An analysis of the spectral-time characteristics of a Fabry–Perot interferometer (FPI) in pulsed illumination is given. Processes that occur in the transit of light pulses of different widths through a FPI are considered in detail. A relationship between the baseline of a FPI and the width of the incident light pulse is established. The time structure of a pulse that has traversed a FPI is analyzed. The theoretical difference in the transit of a light pulse through a FPI and of a regular sequence of synchronized laser pulses is found. The maximum time resolution of a FPI is determined. A model that describes the transit of a regular sequence of synchronized laser pulses through a FPI functioning in the mode of an optical filter is determined.
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Translated from Izmeritel’naya Tekhnika, No. 12, pp. 11–15, December, 2009.
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Mogilnitskii, B.S. Fabry–Perot interferometer in pulsed illumination: a new approach and capabilities. Meas Tech 52, 1263–1270 (2009). https://doi.org/10.1007/s11018-010-9431-z
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DOI: https://doi.org/10.1007/s11018-010-9431-z