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28 May 2018 New light absorbing material for grazing angles
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Abstract
One of the largest challenges for optical systems is eliminating stray light generated by reflections off the walls and other optical elements of the device. Most black coatings are not sufficiently effective at grazing angles. Acktar’s black coatings exhibit particularly low residual reflectance and have been implemented in various instruments. The new proposed material exhibits particularly low hemispherical and specular reflectance – especially at grazing angles.
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A. Yevtushenko, A. von Finck, D. Katsir, and A. Duparré "New light absorbing material for grazing angles", Proc. SPIE 10695, Optical Instrument Science, Technology, and Applications, 106950J (28 May 2018); https://doi.org/10.1117/12.2315607
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