Switchable coherent pixel array for frequency modulated continuous wave light detection and ranging
US11448736B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2021 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | Sep 27, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/3548
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A LIDAR transceiver includes an input port, optical antennas, an optical switch, splitters, and mixers. The optical switch switchably couples an input port to the optical antennas. For at least one optical path from the input port to one of the optical antennas, a splitter is coupled along the optical path. The splitter splits a received portion of a laser signal into a local oscillator signal and a transmit signal and outputs a return signal that is a portion of the reflected signal. The transmit signal is emitted through the optical antenna and a reflection of the transmit signal is received through the optical antenna as a reflected signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.