IMAGING MODULES INCORPORATING A METALENS
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United States of America Patent
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Issued Date -
Aug 22, 2024
app pub date -
Jun 9, 2022
filing date -
Jun 15, 2021
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Abstract
An apparatus in some implementations includes a metalens, an image sensor, and an actuator. The metalens is con-figured to generate multiple diffractive orders of an image at respective corresponding focal lengths. The actuator is operable to move at least one of the metalens or the image sensor to each of multiple positions so that a distance between the metalens and the image sensor is adjustable. The distance between the metalens and the image sensor for each respective one of the positions corresponds to a particular one of the focal lengths.
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