Paper

Poster + Presentation + Paper

ULTIMATE-Subaru: adaptive secondary mirror system

Shin Oya, Yosuke Minowa, Hirofumi Okita, Yoshito Ono, Christophe Clergeon

Proceedings Volume 12185, 121857T (2022) https://doi.org/10.1117/12.2629788

KEYWORDS: Telescopes, Mirrors, Adaptive optics, Calibration, Optical design, Light sources, Interfaces

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Proceedings Article | 13 December 2020 Presentation + Paper

Presentation + Paper

Status of the SCExAO instrument: recent technology upgrades and path to a system-level demonstrator for PSI

Julien Lozi, Olivier Guyon, Sébastien Vievard, Ananya Sahoo, Vincent Deo, Nemanja Jovanovic, Barnaby Norris, Marc-Antoine Martinod, Ben Mazin, Alex Walter, Neelay Fruitwala, Sarah Steiger, Kristina Davis, Peter Tuthill, Tomoyuki Kudo, Hajime Kawahara, Takayuki Kotani, Michael Ireland, Theodoros Anagnos, Chrstian Schwab, Nick Cvetojevic, Elsa Huby, Sylvestre Lacour, Kevin Barjot, Tyler Groff, Jeffrey Chilcote, Jeremy Kasdin, Frantz Martinache, Romain Laugier, Mamadou N'Diaye, Justin Knight, Jared Males, Steven Bos, Frans Snik, David Doelman, Kelsey Miller, Eduardo Bendek, Ruslan Belikov, Eugene Pluzhnik, Thayne Currie, Masayuki Kuzuhara, Taichi Uyama, Jun Nishikawa, Naoshi Murakami, Jun Hashimoto, Yosuke Minowa, Christophe Clergeon, Yoshito Ono, Naruhisa Takato, Motohide Tamura, Hideki Takami, Masa Hayashi

Proceedings Volume 11448, 114480N (2020) https://doi.org/10.1117/12.2562832

KEYWORDS: Imaging systems, Telescopes, Infrared sensors, Infrared imaging, Coronagraphy, Wavefront sensors, Sensors, Detection and tracking algorithms, Cameras, Wavefronts

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Proceedings Article | 13 December 2020 Presentation + Paper

Presentation + Paper

Overview of AO activities at Subaru Telescope

Yoshito Ono, Yosuke Minowa, Olivier Guyon, Christophe Clergeon, Etsuko Mieda, Julien Lozi, Takashi Hattori, Masayuki Akiyama

Proceedings Volume 11448, 114480K (2020) https://doi.org/10.1117/12.2561139

KEYWORDS: Adaptive optics, Telescopes, Near infrared, Imaging systems, Exoplanets, Control systems, Fiber lasers, Visible radiation, Imaging spectroscopy, Near infrared spectroscopy

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Proceedings Article | 13 December 2020 Presentation + Paper

Presentation + Paper

ULTIMATE-Subaru: system performance modeling of GLAO and wide-field NIR instruments

Yosuke Minowa, Yusei Koyama, Kenshi Yanagisawa, Kentaro Motohara, Ichi Tanaka, Yoshito Ono, Takashi Hattori, Christophe Clergeon, Yutaka Hayano, Masayuki Akiyama, Tadayuki Kodama, Céline d'Orgeville, Francois Rigaut, Shiang-Yu Wang, Michitoshi Yoshida

Proceedings Volume 11450, 114500O (2020) https://doi.org/10.1117/12.2561950

KEYWORDS: Near infrared, Performance modeling, Systems modeling, Imaging systems, Imaging spectroscopy, Cesium, Telescopes, Near infrared spectroscopy, Spectroscopes, Infrared telescopes

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Proceedings Article | 3 January 2020 Paper

Paper

ULTIMATE-Subaru: enhancing the Subaru's wide-field capability with GLAO

Yosuke Minowa, Yusei Koyama, Yoshito Ono, Ichi Tanaka, Takashi Hattori, Christophe Clergeon, Masayuki Akiyama, Tadayuki Kodama, Kentaro Motohara, François Rigaut, Céline d'Orgeville, Shiang-Yu Wang, Michitoshi Yoshida

Proceedings Volume 11203, 112030G (2020) https://doi.org/10.1117/12.2560539

KEYWORDS: Near infrared, Imaging systems, Imaging spectroscopy, Telescopes, Cesium, Near infrared spectroscopy, Spectroscopes, Infrared telescopes, Adaptive optics, Spatial resolution

