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US 12,109,006 B2Granted
Optical speckle receiver
AssigneeRockley Photonics Limited
InventorsCody Dunn, Kate Leeann Bechtel
Life of this patent
Estimating the term…
Abstract
An optical speckle receiver for receiving a speckle signal from a sample, the optical speckle receiver comprising an optical detector and an aperture and/or lens array. The aperture and array respectively comprise a plurality of apertures or lenses and is located between the sample and the optical detector such that the received speckle pattern is obtained from multiple discrete sample locations.
Claims20
An optical speckle receiver, comprising:
- an optical detector;
- a plurality of apertures, or
- a plurality of lenses;
- and
- a free propagation region between the optical detector and the apertures or the lenses,
- wherein each of the apertures or the lenses is configured to receive a respective speckle signal from a respective discrete location on a sample, and to transmit the respective speckle signal onto the optical detector through the free propagation region,
- wherein the free propagation region is configured such that respective speckle signals transmitted from at least two of the apertures or from at least two of the lenses spatially overlap on the optical detector.
4 more elements
An optical speckle receiver comprising:
- an optical detector;
- and
- a plurality of holes in a plate, each hole corresponding to an aperture of an aperture array,
- wherein each of the holes is configured to receive a respective speckle signal from a respective discrete location on a sample, and to transmit the respective speckle signal onto the optical detector.
1 more element
An optical speckle transceiver, comprising:
- an optical detector;
- a plurality of apertures arranged in a plane, or
- a plurality of lenses arranged in a plane;
- and
- a coherent optical output comprising a window in an outer surface of the optical speckle transceiver, the window being offset from the apertures or the lenses along a direction perpendicular to the plane,
- wherein each of the apertures or the lenses is configured to receive a respective speckle signal from a respective discrete location on a sample, and to transmit the respective speckle signal onto the optical detector.
3 more elements
Dependencies are inferred from the claim text.