Dr. David A. Girou
Scientist/Engineer at cosine measurement systems
SPIE Involvement:
Author
Publications (40)

Proceedings Article | 21 August 2024 Poster + Paper
S. Massahi, S. Svendsen, D. Paredes-Sanz, D. D. Ferreira, F. Christensen, N. Gellert, A. 'S Jegers, M. Collon, D. Girou, B. Landgraf, A. Thete, I. Ferreira, M. Bavdaz, L. Cibik, D. Skroblin, C. Gollwitzer, M. Krumrey
Proceedings Volume 13093, 1309356 (2024) https://doi.org/10.1117/12.3020396
KEYWORDS: Chromium, Film thickness, Coating stress, Thin films, Thin film coatings, Design, Data modeling, Surface roughness, Reflectivity, Data acquisition

Proceedings Article | 21 August 2024 Poster + Paper
Proceedings Volume 13093, 130934S (2024) https://doi.org/10.1117/12.3020164
KEYWORDS: Crystals, X-rays, Calibration, Collimation, Parabolic mirrors, Laser crystals, X-ray optics, Point spread functions, X-ray sources, Quartz

Proceedings Article | 21 August 2024 Poster + Paper
Proceedings Volume 13093, 130934R (2024) https://doi.org/10.1117/12.3019866
KEYWORDS: Mirrors, X-ray optics, Silicon, Metrology, X-rays, Wafer level optics, Semiconducting wafers, Inspection, Robots, Optical surfaces

Proceedings Article | 21 August 2024 Presentation + Paper
Proceedings Volume 13093, 1309319 (2024) https://doi.org/10.1117/12.3019675
KEYWORDS: Mirrors, X-rays, X-ray optics, Silicon, Semiconducting wafers, Optical benches, Spatial resolution, Optics manufacturing, X-ray telescopes, Robots

Proceedings Article | 21 August 2024 Presentation + Paper
Proceedings Volume 13093, 1309318 (2024) https://doi.org/10.1117/12.3019059
KEYWORDS: Mirrors, X-ray optics, X-rays, Spatial resolution, Space mirrors, X-ray telescopes, Synchrotrons, Silicon, Collimation, X-ray technology

Proceedings Article | 21 August 2024 Poster + Paper
S. Svendsen, D. D. Ferreira, S. Massahi, D. Paredes-Sanz, N. Gellert, A. S' Jegers, F. Christensen, A. Thete, B. Landgraf, D. Girou, M. Collon, D. Skroblin, L. Cibik, C. Gollwitzer, M. Krumrey, I. Ferreira, M. Bavdaz
Proceedings Volume 13093, 130934T (2024) https://doi.org/10.1117/12.3020334
KEYWORDS: Multilayers, Design, Optical coatings, X-rays, Thin film coatings, Mirrors, X-ray characterization, Chromium

Proceedings Article | 21 August 2024 Poster + Paper
D. Paredes-Sanz, S. Massahi, S. Svendsen, D. D. Ferreira, R. Martins, N. Gellert, A. 'S Jegers, B. Landgraf, A. Thete, I. Ferreira, M. Bavdaz, D. Girou, M. Collon, F. Christensen
Proceedings Volume 13093, 130935C (2024) https://doi.org/10.1117/12.3020934
KEYWORDS: Coating, Contamination, Mirrors, Reflectivity, Particles, Plasma, X-ray optics, Carbon, Vacuum, Thin film coatings

Proceedings Article | 22 November 2023 Poster
Boris Landgraf, Nicolas Barrière, Alex Bayerle, Maximilien Collon, David Girou, Laurens Keek, Adam Lassise, Giuseppe Vacanti, Aniket Thete, Ramses Gunther, Christian Koernig, Mark Vervest, Luc Voruz
Proceedings Volume PC12750, PC127500W (2023) https://doi.org/10.1117/12.2687643
KEYWORDS: Silicon, Wafer-level optics, X-ray optics, Optics manufacturing, X-rays, Semiconducting wafers, X-ray technology, Surface roughness, Mirrors, Space mirrors

