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Method and apparatus for alignment of a line-of-sight communications link

專利號(hào)
US10868616B2
公開(kāi)日期
2020-12-15
申請(qǐng)人
OptiPulse Inc.（US NM Albuquerque）
發(fā)明人
John Richard Joseph
IPC分類
H04B10/112; H04B10/073; H04B10/116; H04B10/50
技術(shù)領(lǐng)域
laser,mesa,waveguide,optical,gsg,lasing,array,structure,contact,emitting
地域： NM NM Albuquerque

摘要

Techniques are disclosed for aligning an optical transmitter with an optical receiver for a line-of-sight communications link, wherein the optical transmitter comprises a laser array emitter, the laser array emitter comprising a plurality of laser emitting regions, wherein each of a plurality of the laser emitting regions is configured to emit laser light in a different direction such that the laser array emitter is capable of emitting laser light in a plurality of different directions. The system can run produce emissions from different laser emitting regions until a laser emitting region that is in alignment with the optical receiver is found. This aligned laser emitting region can then be selected for use to optically communicate data from the optical transmitter to the optical receiver.

說(shuō)明書(shū)

In an example embodiment, each scope can include an optical transceiver and camera. The optical transceiver in the first optical scope can include a light array that is used to emit a bright pulse of light as a flash. The camera in the second optical scope captures this flash in a camera image. The camera image can then be processed to spatially localize the flash relative to the cross-hairs of the camera, wherein these cross-hairs have a relationship that corresponds to a central region (e.g., a center point) of a photodetector array in the optical transceiver of the second optical scope. A control system can then drive a positioning system for the second optical scope to adjust the positioning of the second optical scope so that the center of the photodetector of the second optical scope aligns with the spatially localized flash.

This process can then be repeated but where the light array in the second optical scope acts as the flash emitter and the camera in the first optical scope captures the image of the flash so that the first optical scope can be controllably positioned so that its photodetector array's central region aligns with the spatially localized flash from the second optical scope.

These alignments can be iteratively repeated until the system determines that the two optical scopes are sufficiently aligned.

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