Averaging Methods for a Multimode Fiber Interferometer: Experimental and Interpretation
Journal of Lightwave Technology(2020)
摘要
The averaged characteristics of the multimode fiber interferometer signals have been investigated, with the average being performed over ensemble, “long realization”, frequency, cross-section, and combination of these methods as well. The signals were produced at two wavelengths in few- and multi-mode regimes in the graded-index fiber. A practical example of the cross-section average is discussed in more details. The results would be useful for the multimode fiber interferometer utilization as a real-time high-accuracy sensor.
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关键词
Optical fiber sensors,Optical fiber networks,Optical interferometry,Optical fiber polarization
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