Proceedings Article | 5 October 2023 Presentation + Paper
Proceedings Volume 12679, 1267902 (2023) https://doi.org/10.1117/12.2678522
KEYWORDS: Mirrors, X-ray optics, Spatial resolution, X-rays, Optical coatings, X-ray telescopes, Silicon, X-ray technology, Telescopes, Compliance

Proceedings Article | 5 October 2023 Presentation + Paper
Proceedings Volume 12679, 126790J (2023) https://doi.org/10.1117/12.2677653
KEYWORDS: Silicon, Crystals, Polarimetry, Polarization, Hard x-rays, Point spread functions, Lens design, Photons, Mirrors, Design and modelling

Proceedings Article | 5 October 2023 Presentation + Paper
Proceedings Volume 12679, 1267903 (2023) https://doi.org/10.1117/12.2678106
KEYWORDS: Mirrors, Silicon, X-ray optics, Semiconducting wafers, Wafer-level optics, X-rays, Synchrotron radiation, Ion beam finishing, Mirror surfaces, Laser cutting

Proceedings Article | 5 October 2023 Presentation + Paper
Proceedings Volume 12679, 1267905 (2023) https://doi.org/10.1117/12.2677388
KEYWORDS: Silicon, X-ray optics, X-rays, Mirrors, X-ray technology, Reflection gratings, Observatories, Optical gratings, Spectroscopy, Prototyping

Proceedings Article | 12 July 2023 Open Access Paper
Proceedings Volume 12777, 127770R (2023) https://doi.org/10.1117/12.2689003
KEYWORDS: Mirrors, Silicon, X-rays, Semiconducting wafers, Optics manufacturing, X-ray optics, Robots, Astronomical imaging, Wafer-level optics, Space mirrors

Proceedings Article | 31 August 2022 Presentation + Paper
Proceedings Volume 12181, 121810U (2022) https://doi.org/10.1117/12.2630775
KEYWORDS: Mirrors, Semiconducting wafers, Silicon, X-rays, Robots, X-ray optics, Wafer-level optics, Synchrotron radiation, Optical fabrication, Optical coatings

Proceedings Article | 17 September 2021 Presentation + Paper
Proceedings Volume 11822, 1182208 (2021) https://doi.org/10.1117/12.2594171
KEYWORDS: Mirrors, Tolerancing, Confocal microscopy, Mirror structures, Ear, X-ray optics, Epoxies, Silicon, Point spread functions, Optical alignment

Proceedings Article | 3 September 2021 Presentation + Paper
Proceedings Volume 11822, 1182207 (2021) https://doi.org/10.1117/12.2594234
KEYWORDS: Coating, Mirrors, Silicon, Semiconducting wafers, Photoresist materials, Optics manufacturing, Reflectivity, Inspection, Photography, Packaging

Proceedings Article | 31 August 2021 Presentation + Paper
Proceedings Volume 11822, 1182206 (2021) https://doi.org/10.1117/12.2593505
KEYWORDS: Mirrors, X-ray optics, X-rays, Robots, X-ray telescopes, Silicon, Semiconducting wafers, Wafer-level optics, Coating

Proceedings Article | 23 August 2021 Presentation + Paper
S. Massahi, D. Ferreira, F. Christensen, N. Gellert, S. Svendsen, P. Henriksen, A. 'S Jegers, M. Collon, B. Landgraf, D. Girou, A. Thete, B. Shortt, I. Ferreira, M. Bavdaz, W. Schönberger, A. Langer
Proceedings Volume 11822, 118220B (2021) https://doi.org/10.1117/12.2594422
KEYWORDS: Thin film coatings, Coating, Argon, Thin films, Plasma, Deposition processes, Chemical species, Boron, Ions, Sputter deposition

Proceedings Article | 23 August 2021 Presentation + Paper
Proceedings Volume 11822, 1182209 (2021) https://doi.org/10.1117/12.2594230
KEYWORDS: Mirrors, X-ray optics, X-rays, Space operations, Silicon, Remote sensing, Mirror structures, X-ray telescopes, X-ray characterization, Optical testing

