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公开(公告)号：US12111420B2
公开(公告)日：2024-10-08
申请号：US16942028
申请日：2020-07-29
申请人： LG INNOTEK CO., LTD.
摘要： Systems, methods, and computer-readable media are disclosed for systems and methods for improved LIDAR return light capture efficiency. One example method may include emitting, by an emitter, a first light pulse in a first path. The example method may also include transmitting, by a polarizing beam splitter in the first path and aligned with an aperture of a reflective element, a portion of the first light pulse, wherein the reflective element is disposed of in the first path. The example method may also include reflecting, by a reflective surface of the reflective element, a second light pulse in a second path, the second light pulse including a return pulse based on the first light pulse being reflected from an object. The example method may also include detecting, by a detector, the detector disposed in the second path of the second light pulse.
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公开(公告)号：US11828879B2
公开(公告)日：2023-11-28
申请号：US16942033
申请日：2020-07-29
申请人： LG INNOTEK CO., LTD.
IPC分类号： G01S7/481 , G02B26/08 , G01S17/10 , G02B26/10 , G01S17/931
CPC分类号： G01S7/4817 , G01S7/4814 , G01S17/10 , G01S17/931 , G02B26/0816 , G02B26/10
摘要： Systems, methods, and computer-readable media are disclosed for a vibrated polarizing beam splitter for improved return light. An example method may involve emitting, by an emitter, a first light pulse. The example method may also involve reflecting, by a polarizing beam splitter in a first position, the first light pulse, wherein the polarizing beam splitter is at a first angle of incidence in the first position. The example method may also involve adjusting, subsequent to the polarizing beam splitter reflecting the first light pulse, a position of the polarizing beam splitter from the first position to a second position, wherein the polarizing beam splitter is at a second angle of incidence in the second position. The example method may also involve transmitting, by the polarizing beam splitter, a return light pulse through the polarizing beam splitter, the return light pulse based on the first light pulse. The example method may also involve detecting, by a detector, the return light pulse.
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