Abstract

This paper discusses features of the development of scanning-type analyzing units with a single-element photodetector for measuring the line spread function and modulation transfer function (MTF) of infrared (IR) optical systems, taking into account the requirements of the State Standard GOST R 58566-2019 “Optics and photonics. Objectives for optoelectronic systems. Test methods.” Techniques are proposed for energy calculations and for determining the measurement error of the MTF of a measurement apparatus with a scanning-type analyzing unit.

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