A semi-analytic approach to calculating the Strehl ratio for a circularly symmetric system. Part 1: static wavefront

• Autorzy: Castaño-Fernandez A. B. , Martínez-Finkelshtein A. , Iskander D. R.

Identyfikatory

DOI

10.5277/oa180204

• Języki publikacji: EN

Abstrakty

EN

Close-form expression for the Strehl ratio calculated in the spatial frequency domain of the optical transfer function (SOTF) is considered for the case of an optical system that has circular symmetry. First, it is proved that the SOTF for the aberration-free diffraction limited optical system is equal to one. Further, a semi-analytic solution for the SOTF for a system described by the second (defocus) and the fourth (spherical) order aberrations is provided. It is shown that the proposed semi-analytical solution is of an order of a magnitude computationally more efficient than the commonly used approach based on the discrete Fourier transformation.

Słowa kluczowe

EN

image quality assessment; optical transfer function; mathematical methods in physics; finite analogs of Fourier transforms

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2018
• Tom: Vol. 48, nr 2
• Strony: 201--210
• Opis fizyczny: Bibliogr. 19 poz., rys.

Twórcy

autor

Castaño-Fernandez A. B.

• Department of Mathematics, University of Almería, Almería, Spain

autor

Martínez-Finkelshtein A.

• Institute Carlos I for Theoretical and Computational Physics, Granada, Spain

autor

Iskander D. R.

• Faculty of Fundamentals Problems of Technology, Wrocław University of Science and Technology, Wrocław, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).