Dr. Ronald Roelfsema
at ASTRON
SPIE Involvement:
Author
Publications (38)

Proceedings Article | 29 August 2022 Poster + Paper
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

Proceedings Article | 11 July 2018 Paper
Proceedings Volume 10702, 1070291 (2018) https://doi.org/10.1117/12.2312075
KEYWORDS: Calibration, Integrating spheres, Black bodies, Mid-IR, Alignment procedures, Infrared backgrounds

Proceedings Article | 10 July 2018 Paper
Ronald Roelfsema, Johan Pragt, Rik ter Horst, Tibor Agocs, Olga Bellido, Joar Brynnel, Ariadna Calcines-Rosario, Steffen Frey, Amina Helmi, Jeroen Herrewijnen, Tom Houtsma, Roelof de Jong, Michael Lehmitz, Graham Murray, Gert Musters, Ramon Navarro, Allar Saviauk, Olivier Schnurr, Ray Sharples, Roland Winkler
Proceedings Volume 10702, 107027V (2018) https://doi.org/10.1117/12.2312473
KEYWORDS: Calibration, Fabry–Perot interferometers, Telescopes, Integrating spheres, Lamps, Spectrographs, Light sources, Beam splitters, Astronomical imaging, Spectrometers

Proceedings Article | 10 July 2018 Paper
Proceedings Volume 10702, 107028P (2018) https://doi.org/10.1117/12.2310112
KEYWORDS: Calibration, Optical design, Mirrors, Diffraction, Optical benches, Relays, Wavefronts, Mid-IR, Imaging systems, Astronomy

Proceedings Article | 9 August 2016 Paper
Proceedings Volume 9908, 99083D (2016) https://doi.org/10.1117/12.2233953
KEYWORDS: Wavefronts, Optical spheres, Cameras, Actuators, Calibration, Coronagraphy, Mirrors, Infrared radiation, Sensors, Iterated function systems

Showing 5 of 38 publications
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