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Proceedings Paper

Rugate coatings for an avionics head-up display
Author(s): Stuart T. Allan; Brian Herrington; Colin Cole; Kevin Mackrodt; Tim Slim; David Lingwood
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Paper Abstract

Rugate technology is a powerful and flexible technique, particularly suited to Head-Up Display, HUD combiners and display visors. The thin film coating, applied to a combiner surface, reflects the symbology from a HUD, while simultaneously allowing a clear view through the combiner to the outside world. The coating is colour selective, only reflecting a narrow band of green coincident with the P53 display phosphor. It exhibits major advantages compared to other HUD technologies. Namely, reflects only CRT wavelengths, transmits the outside world with high efficiency and minimal colouration, has high photopic transmission, displays brightness insensitive to head movement, has wide angular response, weighs approximately half that of equivalent holographic combiners and offers a lower cost solution.

Paper Details

Date Published: 15 September 2004
PDF: 8 pages
Proc. SPIE 5443, Defense, Security, and Cockpit Displays, (15 September 2004); doi: 10.1117/12.543787
Show Author Affiliations
Stuart T. Allan, Thales Optical Coatings Ltd. (United Kingdom)
Brian Herrington, Thales Optical Coatings Ltd. (United Kingdom)
Colin Cole, Thales Optical Coatings Ltd. (United Kingdom)
Kevin Mackrodt, Thales Optical Coatings Ltd. (United Kingdom)
Tim Slim, Thales Optical Coatings Ltd. (United Kingdom)
David Lingwood, Thales Optics (United Kingdom)

Published in SPIE Proceedings Vol. 5443:
Defense, Security, and Cockpit Displays
Darrel G. Hopper, Editor(s)

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