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US 9,176,263 B2Granted
Optical micro-sensor
AssigneesPresident and Fellows of Harvard College, Centeye Incorporated
InventorsTodd Zickler, Sanjeev Jagannatha Koppal, Geoffrey Louis Barrows, Ioannis Gkioulekas
Life of this patent
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Abstract
Briefly, embodiments of an optical micro-sensor are described.
Claims37
An apparatus comprising:
- an optical assembly comprising one or more optical elements and an optical path, said optical assembly capable of using an attenuating template in the optical path to perform optical spherical convolution comprising optical convolution on a sphere of directions by an arrangement of said one or more optical elements such that solid angles are near-constant over said sphere of directions.
A method comprising:
- spherically convolving light using an attenuating template in the imaging path of a photo detector array assembly by an arrangement of one or more optical elements such that solid angles are near-constant over a sphere of directions.
An apparatus comprising:
- a micro-sized or smaller device, having a size less than about 1 micron, capable of at least approximating optical spherical convolution comprising optical convolution on a sphere of directions by an arrangement of one or more optical elements such that solid angles are near-constant over said sphere of directions;
- said device having a configuration in which effective field of view is adjustable to improve power utilization or to reduce size.
A sensor comprising:
- a sensor assembly capable of performing optical spherical convolution comprising optical convolution on a sphere of directions by an arrangement of one or more optical elements such that solid angles are near-constant over said sphere of directions;
- said sensor assembly including:
- a detector array;
- and
- a template;
- wherein the detector array and the template have different effective indexes of refraction.
3 more elements
Dependencies are inferred from the claim text.