Abstract
Dynamic fiber optic strain measurements at 3.3 kHz were performed employing a photodiode array spectrometer. The occurrence of aliasing components in the spectral data is investigated, and their dependence on the spectrometer integration time is analyzed. A theoretical model describing the aliasing components is discussed and could be confirmed by the experimental data. It is shown that the aliasing components can be partly suppressed by maximizing the duty cycle of the spectrometer.
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