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New light absorbing material for grazing angles
Author(s): A. Yevtushenko; A. von Finck; D. Katsir; A. Duparré
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Paper 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.

Paper Details

Date Published: 28 May 2018
PDF: 8 pages
Proc. SPIE 10695, Optical Instrument Science, Technology, and Applications, 106950J (28 May 2018); doi: 10.1117/12.2315607
Show Author Affiliations
A. Yevtushenko, Acktar Ltd. (Israel)
A. von Finck, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)
D. Katsir, Acktar Ltd. (Israel)
A. Duparré, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)


Published in SPIE Proceedings Vol. 10695:
Optical Instrument Science, Technology, and Applications
Nils Haverkamp; Richard N. Youngworth, Editor(s)

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