Dr. Ioannis Politopoulos Profile

Dr. Ioannis Politopoulos

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Publications (2)

Proceedings Article | 29 August 2022 Poster + Paper

4MOST calibration system: design, assembly, and testing

Ioannis Politopoulos, Johan Pragt, Rik ter Horst, Ronald Roelfsema, Olga Bellido-Tirado, Joar Brynnel, Steffen Frey, Amina Helmi, Jeroen Herrewijnen, Roelof de Jong, Michael Lehmitz, Ramon Navarro, Allar Saviauk, Ray Sharples, Luke Tyas, Jurgen Schmoll, Walter Seifert, Menno de Haan, Menno Schuil, Eddy Elswijk, Eduardo Balbinot

Proceedings Volume 12184, 1218473 (2022) https://doi.org/10.1117/12.2629542

KEYWORDS: Calibration, Spectrographs, Integrating spheres, Telescopes, Fabry–Perot interferometers, Lamps, Camera shutters, Sensors, Mirrors, Lawrencium

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Proceedings Article | 28 December 2020 Paper

Towards a physical understanding of the thermal background in large ground-based telescopes

Leonard Burtscher, Ioannis Politopoulos, Sergio Fernández-Acosta, Tibor Agocs, Mario van den Ancker, Roy van Boekel, Bernhard Brandl, Hans-Ulrich Käufl, Eric Pantin, Alex Pietrow, Ralf Siebenmorgen, Remko Stuik, Konrad Tristram, Willem-Jan de Wit

Proceedings Volume 11447, 114477L (2020) https://doi.org/10.1117/12.2576271

KEYWORDS: Mid-IR, Telescopes, Spectrographs, Ray tracing, Imaging systems, Exoplanets, Cryogenics, Cameras

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