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1. (WO2018102790) WAVEGUIDE DIFFUSER FOR LIGHT DETECTION USING AN APERTURE

Pub. No.:    WO/2018/102790    International Application No.:    PCT/US2017/064367
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Sun Dec 03 00:59:59 CET 2017
IPC: G01J 1/04
F21V 8/00
G02B 6/02
G01S 17/02
Applicants: WAYMO LLC
Inventors: DROZ, Pierre-yves
HUTCHISON, David
Title: WAVEGUIDE DIFFUSER FOR LIGHT DETECTION USING AN APERTURE
Abstract:
The present disclosure relates to limitation of noise on light detectors using an aperture. One example implementation includes a system. The system includes a lens disposed relative to a scene. The lens focuses light from the scene. The system also includes an aperture defined within an opaque material. The system also includes a waveguide having a first side that receives light focused by the lens and transmitted through the aperture. The waveguide guides the received light toward a second side of the waveguide opposite to the first side. The waveguide has a third side extending between the first side and the second side. The system also includes an array of light detectors that intercepts and detects light propagating out of the third side of the waveguide.