Ultraviolet, infrared, and near-infrared lidar system and method
US7652752B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2005 |
| Grant date | Jan 26, 2010 |
| Priority date | — |
| Expiry date | Aug 17, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S7/4861
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Pushbroom and flash lidar operations outside the visible spectrum, most preferably in near-IR but also in IR and UV, are enabled by inserting—ahead of a generally conventional lidar receiver front end—a device that receives light scattered from objects and in response forms corresponding light of a different wavelength from the scattered light. Detailed implementations using arrays of discrete COTS components—most preferably PIN diodes and VCSELs, with intervening semicustom amplifiers—are discussed, as is use of a known monolithic converter. Differential and ratioing multispectral measurements, particularly including UV data, are enabled through either spatial-sharing (e. g. plural-slit) or time-sharing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.