Reference for citation: Orekhova M. K., Bakholdin A. V. Method for overall calculation of an integral-field mirror module. Journal of Instrument Engineering. 2023. Vol. 66, N 8. P. 680—687 (in Russian). DOI: 10.17586/0021-3454-2023-66-8-680-687.

Abstract. A method for overall calculation of an integral-field mirror module is developed. A schematic solution based on mirror elements is described, features are considered, and an approach to design is proposed. An example of calculating the optical system of the mirror module of the integral field of the KST-3 solar telescope-coronagraph is presented. To achieve the goal, methods for calculating optical systems, mathematical and computer modeling, as well as methods for optimizing optical systems are used. The practical significance of the result lies in achieving a high temporal resolution of solar telescopes while maintaining high spatial and spectral resolution. The considered approaches can be extended for use in the modernization of spectrometers and the expansion of the observatory instrumental park.

Keywords: integral field spectroscopy, integral field unit, image slicing, image slicer, wide spectral range, astronomical optics, solar telescope

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