Proceedings Article | 23 August 2021 Presentation + Paper
Proceedings Volume 11822, 118220H (2021) https://doi.org/10.1117/12.2594093
KEYWORDS: Contamination, X-rays, X-ray optics, Sensors, Particles, Silicon, Error analysis, Mirrors, X-ray detectors, Photometry

Proceedings Article | 11 June 2021 Open Access Presentation + Paper
Proceedings Volume 11852, 118521Z (2021) https://doi.org/10.1117/12.2599339

Proceedings Article | 13 December 2020 Poster + Paper
Sara Svendsen, Desiree D. Ferreira, Sonny Massahi, Atefeh Jafari, Nis Gellert, Finn Christensen, Peter Henriksen, Lan Vu, Arne Jegers, Brian Shortt, Boris Landgraf, David Girou, Maximillien Collon, Levent Cibik, Evelyn Handick, Michael Krumrey
Proceedings Volume 11444, 114444K (2020) https://doi.org/10.1117/12.2562430
KEYWORDS: Silicon carbide, Telescopes, X-ray telescopes, Mirrors, Optical coatings, Infrared telescopes, X-rays, Device simulation, Thin film coatings, Infrared coatings

Proceedings Article | 13 December 2020 Poster + Paper
S. Massahi, L. Vu, D. D. Ferreira, F. Christensen, N. Gellert, P. Henriksen, S. Svendsen, A. 'S Jegers, M. Collon, B. Landgraf, D. Girou, A. Thete, B. Shortt, I. Ferreira, M. Bavdaz
Proceedings Volume 11444, 114444N (2020) https://doi.org/10.1117/12.2576298
KEYWORDS: Thin films, Iridium, Chromium, Surface roughness, Silicon films, Telescopes, Silicon, High energy astrophysics

Proceedings Article | 30 October 2019 Presentation + Paper
Proceedings Volume 11119, 111190E (2019) https://doi.org/10.1117/12.2530941
KEYWORDS: Mirrors, Silicon, Manufacturing, X-ray optics, Optics manufacturing, X-rays, Semiconducting wafers, Reflectivity, Metals

Proceedings Article | 8 October 2019 Presentation + Paper
Proceedings Volume 11119, 111190K (2019) https://doi.org/10.1117/12.2530866
KEYWORDS: Silicon, X-ray optics, Mirrors, Space operations, X-ray telescopes, High energy astrophysics, X-rays, Observatories, Spatial resolution, Mirror stabilization

Proceedings Article | 12 September 2019 Paper
Proceedings Volume 11119, 111190L (2019) https://doi.org/10.1117/12.2530696
KEYWORDS: Silicon, Wafer-level optics, X-ray optics, Semiconducting wafers, Lightweight mirrors, Mirrors, X-ray telescopes, Spatial resolution, Gamma radiation, Biomedical optics

Proceedings Article | 10 September 2019 Paper
Proceedings Volume 11119, 111190J (2019) https://doi.org/10.1117/12.2530706
KEYWORDS: Mirrors, Confocal microscopy, Silicon, X-ray technology, X-ray optics, X-rays, Mirror structures, Observatories, Synchrotron radiation

Proceedings Article | 9 September 2019 Presentation + Paper
S. Massahi, F. Christensen, D. D. Ferreira, A. Jafari, S. Svendsen, P. Henriksen, B. Shortt, I. Ferreira, M. Bavdaz, M. Collon, B. Landgraf, D. Girou, A. Langer, W. Schönberger, T. Wellner, M. Krumrey, L. Cibik
Proceedings Volume 11119, 111190F (2019) https://doi.org/10.1117/12.2528351
KEYWORDS: Coating, Iridium, Boron, Mirrors, Thin films, Silicon, Silicon films, Collimation, Silicon carbide, Thin film deposition

