Optical EngineeringRecovery of overlapped spectral harmonics in multiplex Fabry-Pérot interferometry
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We propose an algorithm for recovering the overlapped harmonic components of a multiplex Fabry-Pérot interferometer (MFPI) spectrum. A potential solution that utilizes the multiresolution properties of the MFPI spectrum is presented. The corrupted harmonic components are detected by comparing consecutive harmonic pairs at the same sampling rate and window length. The overlapped spectral components are adjusted with correction terms that have been determined from the detection stage.