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US 12,757,509 B2Granted
Image capture apparatus and methods using color co-site sampling
AssigneeNIL Technology ApS
InventorsUlrich Quaade, James Eilertsen
Life of this patent
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Abstract
An apparatus includes a sensor having one or more drift-field demodulation pixels and wavelength separating optical elements (WSOEs) such as metalenses and diffractive optical elements (DOEs). The WSOE can be configured such that when light is incident on a pixel, the light passes through the WSOE first and such that different wavelengths are focused by the WSOE on different spatial points in the associated pixel.
Claims20
An apparatus comprising:
- a sensor including a drift-field demodulation pixel;
- a wavelength separating optical element (WSOE) disposed such that, when radiation is incident on the drift-field demodulation pixel, the radiation passes through the WSOE before reaching the drift-field demodulation pixel, and wherein the WSOE is configured to focus different wavelengths of the incident radiation at different respective depths in a photo-sensitive detection region of the drift-field demodulation pixel.
A method comprising:
- receiving radiation in a photo-sensitive detection region of a drift-field demodulation pixel,
- wherein the radiation passes through a wavelength separating optical element (WSOE) before reaching the drift-field demodulation pixel, and
- wherein the WSOE focuses different wavelengths of the radiation at different respective depths in the drift-field demodulation pixel.
Dependencies are inferred from the claim text.