Proceedings Article | 9 September 2019 Paper
Proceedings Volume 11119, 111190I (2019) https://doi.org/10.1117/12.2530977
KEYWORDS: X-ray optics, X-rays, Silicon, Optics manufacturing, X-ray technology, Mirrors, Metrology, Observatories, X-ray characterization, Synchrotron radiation

Proceedings Article | 9 September 2019 Paper
S. Svendsen, S. Massahi, D. D. Ferreira, F. Christensen, A. Jafari, P. Henriksen, M. Collon, B. Landgraf, D. Girou, M. Krumrey, L. Cibik, A. Schubert, E. Handick, B. Shortt
Proceedings Volume 11119, 111190G (2019) https://doi.org/10.1117/12.2528664
KEYWORDS: Silicon carbide, Thin film coatings, Silicon, Mirrors, X-rays, Optical coatings, Thin films, Reflectivity, Multilayers

Proceedings Article | 12 July 2019 Open Access Paper
Maximilien Collon, Giuseppe Vacanti, Nicolas Barrière, Boris Landgraf, Ramses Günther, Mark Vervest, Luc Voruz, Sjoerd Verhoex, Ljubiša Babić, Roy van der Hoeven, Kim van Straeten, Abdel Chatbi, David Girou, Marco Beijersbergen, Marcos Bavdaz, Eric Wille, Sebastiaan Fransen, Brian Shortt, Ivo Ferreira, Jeroen Haneveld, Arenda Koelewijn, Karin Booysen, Maurice Wijnperle, Jan-Joost Lankwarden, Coen van Baren, Alexander Eigenraam, Jan Willem den Herder, Peter Müller, Michael Krumrey, Vadim Burwitz, Giovanni Pareschi, Sonny Massahi, Desiree Della Monica Ferreira, Finn Christensen, Giuseppe Valsecchi, Paul Oliver, Ian Chequer, Kevin Ball, Karl-Heinz Zuknik, Dervis Vernani
Proceedings Volume 11180, 1118023 (2019) https://doi.org/10.1117/12.2535994
KEYWORDS: Mirrors, Silicon, X-rays, Coating, Reflectivity, X-ray optics, Semiconducting wafers, Spatial resolution, Robots, Coating equipment

Proceedings Article | 18 July 2018 Presentation + Paper
Maximilien Collon, Giuseppe Vacanti, Nicolas Barriere, Boris Landgraf, Ramses Guenther, Mark Vervest, Roy van der Hoeven, Abdel Chatbi, David Girou, Jessica Sforzini, Marco Beijersbergen, Marcos Bavdaz, Eric Wille, Sebastiaan Fransen, Brian Shortt, Jeroen Haneveld, Karin Booysen, Arenda Koelewijn, Maurice Wijnperlé, Coen van Baren, Alexander Eigenraam, Peter Müller, Michael Krumrey, Vadim Burwitz, Daniele Spiga, Giovanni Pareschi, Sonny Massahi, Finn Christensen, Desiree Della Monica Ferreira, Giuseppe Valsecchi, Paul Oliver, Ian Chequer, Kevin Ball, Karl-Heinz Zuknik
Proceedings Volume 10699, 106990Y (2018) https://doi.org/10.1117/12.2314479
KEYWORDS: Silicon, Mirrors, X-ray optics, X-rays, Observatories, Spatial resolution

Proceedings Article | 13 October 2017 Presentation + Paper
Proceedings Volume 10399, 103990G (2017) https://doi.org/10.1117/12.2274298
KEYWORDS: Mirrors, Silicon, Annealing, X-ray optics, Failure analysis, Space telescopes, X-rays, Space mirrors, Multilayers, Climatology

Proceedings Article | 4 October 2017 Paper
Proceedings Volume 10399, 103991Y (2017) https://doi.org/10.1117/12.2273830
KEYWORDS: Silicon, Photons, Crystals, Point spread functions, Diffraction, X-ray optics, Gamma radiation, Wafer-level optics, Hard x-rays, Lens design

