System and method for interrogating an intrinsic fiber optic sensor
US11169025B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2018 |
| Grant date | Nov 9, 2021 |
| Priority date | — |
| Expiry date | Aug 4, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D5/3537
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention provides a method for measuring an optical sensor system comprising an array of intrinsic fiber optic sensors at an interrogator comprising an optical source and an optical detector. The method comprises the steps of emitting an optical signal to an array of intrinsic fiber optic sensors; detecting optical responses to the emitted signal from the sensors; associating each detected optical response with an individual sensor by determining within which region among a plurality of detection regions assigned to the individual sensors the optical response is detected wherein each detection region corresponds to a wavelength range in the bandwidth of the optical sensor system; and performing signal processing on each optical response to measure the value of the physical parameter detected by its associated sensor. A calibration of the detection region assigned to each sensor is performed at predetermined intervals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.