Technique for analyzing a spectrum of backscattered light in an optical fiber
US12298159B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Mar 25, 2021 |
| Grant date | May 13, 2025 |
| Priority date | — |
| Expiry date | Mar 25, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M11/3172
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present disclosure generates an optical spectrogram, representing a temporal change in frequency characteristics, using a plurality of spectral data measured by an OFDR measurement instrument at different times, and filters the optical spectrogram in both a time direction and a frequency direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.