Proceedings Article | 21 September 2017 Paper
Giuseppe Vacanti, Nicolas Barriére, Marcos Bavdaz, Abdelhakim Chatbi, Maximilien Collon, Danielle Dekker, David Girou, Ramses Günther, Roy van der Hoeven, Boris Landgraf, Jessica Sforzini, Mark Vervest, Eric Wille
Proceedings Volume 10399, 103990M (2017) https://doi.org/10.1117/12.2274309
KEYWORDS: Optics manufacturing, Metrology, Silicon, Geometrical optics, X-ray optics, Monte Carlo methods, Ray tracing, Performance modeling, X-rays, Standards development

Proceedings Article | 8 September 2017 Paper
Giuseppe Vacanti, Nicolas Barrière, Marcos Bavdaz, Abdelhakim Chatbi, Maximilien Collon, Daniëlle Dekker, David Girou, Ramses Günther, Roy van der Hoeven, Michael Krumrey, Boris Landgraf, Peter Müller, Swenja Schreiber, Mark Vervest, Eric Wille
Proceedings Volume 10399, 103990N (2017) https://doi.org/10.1117/12.2274357
KEYWORDS: X-rays, X-ray optics, Optics manufacturing, Metrology, Silicon, Sensors, X-ray characterization, X-ray detectors, Geometrical optics, Algorithm development

Proceedings Article | 29 August 2017 Presentation + Paper
Maximilien Collon, Giuseppe Vacanti, Nicolas Barrière, Boris Landgraf, Ramses Günther, Mark Vervest, Roy van der Hoeven, Danielle Dekker, Abdel Chatbi, David Girou, Jessica Sforzini, Marco Beijersbergen, Marcos Bavdaz, Eric Wille, Sebastiaan Fransen, Brian Shortt, Jeroen Haneveld, Arenda Koelewijn, Karin Booysen, Maurice Wijnperle, Coen van Baren, Alexander Eigenraam, Peter Müller, Michael Krumrey, Vadim Burwitz, Giovanni Pareschi, Sonny Massahi, Finn Christensen, Desirée Della Monica Ferreira, Giuseppe Valsecchi, Paul Oliver, Ian Checquer, Kevin Ball, Karl-Heinz Zuknik
Proceedings Volume 10399, 103990C (2017) https://doi.org/10.1117/12.2273704
KEYWORDS: Mirrors, X-ray optics, Silicon, Optics manufacturing, Wafer-level optics, X-ray astronomy, Semiconducting wafers, Astronomical imaging, X-ray telescopes, Spatial resolution

Proceedings Article | 18 July 2016 Paper
S. Massahi, D. D. M. Ferreira, F. Christensen, B. Shortt, D. Girou, M. Collon, B. Landgraf, N. Barriere, M. Krumrey, L. Cibik, S. Schreiber
Proceedings Volume 9905, 99055P (2016) https://doi.org/10.1117/12.2233519
KEYWORDS: X-ray optics, X-ray telescopes, Space telescopes, X-rays, X-ray optics, Optical filters, Stars, Sensors, Calibration, Photons, Wind energy

Proceedings Article | 4 September 2015 Paper
David Girou, Sonny Massahi, Erlend Sleire, Anders Jakobsen, Finn Christensen
Proceedings Volume 9603, 96031D (2015) https://doi.org/10.1117/12.2186814
KEYWORDS: Coating, Multilayers, Nickel, Collimation, Argon, Sputter deposition, Silicon, Space telescopes, Interfaces, Gamma radiation

Proceedings Article | 4 September 2015 Paper
S. Massahi, D. Girou, D. D. M. Ferreira, F. Christensen, A. Jakobsen, B. Shortt, M. Collon, B. Landgraf
Proceedings Volume 9603, 96030M (2015) https://doi.org/10.1117/12.2186810
KEYWORDS: Photoresist materials, Mirrors, Optical lithography, Surface roughness, Photoresist developing, Oxygen, Silica, Atomic force microscopy, Semiconducting wafers, Coating

Showing 5 of 40 publications
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