Improving the objectivity of focusing optical systems by measuring the spatial distribution of the point spread function

I.A. Grechukhin; I.I. Zubkov; I.A. Kalinin; A.M. Moiseev; P.E. Novikov; V.V. Azarov

doi:10.18127/j20700814-202303-15

Improving the objectivity of focusing optical systems by measuring the spatial distribution of the point spread function

I.A. Grechukhin¹, I.I. Zubkov², I.A. Kalinin³, A.M. Moiseev⁴, P.E. Novikov⁵, V.V. Azarov⁶

research article UDC 535.232.6 Pages: 116-126 doi.org/10.18127/j20700814-202303-15

^1,2,3,4,5,6 JSC "Precision Systems and Instruments" (Moscow, Russia)-

Keywords: Lens telescope aperture point spread function (PSF)television camera

Abstract

Formulation of the problem. Optical systems price and quality depend on the requirements for focusing accuracy validity and the measurements objectivity at the focusing stage of optical systems manufacturing.

Purpose of the article. Increasing the measurements objectivity at the focusing stage of optical systems manufacturing. Objective measuring of 3 values – the focusing range, the optimal focusing position and the focusing accuracy – from the "focusing function" constructed from the spatial distribution of the point spread function measuring.

Results. It has been found that by measuring the spatial distribution of the point spread function and constructing the "focusing function" it is possible to measure the focusing range, the optimal focusing position, and the focusing accuracy. Measurement schemes for typical optical systems are presented. The ranges of typical optical systems parameters were calculated.

Practical significance. Obtained results could be used in the optical systems development and assembly.

Received: 24.03.2023
Approved after review: 07.04.2023
Accepted: 20.04.2023

How to cite

Гречухин И.А., Зубков И.И., Калинин И.А., Моисеев А.М., Новиков П.Е., Азаров В.В. Повышение объективности фокусировки оптических систем с помощью измерения пространственного распределения функции рассеяния точки // Информационно-измерительные и управляющие системы. 2023. Т. 21. № 3. С. 116−126. DOI: https://doi.org/10.18127/j20700814-202303-15

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[1] Born M., Vol'f Je. Osnovy optiki. M.: Nauka. 1973. 720 s. (In Russian).

[2] Landsberg G.S. Optika. M.: Nauka. 1976. 926 s. (In Russian).

[3] Ahmanov S.A., Nikitin S.Ju. Fizicheskaja optika. M.: Nauka. 2004. 654 s. (In Russian).

[4] Rodionov S.A. Osnovy optiki. Konspekt lekcij. SPb: SPb GITMO(TU). 2000. 173 s. (In Russian).

[5] Begunov B.N., Zakaznov N.P., Kirjushin S.I., Kuzichev V.I. Teorija opticheskih sistem. M.: Mashinostroenie. 1981. 432 s. (In Russian).

[6] Rusinov M.M., Grammatin A.P. i dr. Vychislitel'naja optika: Spravochnik. Pod obshh. red. M.M. Rusinova. L.: Mashi-nostroenie. 1984. 423 s. (In Russian).

[7] Butikov E.I. Optika. Pod red. N.I. Kalitievskogo. M.: Vysshaja shkola. 1986. 512 s. (In Russian).

[8] Matveev A.N. Optika. M.: Vysshaja shkola. 1985. 351 s. (In Russian).

[9] Tudorovskij A.I. Teorija opticheskih priborov. M., L.: Izd-vo AN SSSR. 1948. 661 s. (In Russian).

[10] Moskalev V.A. Prikladnaja fizicheskaja optika. SPb: Politehnika. 1995. 528 s. (In Russian).

[11] Ditchbern R. Fizicheskaja optika. M.: Nauka. 1965. 531 s. (In Russian).

[12] Henl H., Mauje A., Vestpfal' K. Teorija difrakcii. M.: Mir. 1964. 428 s. (In Russian).

[13] D'jakonov V.P. Mathcad 8-12 dlja studentov (Polnoe rukovodstvo pol'zovatelja). M.: SOLON-Press. 2005. 630 s. (In Russian).

[14] Ango A. Matematika dlja jelektro- i radioinzhenerov: Per. s fr. Pod obshh. red. K.S. Shifrina. M.: Nauka. 1964. 772 s. (In Russian).

[15] Kreopalova G.V., Lazareva N.L., Purjaev D.T. Opticheskie izmerenija. M.: Mashinostroenie. 1987. 264 s. (In Russian).

[16] Afanas'ev V.A. Opticheskie izmerenija. M.: Vysshaja shkola. 1981. 229 s. (In Russian).

[17] Sivuhin D.V. Obshhij kurs fiziki. Optika. M.: Fizmatlit. 1980. 752 s. (In Russian).

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