Infra red spectrometer
US11346774B2 · kind B2 · utility
0Cited by
5References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 27, 2017 |
| Grant date | May 31, 2022 |
| Priority date | — |
| Expiry date | Oct 28, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J2003/423
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods and apparatus are disclosed for detecting one or more species in a sample, wherein laser probe light is frequency swept across at least one infra red absorption spectrum feature of each of the species. A path from the probe light source to a single detector element may be switched between at least one sample absorption cell or volume and one or more reference cells or volumes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.