Dr. Caroline B. Lim Profile

Dr. Caroline B. Lim

at ONERA

SPIE Involvement:

Author

Publications (11)

Proceedings Article | 12 July 2023 Open Access

Experimental assessment of various optical communication chains for high-capacity optical feeder links

A. Maho, S. Levêque, A. Le Kernec, B. Benazet, A. Montmerle Bonnefois, J.-M. Conan, C. Lim, J. Montri, P. Perrault, C. Petit, B. Sorrente, L. Paillier, N. Védrenne, D. Matter, L. Pommarel, H. Lindberg, L. Francou, M. Soton

Proceedings Volume 12777, 127771C (2023) https://doi.org/10.1117/12.2689279

KEYWORDS: Free space optics, Optical transmission, Optical communications, Adaptive optics, Modulation, Channel projecting optics, Atmospheric propagation, Atmospheric optics, Turbulence, Astronomical imaging

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Proceedings Article | 12 July 2023 Open Access

FEELINGS, ONERA's optical ground terminal for AO pre-compensated GEO feeder links demonstration

A. Bonnefois, C. Petit, J.M. Conan, A. Durecu, F. Gustave, C. Lim, J. Montri, L. Paillier, P. Perrault, M.T. Velluet, J.B. Volatier, N. Vedrenne

Proceedings Volume 12777, 127771P (2023) https://doi.org/10.1117/12.2689677

KEYWORDS: Adaptive optics, Design and modelling, Turbulence, Modulation, Astronomical imaging, Telescopes, Satellites, Atmospheric optics, Wavefront sensors, Telecommunications

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Proceedings Article | 29 August 2022 Presentation + Paper

HARMONI at ELT: overview of the capabilities and expected performance of the ELT's first light, adaptive optics assisted integral field spectrograph.

Niranjan Thatte, Dave Melotte, Benoit Neichel, David Le Mignant, Ian Bryson, Fraser Clarke, Vanessa Ferraro-Wood, Thierry Fusco, Oscar Gonzalez, Hermine Schnetler, Matthias Tecza, Sandi Wilson, Alonso Álvarez Urueña, Heribert Vilaseca, Santiago Arribas, Gonzalo José Carracedo Carballale, Alejandro Crespo, Alberto Estrada Piqueras, Miriam García García, Cecilai Martínez Martín, Miguel Pereira Santaella, Michele Perna, Javier Piqueras Lopez, Niolas Bouché, Didier Boudon, Eric Daguise, Karen Disseau, Jérémy Fensch, Adrien Girardot, Matthieu Guibert, Aurélien Jarno, Alexandre Jeanneau, Jens-Kristian Krogager, Florence Laurent, Magali Loupias, Jean-Emmanuel Migniau, Laure Piqueras, Alban Remillieux, Johan Richard, Arlette Pecontal, Lisa Bardou, David Barr, Sylvain Cetre, Rishi Deshmukh, Sofia Dimoudi, Marc Dubbledam, Andrew Dunn, Dimitri Gadotti, Joss Guy, David King, David Little, Anna McLeod, Simon Morris, Tim Morris, Kieran O'Brien, Emily Ronson, Russell Smith, Lazar Staykov, Mark Swinbank, Matthew Townson, Matteo Accardo, Domingo Alvarez Mendez, Elizabeth George, Joshua Hopgood, Derek Ives, Leander Mehrgan, Eric Mueller, Javier Reyes, Ralf Conzelmann, Pablo Gutierrez Cheetham, Ángel Alonso-Sánchez, Giuseppina Battaglia, Miguel Cagigas, Haresh Chulani, Graciela Delgado García, Patricia Fernandez Izquierdo, Ana Belén Fragoso López, Begoña García-Lorenzo, Alberto Hernández González, Elvio Hernandez Suarez, Jose Miguel Herreros Linares, Enrique Joven, Roberto López López, Alejandro Antonio Lujan Gonzalez, Yolanda Martín Hernando, Evencio Mediavilla, Saúl Menéndez Mendoza, Luz Maria Montoya Martínez, José Peñate Castro, Álvaro Pérez, Jose Luis Rasilla, Rafael Rebolo, Luis Fernando Rodríguez Ramos, Afrodisio Vega-Moreno, Teodora Viera, Natacha Zanon Dametto, Alexis Carlotti, Jean-Jacques Correia, Stéphane Curaba, Alain Delboulbe, Sylvain Guieu, Adrien Hours, Zoltan Hubert, Laurent Jocou, Yves Magnard, Thibaut Moulin, Fabrice Pancher, Patrick Rabou, Eric Stadler, Maxime Vérove, Thierry Contini, Marie Larrieu, Olivier Boebion, Yan Fantei-Caujolle, Daniel Lecron, Sylvain Rousseau, Philippe Amram, Olivier Beltramo-Martin, William Bon, Anne Bonnefoi, William Ceria, Zalpha Challita, Yannick Charles, Elodie Choquet, Carlos Correia, Anne Costille, Kjetil Dohlen, Franck Ducret, Kacem El Hadi, Jean-Luc Gach, Jean-Luc Gimenez, Olivier Groussin, Marc Jaquet, Pierre Jouve, Fabrice Madec, Felipe Pedreros, Edgard Renault, Patrice Sanchez, Arthur Vigan, Pascal Vola, Annie Zavago, Romain Fetick, Caroline Lim, Cyril Petit, Jean-Francois Sauvage, Nicolas Védrenne, Fehim Taha Bagci, Martin Caldwell, Ellis Elliott, Peter Hiscock, Emma Johnson, Murali Nalagatla, Aristea Seitis, Mark Wells, Martin Black, Charlotte Bond, Saskia Brierley, Kenny Campbell, Neil Campbell, James Carruthers, William Cochrane, Chris Evans, Joel Harman, William Humphreys, Thomas Louth, Chris Miller, David Montgomery, Meenu Murali, John Murray, Norman O'Malley, Ruben Sanchez-Janssen, Noah Schwartz, Patrick Smith, Jonathan Strachan, Stephen Todd, Stuart Watt, Martyn Wells, Asim Yaqoob, Eric Bell, Oleg Gnedin, Kayhan Gultekin, Mario Mateo, Michael Meyer, Munadi Ahmad, Jayne Birkby, Michael Booth, Michele Cappellari, Edgar Castillo Dominguez, Jorge Chao Ortiz, David Gooding, Kearn Grisdale, Andrea Hidalgo, Laurence Hogan, James Kariuki, Ian Lewis, Adam Lowe, Zeynep Ozer, Laurence Routledge, Dimitra Rigopoulou, Alec York

