Dr. Clémentine Béchet Profile

Dr. Clémentine Béchet

at CRAL - Observatoire de Lyon

SPIE Involvement:

Conference Program Committee | Author

Publications (27)

Proceedings Article | 30 August 2022 Presentation + Paper

Towards higher resolution profiling using filtered laser-based adaptive optics telemetry

Clémentine Béchet

Proceedings Volume 12185, 121851O (2022) https://doi.org/10.1117/12.2630488

KEYWORDS: Optical filters, Profiling, Turbulence, Data modeling, Adaptive optics, Wavefront sensors, Atmospheric optics, Fourier transforms, Telescopes

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Proceedings Article | 29 August 2022 Paper

Accurate metrology for focal plane astronomical instruments

L. Vanzi, C. Bechet, M. Flores, A. Zapata, M. Parra, T. Shen, R. Dunner, M. Castro

Proceedings Volume 12188, 121883Y (2022) https://doi.org/10.1117/12.2629684

KEYWORDS: Calibration, Cameras, Metrology, Distortion, 3D acquisition, Imaging systems, Photogrammetry, Optical fibers, Machine vision, Computer vision technology

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Proceedings Article | 29 August 2022 Presentation + Paper

Upgrading the high contrast imaging facility SPHERE: science drivers and instrument choices

A. Boccaletti, G. Chauvin, F. Wildi, J. Milli, E. Stadler, E. Diolaiti, R. Gratton, F. Vidal, M. Loupias, M. Langlois, F. Cantalloube, M. N’Diaye, D. Gratadour, F. Ferreira, M. Tallon, J. Mazoyer, D. Segransan, D. Mouillet, J.-L. Beuzit, M. Bonnefoy, R. Galicher, A. Vigan, I. Snellen, M. Feldt, S. Desidera, S. Rousseau, A. Baruffolo, C. Goulas, P. Baudoz, C. Bechet, M. Benisty, A. Bianco, B. Carry, E. Cascone, B. Charnay, E. Choquet, V. Christiaens, F. Cortecchia, V. Di Capprio, A. De Rosa, C. Desgrange, V. D'Orazi, S. Douté, M. Frangiamore, E. Gendron, C. Ginski, E. Huby, C. Keller, C. Kulcsár, R. Landman, S. Lagarde, E. Lagadec, A.-M. Lagrange, M. Lombini, M. Kasper, F. Ménard, Y. Magnard, G. Malaguti, D. Maurel, D. Mesa, G. Morgante, E. Pantin, T. Pichon, A. Potier, P. Rabou, S. Rochat, l. Terenzi, E. Thiébaut, I. Tallon-Bosc, H.-F Raynaud, D. Rouan, A. Sevin, F. Schiavone, L. Schrieber, A. Zanutta

Proceedings Volume 12184, 121841S (2022) https://doi.org/10.1117/12.2630154

KEYWORDS: Optical spheres, Planets, Exoplanets, Astronomy, Astrophysics, Spectral resolution, Adaptive optics, Stars, Wavefront sensors, Coronagraphy

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Proceedings Article | 26 August 2022 Paper

VERMILION: Visitor Extension spectRal sub-Mid-Infrared Light InterferOmeter iNstrument

Massinissa Hadjara, Romain Petrov, Stéphane Lagarde, Xinyang Chen, Jinhua He, Lei Zhu, Bruno Lopez, Florentin Millour, Anthony Meilland, Alexandre Gallenne, James Leftley, Abdelkarim Boskri, Juncheng Chen, Ernest Michael, Marcos Diaz, Rene Mendez, Amelia Bayo, Miguel Piña, Gabriel Pereira, Sebastián Manosalva, Christian Nitschelm, Juan Pablo Colque, Congcong Zhang, Dan Zhou, Fatmé Allouche, Yinlei Hao, Amokrane Berdja, Felipe Besser, Clémentine Marie Zélia Bechet, Andrés Guesalaga Meissner, Leonardo Vanzi, Abderrahmane Mezaoui, Nourredine Moussaoui

