Interrogator having an analog interrogator following at least one amplifier
US8766167B2 · kind B2 · utility
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35References
4Claims
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Key dates
| Filing date | Nov 26, 2012 |
| Grant date | Jul 1, 2014 |
| Priority date | — |
| Expiry date | Dec 29, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/0204
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An interrogator for a plurality of sensor fiber optic gratings. The interrogator includes a broadband optical source; at least one beam splitter directing output of the optical source to the sensor fiber optic gratings; at least one linear filter for converting changes in peak reflection wavelength to changes in intensity; at least one optical receiver; and at least one amplifier associated with each optical receiver. The interrogator also includes an analog integrator following the at least one amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.