Optimal design and evaluation of a color separation grating using rigorous coupled wave analysis

Mayumi Nagayoshi; Keiko Oka; Werner Klaus; Yuki Komai; Kashiko Kodate

doi:10.1117/12.645186

27 February 2006 Optimal design and evaluation of a color separation grating using rigorous coupled wave analysis

Mayumi Nagayoshi, Keiko Oka, Werner Klaus, Yuki Komai, Kashiko Kodate

Proceedings Volume 6136, Practical Holography XX: Materials and Applications; 61360B (2006) https://doi.org/10.1117/12.645186
Event: Integrated Optoelectronic Devices 2006, 2006, San Jose, California, United States

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.

Citation Download Citation

Mayumi Nagayoshi, Keiko Oka, Werner Klaus, Yuki Komai, and Kashiko Kodate "Optimal design and evaluation of a color separation grating using rigorous coupled wave analysis", Proc. SPIE 6136, Practical Holography XX: Materials and Applications, 61360B (27 February 2006); https://doi.org/10.1117/12.645186

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