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Proceedings Paper

Thermally robust IBS coatings for deep concave surfaces
Author(s): Dale Ness; Darrel Pitrat; Christopher Wood
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Paper Abstract

Precision Photonics Corporation (PPC) has developed a method of applying Ion Beam Sputtered (IBS) MWIR antireflective coatings to the interior of a tangent ogive dome. Although IBS has traditionally not been used in this application, it is known that IBS provides the highest density coatings using very hard, durable materials. We achieve a variable coating thickness profile by means of shadow masking coupled with sophisticated 3 dimensional mathematical modeling, which optimizes the antireflection performance over a wide range of look angles for an infrared seeker inside the dome. The coating design for this project survives temperatures up to 1000ºC.

Paper Details

Date Published: 3 May 2010
PDF: 10 pages
Proc. SPIE 7660, Infrared Technology and Applications XXXVI, 766025 (3 May 2010); doi: 10.1117/12.852459
Show Author Affiliations
Dale Ness, Precision Photonics Corp. (United States)
Darrel Pitrat, Precision Photonics Corp. (United States)
Christopher Wood, Precision Photonics Corp. (United States)

Published in SPIE Proceedings Vol. 7660:
Infrared Technology and Applications XXXVI
Bjørn F. Andresen; Gabor F. Fulop; Paul R. Norton, Editor(s)

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