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- W2049208024 abstract "An improved layer peeling algorithm removes the constraint of equal segments length in a low-loss interferometricsensor array. Consequently, the construction of the sensor array is greatly simplified while its performance remainsessentially unaffected. With unequal segments, the frequency response of the sensor array, which is based on a serialconcatenation of High Birefringence (HiBi) fibers, becomes effectively non-periodic. The original version of the layerpeeling algorithm was based on scanning one period of the frequency response and expanding it in the form of a Fourierseries. This led to decreased sensing performance since in practice it is virtually impossible to fabricate an array ofidentical segments. In the non-periodic case, we show that broadening the scanning range, as well as windowing themeasured frequency dependent Stokes vector, prior to transforming it to the time-domain, greatly reduce sensing errors.The new approach is demonstrated in a 14-segments array of HiBi fibers with a total length of 235m. Sinusoidal strainmodulation at up to 65Hz is applied to one of the segments. The improved layer peeling algorithm reveals the inducedsignal in the perturbed segment with only little crosstalk in the signals extracted from the other segments." @default.
- W2049208024 created "2016-06-24" @default.
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- W2049208024 date "2009-10-05" @default.
- W2049208024 modified "2023-10-18" @default.
- W2049208024 title "A low-loss interferometric sensor array with unequal segments" @default.
- W2049208024 cites W2054627550 @default.
- W2049208024 doi "https://doi.org/10.1117/12.835380" @default.
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