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Optical Engineering

Design and fabrication of color filters for projection display system
Author(s): Xueke Xu; Jianda Shao; Zhengxiu Fan
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Paper Abstract

Color filters are key components in an optical engine projection display system. In this paper, a new admittance-matching method for designing and fabricating the high performance filters is described, in which the optimized layers are limited to the interfaces between the stack (each combination of quarter-wave-optical-thickness film layers is called a stack) and stack, or between stack and substrate, or between stack and incident medium. This method works well in designing filters containing multiple stacks such as UV-IR cut and broadband filters. The tolerance and angle sensitivity for the designed film stacks are analyzed. The thermal stability of the sample color filters was measured. A good result in optical performance and thermal stability was obtained through the new design approach.

Paper Details

Date Published: 1 February 2006
PDF: 6 pages
Opt. Eng. 45(2) 023801 doi: 10.1117/1.2167086
Published in: Optical Engineering Volume 45, Issue 2
Show Author Affiliations
Xueke Xu, Shanghai Institute of Optics and Fine Mechanics (China)
Jianda Shao, Shanghai Institute of Optics and Fine Mechanics (China)
Zhengxiu Fan, Shanghai Institute of Optics and Fine Mechanics (China)


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