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Proceedings Article | 20 September 2018 Paper

Paper

Subaru AO188 upgrade phase 1: integration of the new real-time system

Christophe Clergeon, Yosuke Minowa, Olivier Guyon, Yoshito Ono, Etsuko Mieda, Nour Skaf, Hiroshige Yoshida, Yukata Hayano, Takashi Hattori, Kiaina Schubert, Ananya Sahoo, Julien Lozi, Sebastien Vievard

Proceedings Volume 10703, 1070337 (2018) https://doi.org/10.1117/12.2314254

KEYWORDS: Adaptive optics, Avalanche photodetectors, Real-time computing, Electronics, Telescopes, Wavefront sensors, Actuators, Control systems, Human-machine interfaces, Matrices

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Proceedings Article | 17 July 2018 Presentation + Paper

Presentation + Paper

The compute and control for adaptive optics (CACAO) real-time control software package

Olivier Guyon, Arnaud Sevin, Damien Gratadour, Julien Bernard, Hatem Ltaief, Dalal Sukkari, Sylvain Cetre, Nour Skaf, Julien Lozi, Frantz Martinache, Christophe Clergeon, Barnaby Norris, Alison Wong, Jared Males

Proceedings Volume 10703, 107031E (2018) https://doi.org/10.1117/12.2314315

KEYWORDS: Adaptive optics, Control systems, Actuators, Wavefronts, Image processing, Cameras, Data processing, Adaptive control, Process control, Sensor fusion

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Proceedings Article | 13 July 2018 Paper

Paper

SCExAO, an instrument with a dual purpose: perform cutting-edge science and develop new technologies

Julien Lozi, Olivier Guyon, Nemanja Jovanovic, Sean Goebel, Prashant Pathak, Nour Skaf, Ananya Sahoo, Barnaby Norris, Frantz Martinache, Mamadou N'Diaye, Ben Mazin, Alex Walter, Peter Tuthill, Tomoyuki Kudo, Hajime Kawahara, Takayuki Kotani, Michael Ireland, Nick Cvetojevic, Elsa Huby, Sylvestre Lacour, Sébastien Vievard, Tyler Groff, Jeffrey Chilcote, Jeremy Kasdin, Justin Knight, Frans Snik, David Doelman, Yosuke Minowa, Christophe Clergeon, Naruhisa Takato, Motohide Tamura, Thayne Currie, Hideki Takami, Masa Hayashi

Proceedings Volume 10703, 1070359 (2018) https://doi.org/10.1117/12.2314282

KEYWORDS: Cameras, Coronagraphy, Polarization, Near infrared, Speckle, Exoplanets, Wavefronts, Telescopes, Infrared radiation, Polarimetry

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Proceedings Article | 12 July 2018 Paper

Paper

Current status of the laser guide star upgrade at Subaru Telescope

Etsuko Mieda, Yoko Tanaka, Matthew Wung, Yosuke Minowa, Christophe Clergeon, Yoshito Ono, Takashi Hattori, Yutaka Hayano, Masayuki Akiyama, Francois Rigaut, Celine d'Orgeville

Proceedings Volume 10703, 107033P (2018) https://doi.org/10.1117/12.2314093

KEYWORDS: Telescopes, Adaptive optics, Laser guide stars, Fiber lasers, Laser applications, Lasers

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Proceedings Article | 11 July 2018 Paper

Paper

Subaru Coronagraphic Extreme-AO (SCExAO) wavefront control: current status and ongoing developments

Ananya Sahoo, Olivier Guyon, Christophe Clergeon, Nour Skaf, Yosuke Minowa, Julien Lozi, Nemanja Jovanovic, Frantz Martinache

Proceedings Volume 10703, 1070350 (2018) https://doi.org/10.1117/12.2314333

KEYWORDS: Wavefronts, Coronagraphy, Wavefront sensors, Speckle, Adaptive optics, Calibration, Telescopes

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Proceedings Article | 10 July 2018 Presentation + Paper

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 Presentation + Paper

Presentation + Paper

On-going and future AO activities on Subaru Telescope

Yoshito Ono, Yosuke Minowa, Christophe Clergeon, Etsuko Mieda, Olivier Guyon, Julien Lozi, Masayuki Akiyama, Francois Rigaut, Yutaka Hayano, Shin Oya