Proceedings Volume 12183, 121831V (2022) https://doi.org/10.1117/12.2627736

KEYWORDS: Stars, Spectral resolution, Astatine, Telescopes, Sensors, Adaptive optics, Spatial resolution, Observatories, K band, Interferometry

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Proceedings Article | 18 July 2018 Presentation + Paper

Innovative real-time processing for solar adaptive optics

Éric Thiébaut, Michel Tallon, Loïc Denis, Maud Langlois, Clémentine Béchet, Gil Moretto, Bernard Gelly

Proceedings Volume 10703, 107031I (2018) https://doi.org/10.1117/12.2313776

KEYWORDS: Adaptive optics, Wavefront sensors, Linear filtering, Deformable mirrors, Wavefronts, Scintillation, Data modeling, Image resolution, Actuators, Control systems

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Proceedings Article | 13 July 2018 Presentation + Paper

Rising MOONS: an update on the VLT’s next multi-object spectrograph as it begins to grow

William Taylor, Michele Cirasuolo, Jose Afonso, Marcella Carollo, Chris Evans, Hector Flores, Roberto Maiolino, Stephane Paltani, Leonardo Vanzi, Manuel Abreu, Jean-Phillipe Amans, David Atkinson, Joe Barrett, Steven Beard, Celementine Béchet, Martin Black, David Boettger, Saskia Brierley, David Buscher, Alexandre Cabral, William Cochrane, João Coelho, Miriam Colling, Ralf Conzelmann, Francesco Dalessio, Louise Dauvin, George Davidson, Holger Drass, Rolando Dünner, Alasdair Fairley, Giles Fasola, Debora Ferruzzi, Martin Fisher, Mauricio Flores, Bianca Garilli, Julien Gaudemard, Oscar Gonzalez, Isabelle Guinouard, Pablo Gutierrez, Peter Hammersley, Régis Haigron, Chris Haniff, Mahmoud Hayati, Derek Ives, Olaf Iwert, Philippe Laporte, David Lee, Gianluca Li Causi, Yerko Luco, Alastair Macleod, Vincenzo Mainieri, Charles Maire, Basile-Thierry Melse, Johannes Nix, Ernesto Oliva, António Oliveira, Livia Origlia, Ian Parry, Fernando Pedichini, Roberto Piazzesi, Phil Rees, Florent Reix, Myriam Rodrigues, Felipe Rojas, Stefano Rota, Frédéric Royer, Pedro Santos, Robin Schnell, Tzu-Chiang Shen, Michael Sordet, Jonathan Strachan, Xiaowei Sun, Graham Tait, Miguel Torres, Andre Tozzi, Simon Tulloch, Álvaro Valenzuela Navarro, Lauren Von Dran, Chris Waring, Stephen Watson, Brian Woodward, Yanbin Yang

Proceedings Volume 10702, 107021G (2018) https://doi.org/10.1117/12.2313403

KEYWORDS: Cameras, Optical fibers, Telescopes, Sensors, Metrology, Calibration, Spectrographs, Galactic astronomy, Astronomical imaging, Stars

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Proceedings Article | 10 July 2018 Paper

Overview of multi-conjugate adaptive optics reconstructors

Clémentine Béchet

Proceedings Volume 10703, 107031B (2018) https://doi.org/10.1117/12.2314397

KEYWORDS: Adaptive optics, Wavefronts, Tomography, Stars, Filtering (signal processing), Systems modeling, Turbulence, Wavefront distortions, Wavefront sensors, Reconstruction algorithms

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Proceedings Article | 9 August 2016 Paper

Implementation and performance of the metrology system for the multi-object optical and near-infrared spectrograph MOONS

Holger Drass, Leonardo Vanzi, Miguel Torres-Torriti, Rolando Dünner , Tzu-Chiang Shen, Francisco Belmar, Lousie Dauvin, Tomás Staig, Jonathan Antognini, Mauricio Flores, Yerko Luco, Clémentine Béchet, David Boettger, Steven Beard, David Montgomery, Stephen Watson, Alexandre Cabral, Mahmoud Hayati, Manuel Abreu, Phil Rees, Michele Cirasuolo, William Taylor, Alasdair Fairley

