Beam homogenization for occlusion resistance
US11525892B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2019 |
| Grant date | Dec 13, 2022 |
| Priority date | — |
| Expiry date | Sep 14, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S2007/4977
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Example embodiments relate to beam homogenization for occlusion avoidance. One embodiment includes a light detection and ranging (LIDAR) device. The LIDAR device includes a transmitter and a receiver. The transmitter includes a light emitter. The light emitter emits light that diverges along a fast-axis and a slow-axis. The transmitter also includes a fast-axis collimation (FAC) lens optically coupled to the light emitter. The FAC lens is configured to receive light emitted by the light emitter and reduce a divergence of the received light along the fast-axis of the light emitter to provide reduced-divergence light. The transmitter further includes a transmit lens optically coupled to the FAC lens. The transmit lens is configured to receive the reduced-divergence light from the FAC lens and provide transmit light. The FAC lens is positioned relative to the light emitter such that the reduced-divergence light is expanded at the transmit lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.