Multi-color cavity ringdown based detection method and apparatus
US7768647B2 · kind B2 · utility
21Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 1, 2007 |
| Grant date | Aug 3, 2010 |
| Priority date | — |
| Expiry date | Aug 7, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/39
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A multi-color cavity ringdown based spectrometer is housed in a light tight enclosure to detect the presence of trace quantities of gas phase molecules emanating from explosives, drugs, or hazardous materials being transported through the enclosure or compounds contained in a patient's breath. A method is also disclosed for detecting gas phase molecules emanating from explosives, drugs, hazardous materials, or a patient's breath.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.