Mr. John Spanos Profile

John Spanos

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Publications (3)

Proceedings Article | 27 August 2024 Presentation + Paper

Frank Groark, Peter Thompson, Hugo Chiquito, Glenn Brossus, John Spanos, Daniele Gallieni, Roberto Biasi, Matteo Tintori, Mauro Manetti, Pierluigi Fumi, Francesco Leonardi

Proceedings Volume 13097, 130972N (2024) https://doi.org/10.1117/12.3020597

KEYWORDS: Actuators, Optical surfaces, Manufacturing, Zerodur, Design, Telescopes, Adaptive mirrors, Finite element methods

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Proceedings Article | 30 August 2022 Poster + Paper

GMT ASM prototype dynamic and optical tests results

M. Andrighettoni, R. Biasi, M. Manetti, M. Tintori, D. Gallieni, P. Thompson, J. Spanos, A. Bouchet, F. Groark

Proceedings Volume 12185, 121857X (2022) https://doi.org/10.1117/12.2630750

KEYWORDS: Optical testing, Prototyping, Fluid dynamics, Sensors, Interferometers, Temperature metrology, Electronics, Cooling systems, Sensor calibration

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Proceedings Article | 30 August 2022 Poster + Paper

GMT ASM co-phasing numerical simulation and experimental results

M. Manetti, R. Biasi, M. Tintori, D. Gallieni, P. Thompson, J. Spanos, A. Bouchez, F. Quiros, B. Sitarski, F. Groark

Proceedings Volume 12185, 121857V (2022) https://doi.org/10.1117/12.2630749

KEYWORDS: Sensors, Mirrors, Telescopes, Device simulation, Error analysis, Computer simulations, Numerical simulations, Motion models, Control systems, Deformable mirrors

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