Optical filter arrangement
AssigneeMetahelios Ltd
InventorsYash Diptesh SHAH, Charles ALTUZARRA
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Abstract
An optical filter arrangement for use with an image sensor, the arrangement including at least one first filter element including a plurality of first nanostructures, and at least one second filter element including a plurality of second nanostructures, wherein the plurality of first nanostructures is configured such that the at least one first filter element includes a first transmission wavelength and the plurality of second nanostructures is configured such that the at least one second filter element includes a second transmission wavelength that is different from the first transmission wavelength.
Claims20
An optical filter arrangement for use with an image sensor, the arrangement comprising:
- at least one first filter element comprising a plurality of first nanostructures;
- and
- at least one second filter element comprising a plurality of second nanostructures;
- wherein the plurality of first nanostructures is configured such that the at least one first filter element comprises a first transmission wavelength and the plurality of second nanostructures is configured such that the at least one second filter element comprises a second transmission wavelength that is different from the first transmission wavelength.
A method of manufacturing an optical filter arrangement for use with an image sensor, the method comprising:
- forming at least one first filter element comprising a plurality of first nanostructures;
- and
- forming at least one second filter element comprising a plurality of second nanostructures;
- wherein the plurality of first nanostructures is configured such that the at least one first filter element comprises a first transmission wavelength and the plurality of second nanostructures is configured such that the at least one second filter element comprises a second transmission wavelength that is different from the first transmission wavelength.
Dependencies are inferred from the claim text.