Dr. Juan Antonio Marrero Hernández Profile

Dr. Juan Antonio Marrero Hernández

at European Southern Observatory

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Author

Publications (5)

Proceedings Article | 11 September 2024 Poster + Paper

Detailed design and first test results of the ELT prefocal station hosted metrology

S. Schmid, E. Aller Carpentier, C. Dupuy, P. Ferreira, S. Guisard, P. Jolley, A. Jost, S. Leveque, S. A. Lewis, J. Marrero, H. Sommer

Proceedings Volume 13094, 130944M (2024) https://doi.org/10.1117/12.3019848

KEYWORDS: Metrology, Optical alignment, Calibration, Laser metrology

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Proceedings Article | 29 August 2024 Poster + Paper

A hovercraft to clean large telescope mirrors

Ronald Holzlöhner, Juan Antonio Marrero Hernández

Proceedings Volume 13100, 131005Y (2024) https://doi.org/10.1117/12.3019816

KEYWORDS: Mirrors, Mirror surfaces, Particles, Telescopes, Silver, Contamination, Aluminum mirrors, Aluminum, Large telescopes

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Proceedings Article | 23 August 2024 Presentation + Paper

Logistics and integration of series-production items for the ELT: a new challenge at ESO

Sebastien Egner, Philippe Gitton, Lluis Cavaller Marques, Carina Celedon, Andreia Centeio, Emanuela Ciattaglia, Martin Dimmler, Nicola Di Lieto, Michael Esselborn, Andreas Förster, Juan-Carlos González-Herrera, Ronald Guzman, Robert Hamilton, Aglae Kellerer, Herve Kurlandczyk, Yannick Lammen, Juan Marrero Hernández, Tobias Müller, Ricardo Parra, Lorenzo Pettazzi, Dan Pilbauer, Andreas Reinacher, Jürgen Riesel, Dario Serrano

Proceedings Volume 13099, 130990N (2024) https://doi.org/10.1117/12.3020054

KEYWORDS: Document management, Telescopes, Manufacturing, Glasses, Human-machine interfaces, Data acquisition, Visualization, Statistical analysis

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Proceedings Article | 10 July 2018 Presentation + Paper

Meter-class mirror figure metrology using a 24-channel fiber interferometer

Ronald Holzlöhner, Samuel Lévêque, Nicola Di Lieto, Juan-Antonio Marrero Hernández, Andrew Rakich

Proceedings Volume 10706, 107061F (2018) https://doi.org/10.1117/12.2312642

KEYWORDS: Mirrors, Collimators, Metrology, Interferometers, Prototyping, Interferometry, Distance measurement, Telescopes, Finite element methods, Monochromatic aberrations

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Proceedings Article | 6 July 2018 Paper

A concept for a new spectroscopic facility

Luca Pasquini, B. Delabre, R. Ellis, J.-A. Marrero, L. Cavaller Marques, T. de Zeeuw

Proceedings Volume 10700, 107004E (2018) https://doi.org/10.1117/12.2313076

KEYWORDS: Telescopes, Spectrographs, Mirrors, Spectroscopy, Sensors, Cameras, Optical instrument design, Large Synoptic Survey Telescope

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