Proceedings Volume 9908, 99088E (2016) https://doi.org/10.1117/12.2232654

KEYWORDS: Metrology, Spectrographs, Cameras, Astronomical imaging, Time metrology, Calibration, Electroluminescent displays, Target detection, Staring arrays, Telescopes

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Proceedings Article | 27 July 2016 Paper

Laser beam shaping simulations for generation of artificial stars constellations

Héctor González-Núñez, Clémentine Béchet, Andrés Guesalaga

Proceedings Volume 9909, 99095K (2016) https://doi.org/10.1117/12.2232001

KEYWORDS: Adaptive optics, Deformable mirrors, Telescopes, Actuators, Sodium, Electroluminescent displays, Computer simulations, Optical simulations, Stars, Algorithm development

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Proceedings Article | 22 August 2014 Paper

Statistics of atmospheric turbulence at Cerro Pachon using the GeMS profiler

Ignacio Rodriguez, Benoit Neichel, Clémentine Béchet, Dani Guzmán, Andrés Guesalaga

Proceedings Volume 9148, 914866 (2014) https://doi.org/10.1117/12.2056665

KEYWORDS: Turbulence, Adaptive optics, Atmospheric turbulence, Telescopes, Gemini Observatory, Deconvolution, Profiling, Stars, Matrices, Statistical analysis

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Proceedings Article | 7 August 2014 Paper

Laboratory validation of a laser shaping system before guide star projection

Sebastián Zúñiga, Clémentine Béchet, Héctor González-Núñez, Benoit Neichel, Vincent Fesquet, Vincent Garrel, Pedro Escárate, Mario Castro, Dani Guzmán, Andrés Guesalaga

Proceedings Volume 9148, 91483I (2014) https://doi.org/10.1117/12.2056062

KEYWORDS: Actuators, Electroluminescent displays, Adaptive optics, Deformable mirrors, Calibration, Stars, Wavefront sensors, Mirrors, Laser guide stars, Microelectromechanical systems

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Proceedings Article | 4 August 2014 Paper

Towards a reliability assessment of the CN2 and wind speed vertical profiles retrieved from GeMS

Benoît Neichel, Elena Masciadri, Andres Guesalaga, Franck Lascaux, Clémentine Béchet

Proceedings Volume 9148, 914863 (2014) https://doi.org/10.1117/12.2056131

KEYWORDS: Adaptive optics, Turbulence, Atmospheric modeling, Tomography, Stars, Wind measurement, Telescopes, Astronomy, Reliability, 3D modeling

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Proceedings Article | 4 August 2014 Paper

Modeling the effect of high altitude turbulence in wide-field correlating wavefront sensing and its impact on the performance of solar AO systems

I. Montilla, M. Tallon, M. Langlois, C. Béchet, M. Collados Vera

Proceedings Volume 9148, 91486D (2014) https://doi.org/10.1117/12.2054952

KEYWORDS: Adaptive optics, Telescopes, Turbulence, Wavefront sensors, Solar telescopes, Error analysis, Systems modeling, Wavefronts, Device simulation, Atmospheric modeling

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Proceedings Article | 21 July 2014 Paper

Turbulence profiling methods applied to ESO's adaptive optics facility

Javier Valenzuela, Clémentine Béchet, Aurea Garcia-Rissmann, Frédéric Gonté, Johann Kolb, Miska Le Louarn, Benoît Neichel, Pierre-Yves Madec, Andrés Guesalaga

Proceedings Volume 9148, 91481X (2014) https://doi.org/10.1117/12.2054740

KEYWORDS: Adaptive optics, Turbulence, Wavefront sensors, Stars, Error analysis, Telescopes, Photons, Deconvolution, Statistical analysis, Gemini Observatory

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