Proceedings Volume 10703, 107030M (2018) https://doi.org/10.1117/12.2312379

KEYWORDS: Adaptive optics, Telescopes, Real-time computing, Tomography, Near infrared, Laser systems engineering, Wavefront sensors, Imaging spectroscopy

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Proceedings Article | 7 August 2014 Paper

Paper

On-sky speckle nulling with the Subaru Coronagraphic Extreme AO (SCExAO) instrument

Frantz Martinache, Olivier Guyon, Nemanja Jovanovic, Christophe Clergeon, Garima Singh, Tomoyuki Kudo

Proceedings Volume 9148, 914821 (2014) https://doi.org/10.1117/12.2057298

KEYWORDS: Speckle, Wavefronts, Coronagraphy, Adaptive optics, Calibration, Cameras, Wavefront sensors, Detection and tracking algorithms, Telescopes, Phase measurement

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Proceedings Article | 8 July 2014 Paper

Paper

Development and recent results from the Subaru coronagraphic extreme adaptive optics system

N. Jovanovic, O. Guyon, F. Martinache, C. Clergeon, G. Singh, T. Kudo, K. Newman, J. Kuhn, E. Serabyn, B. Norris, P. Tuthill, P. Stewart, E. Huby, G. Perrin, S. Lacour, S. Vievard, N. Murakami, O. Fumika, Y. Minowa, Y. Hayano, J. White, O. Lai, F. Marchis, G. Duchene, T. Kotani, J. Woillez

Proceedings Volume 9147, 91471Q (2014) https://doi.org/10.1117/12.2057249

KEYWORDS: Wavefront sensors, Point spread functions, Coronagraphy, Adaptive optics, Wavefronts, Speckle, Cameras, Deformable mirrors, Sensors, Imaging systems

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Proceedings Article | 13 September 2012 Paper

Paper

Open-loop control of SCExAO’s MEMS deformable mirror using the Fast Iterative Algorithm: speckle control performances

Célia Blain, Olivier Guyon, Frantz Martinache, Colin Bradley, Christophe Clergeon

Proceedings Volume 8447, 844768 (2012) https://doi.org/10.1117/12.926401

KEYWORDS: Speckle, Actuators, Spatial frequencies, Microelectromechanical systems, Wavefronts, Adaptive optics, Deformable mirrors, Control systems, Performance modeling, Exoplanets

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Proceedings Article | 13 September 2012 Paper

Paper

The Subaru coronagraphic extreme AO project: first observations

Frantz Martinache, Olivier Guyon, Christophe Clergeon, Vincent Garrel, Celia Blain

Proceedings Volume 8447, 84471Y (2012) https://doi.org/10.1117/12.927223

KEYWORDS: Coronagraphy, Adaptive optics, Imaging systems, Wavefronts, Diffraction, Speckle, Wavefront sensors, Cameras, Telescopes, Visible radiation

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Proceedings Article | 13 September 2012 Paper

Paper

How ELTs will acquire the first spectra of rocky habitable planets

Olivier Guyon, Frantz Martinache, Eric Cady, Ruslan Belikov, Kunjithapatham Balasubramanian, Daniel Wilson, Christophe Clergeon, Mala Mateen

Proceedings Volume 8447, 84471X (2012) https://doi.org/10.1117/12.927181

KEYWORDS: Planets, Coronagraphy, Stars, Telescopes, Exoplanets, Wavefronts, Wavefront sensors, Space telescopes, Point spread functions, Adaptive optics

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Proceedings Article | 16 September 2011 Paper

Paper

Wavefront control with the Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) system

Olivier Guyon, Frantz Martinache, Christophe Clergeon, Robert Russell, Tyler Groff, Vincent Garrel

Proceedings Volume 8149, 814908 (2011) https://doi.org/10.1117/12.894293

KEYWORDS: Coronagraphy, Wavefronts, Imaging systems, Wavefront sensors, Adaptive optics, Control systems, Diffraction, Speckle, Telescopes, Calibration

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Proceedings Article | 15 September 2011 Paper

Paper

The Subaru coronagraphic extreme AO project: progress report

Frantz Martinache, Olivier Guyon, Vincent Garrel, Christophe Clergeon, Tyler Groff, Paul Stewart, Robert Russell, Celia Blain

Proceedings Volume 8151, 81510Q (2011) https://doi.org/10.1117/12.894310

KEYWORDS: Coronagraphy, Adaptive optics, Wavefronts, Telescopes, Calibration, Imaging systems, Wavefront sensors, Diffraction, Cameras, Control systems

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Showing 5 of 20 publications

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