CONFERENCE PROCEEDINGS
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Antoine Ummel
at CSEM SA
SPIE Involvement:
Author
Publications (5)
Proceedings Article | 12 July 2023 Open Access Paper
Front-window replacement and performance characterization of a commercial digital micro-mirror device for use in the infrared spectrum
G. Borque Gallego, L. Giriens, A. Ummel, J.-C. Roulet, D. Guzzi, V. Raimondi, C. Pache
Proceedings Volume 12777, 127777M (2023) https://doi.org/10.1117/12.2691450
KEYWORDS: Digital micromirror devices, Windows, Micromirrors, Sapphire, Switching, Mid-IR, Indium, Epoxies, Astronomical imaging, Spatial light modulators
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Proceedings Article | 12 July 2023 Open Access Paper
Towards a spatial light modulator technology for space applications: performance analysis under the environmental conditions
Sara Francés González, Dirk Berndt, Guzmán Borque Gallego, Donato Borrelli, Ulrike Dauderstädt, Peter Dürr, Markus Eckert, Jörg Heber, Detlef Kunze, Christophe Pache, Giuseppe Pilato, Valentina Raimondi, Enrico Suetta, Hannes Torlee, Antoine Ummel, Michael Wagner
Proceedings Volume 12777, 127773U (2023) https://doi.org/10.1117/12.2690567
KEYWORDS: Vacuum chambers, Temperature metrology, Spatial light modulators, Vibration, Mirrors, Micromirrors, Vacuum, Astronomical imaging, Aerospace engineering, Windows
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Proceedings Article | 12 July 2023 Open Access Paper
Verification of straylight rejection of optical science payloads using a pulsed laser source
Antoine Ummel, Jean-Christophe Roulet, Jannis Holzer, Fabien Droz, Thomas Weigel, Lionel Clermont, Marc Georges, Juliana Abrantes, Dana Tomuta, Kate Isaak, Dominc Doyle, Micael Miranda, Christophe Pache
Proceedings Volume 12777, 127774O (2023) https://doi.org/10.1117/12.2690880
KEYWORDS: Baffles, Mirrors, Picosecond phenomena, Design and modelling, Optical surfaces, Breadboards, Telescopes, Astronomical imaging, Mirror surfaces, Pulsed laser operation
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Proceedings Article | 13 December 2020 Presentation + Paper
Focus mechanism for EXOMARS mission: lessons learned from preliminary design to space flight model delivery
Proceedings Volume 11443, 114432W (2020) https://doi.org/10.1117/12.2560628
KEYWORDS: Space operations, Actuators, Sensors, Reliability, Lenses, Prisms, Transformers, Control systems, Chemical elements, Position sensors
Proceedings Article | 13 December 2020 Poster + Paper
PULSAR: development of a mirror tile prototype for future large telescopes robotically assembled in space
Proceedings Volume 11451, 1145142 (2020) https://doi.org/10.1117/12.2576237
KEYWORDS: Mirrors, Pulsars, Prototyping, Space robots, Space mirrors, Large telescopes, Space telescopes, Robotics, Objectives, Aerospace engineering
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