US 12,111,399 B2
Lidar detection methods and systems with optical fiber array
Andrey Victorovich Golikov, Moscow (RU); Nikolay Evgenievich Orlov, Sarapul (RU); and Dmitry Valentinovich Solomentsev, Moscow (RU)
Assigned to Y.E. Hub Armenia LLC, Yerevan (AM)
Filed by YANDEX SELF DRIVING GROUP LLC, Moscow (RU)
Filed on Dec. 9, 2020, as Appl. No. 17/116,195.
Claims priority of application No. 2019143315 (RU), filed on Dec. 23, 2019.
Prior Publication US 2021/0190960 A1, Jun. 24, 2021
Int. Cl. G01S 17/931 (2020.01); G01S 7/484 (2006.01); G01S 7/486 (2020.01); G01S 17/933 (2020.01); G02B 26/08 (2006.01)
CPC G01S 17/931 (2020.01) [G01S 7/484 (2013.01); G01S 7/486 (2013.01); G01S 17/933 (2013.01); G02B 26/0833 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A LiDAR system for detecting objects in a region of interest, the system comprising:
a radiation source for emitting a plurality of output beams;
a microelectromechanical (MEM) component having a reflective surface for receiving the plurality of output beams and for reflecting the plurality of output beams towards the region of interest, the MEM component configured to oscillate about a first oscillation axis by a first oscillation amplitude to modulate each one of the plurality of output beams by a vertical interval along a vertical axis in the region of interest;
a detection system for detecting a plurality of input beams from the region of interest, the detection system comprising:
a fibre optic array arranged to transmit the plurality of input beams to at least one photodetector, the fibre optic array comprising a plurality of optical fibres, each optical fibre having a receiving end, the receiving ends of the plurality of optical fibres being arranged in a two dimensional array; and
a receiving lens configured to move to focus each different input beam of the plurality of input beams to a receiving end of a different optical fibre of the fibre optic array, wherein a distance between the receiving lens and the receiving ends of the plurality of optical fibres in the fibre optic array comprises a focal distance of the plurality of input beams.