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12 July 2023 The art of characterizing light scattering from optical components and systems
Marcus Trost, Yusuf Sekman, Anne-Sophie Munser, Alexander Bergner, Nils Rommel, Tobias Herffurth, Paul Böttner, Matthias Goy
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Proceedings Volume 12777, International Conference on Space Optics — ICSO 2022; 127770Z (2023) https://doi.org/10.1117/12.2689035
Event: International Conference on Space Optics — ICSO 2022, 2022, Dubrovnik, Croatia
Abstract
Even high-end optical components exhibit small amounts of imperfections, which can easily limit the performance of optical systems with respect to imaging contrast, optical throughput, imaging ghosts, and increased light scattering. Characterizing the scattering properties of optical components is thus an important step during the development of sophisticated optical systems as well as to identify and steadily improve materials as well as manufacturing and assembling steps. This is illustrated for different optical components as well as optical systems. Furthermore, different characterization concepts are discussed, which allow overcoming typical limits for angles resolved light scattering measurements, such as scattering very close to the specular beam directions (off specular scattering angles < 0.1°) or measurements in retro-reflection, which are important for gratings used in Littrow configuration or optical mirrors for laser-based communication
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Marcus Trost, Yusuf Sekman, Anne-Sophie Munser, Alexander Bergner, Nils Rommel, Tobias Herffurth, Paul Böttner, and Matthias Goy "The art of characterizing light scattering from optical components and systems", Proc. SPIE 12777, International Conference on Space Optics — ICSO 2022, 127770Z (12 July 2023); https://doi.org/10.1117/12.2689035
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KEYWORDS
Light scattering
Laser scattering
Optical gratings
Optical components
Astronomical imaging
Scattering
Light sources and illumination
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