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2015•Advanced Optical MaterialsOpen access

High‐Color‐Purity Subtractive Color Filters with a Wide Viewing Angle Based on Plasmonic Perfect Absorbers

Kyu‐Tae Lee, Sungyong Seo, L. Jay Guo

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Abstract

High angular tolerant subtractive structural color filters with improved color purity, employing a plasmonic perfect absorption property, are demonstrated. The proposed devices exhibit angle-insensitive characteristics up to ±80° while maintaining both intensity and bandwidth. This approach has potential for a wide variety of applications, such as color display devices and image sensors.

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High angular tolerant subtractive structural color filters with improved color purity, employing a plasmonic perfect absorption property, are demonstrated. The proposed devices exhibit angle-insensitive characteristics up to ±80° while maintaining both intensity and bandwidth. This approach has potential for a wide variety of applications, such as color display devices and image sensors.

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Available abstract

High angular tolerant subtractive structural color filters with improved color purity, employing a plasmonic perfect absorption property, are demonstrated. The proposed devices exhibit angle-insensitive characteristics up to ±80° while maintaining both intensity and bandwidth. This approach has potential for a wide variety of applications, such as color display devices and image sensors.

Key concepts: Subtractive color, Materials science, Color filter array, Color gel, Plasmon, Viewing angle, Optics, Structural coloration

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