Fiber optic radiation monitor
US5313065A · kind A · utility
19Cited by
5References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 1, 1992 |
| Grant date | May 17, 1994 |
| Priority date | — |
| Expiry date | Sep 1, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01T1/203
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Scintillating optical fiber is used in a probe for detecting radiation. The scintillating optical fiber is fused to an extension fiber leading to optoelectronics such as p-intrinsic n-photodiodes or avalanche photodiodes. The fibers are housed in a durable probe body for penetration into the ground. When radiation is present, dopants in the scintillating fiber emit visible light through the extension fiber to the optoelectronics. Amplifiers are provided for monitoring the light intensity transmitted along the fibers and for triggering an alarm circuit signaling the presence of radiation at the probe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.