OPTICAL FILTER FOR MULTISPECTRAL SENSOR

The present description concerns an optical filter intended to be arranged in front of an image sensor comprising a plurality of pixels, the filter comprising, for each pixel, a resonant cavity comprising a first transparent layer, interposed between second and third mirror layers, and a diffraction...

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Bibliographische Detailangaben
Hauptverfasser: ABADIE, Quentin, VILLENAVE, Sandrine
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present description concerns an optical filter intended to be arranged in front of an image sensor comprising a plurality of pixels, the filter comprising, for each pixel, a resonant cavity comprising a first transparent layer, interposed between second and third mirror layers, and a diffraction grating formed in the first layer, wherein at least one of the cavities has a different thickness than another cavity.