Journal
Scientific and technical journal «Priborostroenie»
UDK681.787
Issue:4 (66)
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MATHEMATICAL MODELING OF THE OUTPUT SIGNAL FOR DIFFERENT PHOTODETECTOR APERTURE GEOMETRIES IN INTERFERENCE SYSTEM OF INTERFEROGRAM ANALYSIS
Annotation
Mathematical modeling of the output signal of interference system for interferogram analysis is carried out for different photodetector aperture geometries. The measuring system output signal is analyzed using the integration method. The requirements for changing the interference fringes parameters are determined. According to the performed analysis, it is necessary for the bandwidth to be much larger than the photodetector aperture when carrying out measurements.
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