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Proceedings Paper

Optimal design and evaluation of a color separation grating using rigorous coupled wave analysis
Author(s): Mayumi Nagayoshi; Keiko Oka; Werner Klaus; Yuki Komai; Kashiko Kodate
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Paper Abstract

In recent years, the technology which separates white light into the three primary colors of Red (R), Green (G) and Blue (B) and adjusts each optical intensity and composites R, G and B to display various colors is required in the development and spread of color visual equipments. Various color separation devices have been proposed and have been put to practical use in color visual equipments. We have focused on a small and light grating-type device which has the possibility of reduction in cost and large-scale production and generates only the three primary colors of R, G and B so that a high saturation level can be obtained. To perform a rigorous analysis and design of color separation gratings, our group has developed a program that is based on the Rigorous Coupled Wave Analysis (RCWA). We then calculated the parameters to obtain a diffraction efficiency of higher than 70% and the color gamut of about 70%. We will report on the design, fabrication and evaluation of color separation gratings that have been optimized for fabrication by laser drawing.

Paper Details

Date Published: 27 February 2006
PDF: 11 pages
Proc. SPIE 6136, Practical Holography XX: Materials and Applications, 61360B (27 February 2006); doi: 10.1117/12.645186
Show Author Affiliations
Mayumi Nagayoshi, Japan Women's Univ. (Japan)
Keiko Oka, Japan Women's Univ. (Japan)
Hitachi Ltd. (Japan)
Werner Klaus, National Institute of Information and Communications Technology (Japan)
Yuki Komai, Japan Women's Univ. (Japan)
Kashiko Kodate, Japan Women's Univ. (Japan)


Published in SPIE Proceedings Vol. 6136:
Practical Holography XX: Materials and Applications
Hans I. Bjelkhagen; Roger A. Lessard, Editor(s)

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