Strong Resonance Effect in a Lossy Medium-Based Optical Cavity for Angle Robust Spectrum Filters

Strong Resonance Effect in a Lossy Medium-Based Optical Cavity for Angle Robust Spectrum Filters

Spectrum filters with a wide viewing angle exploiting strong resonance effects in lossy media are demonstrated. The designed filters show significantly improved color purity and the angle‐robust characteristic can be preserved up to ±65° due to an interesting phase‐cancellation effect. This strategy...

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Veröffentlicht in:Advanced materials (Weinheim) 2014-09, Vol.26 (36), p.6324-6328
Hauptverfasser: Lee, Kyu-Tae, Seo, Sungyong, Lee, Jae Yong, Guo, L. Jay
Format: Artikel
Sprache:eng
Schlagworte:
Color
Displays
Holes
Lossy media
nanoresonator
Purity
Sensors
Strategy
structural colors
thin films
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Zusammenfassung:Spectrum filters with a wide viewing angle exploiting strong resonance effects in lossy media are demonstrated. The designed filters show significantly improved color purity and the angle‐robust characteristic can be preserved up to ±65° due to an interesting phase‐cancellation effect. This strategy could provide new routes for numerous applications, such as image sensors and displays.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201402117