Method to determine gas absorption in rapidly tuned diode lidar
US11714047B2 · kind B2 · utility
2Cited by
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13Claims
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Key dates
| Filing date | Jul 7, 2022 |
| Grant date | Aug 1, 2023 |
| Priority date | — |
| Expiry date | Jul 7, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A90/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of measuring the concentration of a gas in a target environment using a laser lidar system, comprises directing a laser beam towards an environment containing the gas, tuning the laser wavelength over a wavelength range including the absorption line of the gas, and measuring intensity of laser light returned from the environment containing the gas, as a result of scattering as a function of time. The intensity vs time is then converted into gas absorption vs wavelength, and the gas absorption vs wavelength is used to determine the concentration of the gas in the target environment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.