Proceedings Volume 12184, 1218420 (2022) https://doi.org/10.1117/12.2628834

KEYWORDS: Adaptive optics, Stars, Iterated function systems, Telescopes, Galactic astronomy, Spectrographs, Wavefront sensors, Spatial resolution, Sensors, Calibration

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Proceedings Article | 11 June 2021 Open Access

Performance analysis of an adaptive optics based optical feeder link ground station

Nicola Vedrenne, Cyril Petit, A. Montmerle-Bonnefois, C. Lim, J.-M. Conan, L. Paillier, M.-T. Velluet, K. Caillault, F. Gustave, A. Durecu, V. Michau, F. Cassaing, S. Meimon, J. Montri

Proceedings Volume 11852, 1185219 (2021) https://doi.org/10.1117/12.2599232

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Proceedings Article | 11 June 2021 Open Access

The H2020 VERTIGO project towards tbit/s optical feeder links

A. Le Kernec, L. Canuet, A. Maho, M. Sotom, D. Matter, L. Francou, J. Edmunds, M. Welch, E. Kehayas, N. Perlot, M. Krzyzek, Anagnostis Paraskevopoulos, J. Leuthold, Y. Horst, J. Bourderionnet, A. Brignon, E. Lallier, V. Billault, L. Leviandier, J.-M. Conan, N. Védrenne, C. Lim, A. Montmerle-Bonnefois, C. Petit, L. Stampoulidis, M. Fehrenz, T. Lehnigk-Emden

Proceedings Volume 11852, 1185217 (2021) https://doi.org/10.1117/12.2599229

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To concurrently cope with the scarcity of RF frequency bands, the growing capacity demand and the required lower cost of the ground segment, Very High Throughput Satellites systems must rely on new technical solutions. Optical feeder links are considered as a promising alternative to surpass classical RF technology, offering assets inherent to optical technologies (large bandwidth, no frequency regulation, low beam divergence, components availability). Nevertheless the potential of this technology shall not conceal the remaining challenges to be overcome to make it relevant for operational missions : clouds, turbulence, power generation and high efficiency modulations. VERTIGO (Very High Throughput Satellite Ground Optical Link) is a 3-year H2020 project funded by the European commission and started mid-2019 focusing on the optical link itself regardless of site diversity aspect and aiming at demonstrating in a ground demonstration required technologies to implement very high capacity optical feeder links. In particular, VERTIGO is built on 3 pillars each addressing a key issue for the implementation of optical feerder links: 1) Throughput increase through the use of advanced schemes with high spectral and power efficiency compared to current modulations used in space, as well as RF-over-Fiber approach. 2) High optical power generation to close the demanding link budgets by developing on-board and ground means to raise the transmitted optical power, not only based on amplifier power increase, but also on incoherent/coherent power combining. 3) Opto-mechanical and digital techniques for the mitigation of atmospheric propagation impairments, to make full use of throughput and power increases. Several demonstrations in-flight or on-ground already demonstrated separately key aspects (atmospheric propagation and impairments mitigation techniques, modulation format, high power…), for the implementation of optical (feeder) links. These aspects are closely linked since the solutions to each of them are necessary but not sufficient to allow for high throughput transmissions. VERTIGO concept is to address each key issue with at least one solution and to combine them in an unprecedented manner. To reach these objectives, VERTIGO will lean on a highly skilled consortium composed of : CREONIC, ETH Zürich, Fraunhofer HHI, Gooch and Housego, Leo Space Photonics RD, ONERA, Thales Research and Technology, Thales Alenia Space in France and Switzerland. This paper will present the VERTIGO project and its status.

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