Optical carbon dioxide sensor, and associated methods of manufacture
US5714121A · kind A · utility
42Cited by
8References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 1995 |
| Grant date | Feb 3, 1998 |
| Priority date | — |
| Expiry date | Sep 28, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/7786
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method is provided for manufacturing a fiber optic sensor for detecting or measuring the concentration of carbon dioxide in a sample fluid. The method involves incorporation of a fluorescent indicator composition in a silicone capsule slidably arranged over the tip of a fiber optic, sealed with a suitable adhesive. To amplify the detectable signal obtained, the capsule is preferably fabricated so as to contain reflective particles, and tapers to a narrow tip. Novel optical sensors, manufactured using the aforementioned method, are provided as well.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.