10.14489/td.2025.08.pp.041-048

2025, 08 August

DOI: 10.14489/td.2025.08.pp.041-048

Uvarova A. V., Bakholdin A. V.
FEATURES OF MODELING AND IMAGE QUALITY CONTROL OF WIDE SPECTRAL RANGE OPTICAL SYSTEMS
(pp. 41-48)

Abstract. Features of modeling and control of image quality of optical systems of wide spectral range The paper discusses the features of calculation and image quality control of wide-spectrum lenses on the example of a lens f' = 21 mm, f-number F#5, 2ω = 44° with a working spectral range of 0.27…1.00 μm. The authors propose a modeling method of such systems as a set of polychromatic configurations and image quality control in a polychromatic modulation transfer function (MTF) and in a set of monochromatic MTFs for reference wavelengths. For convenience of integral assessment of image quality, an integral metric Area Ratio Squared (ARS) is proposed, which allows us to evaluate the image quality for the analyzed field point by a single numerical value. Using such a metric, it is convenient to evaluate the image quality of systems without resorting to visual analysis of multiple MTF plots, and it is also convenient to compare optical systems among themselves. An algorithm for automated calculation of this metric is presented, which can be integrated into optical calculation programs. The proposed solutions are useful for the development of tools applicable to remote and nondestructive testing, especially for luminescence analysis.

Keywords: luminescence analysis, image quality control, wide-spectrum lenses, description of optimizer functions.

+ - About the Authors Click to collapse

A. V. Uvarova, A. V. Bakholdin (ITMO University, St. Petersburg, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра. , Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.

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