Local characterization of fiber-Bragg gratings through combined use of low-coherence interferometry and a layer-peeling algorithm
The technique presented here allows us to obtain an accurate determination of the refractive index modulation amplitude, the mean effective index, and the chirp of fiber-Bragg gratings. A layer-peeling algorithm is used to extract this information from low-coherence interferometry measurements. Finally, we present a systematic study over 10 uniform and chirped gratings to proof the reliability and accuracy of this technique.
- OSTI ID:
- 20779263
- Journal Information:
- Applied Optics, Journal Name: Applied Optics Journal Issue: 4 Vol. 45; ISSN 0003-6935; ISSN APOPAI
- Country of Publication:
- United States
- Language:
- English
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