METHOD OF CONTROL OF LENS QUALITY Russian patent published in 2018 - IPC G01M11/02 

FIELD: optics.

SUBSTANCE: invention can be used in control and certification of optical products having high image quality. Method comprises illumination by a light flux of a test object in the form of a point diaphragm, collimation of the light flux, its focusing with the objective lens of the stellar sensor (SS) on the photosensitive surface (PSS) of the technological multielement FP (MPS), the size of the element of which is smaller and is a multiple of the size of the photosensitive element (PSE) of the standard MPS included in the composition of the SS, the construction of the energy distribution function by electric signals as a function of the point scattering (PDT) and the conversion of the PDT of the technological MFP to the FRT of the full-time MFP. Quality of the objective lens is estimated by comparing the correspondence of the PSF of the standard FPA HD to the calculated optimality criteria of the investigated HD lens, and in accordance with the criteria of optimality make a conclusion about the quality of the objective, and if the criteria for optimality do not meet, defocus the objective lens to obtain a new distribution of the FRT on the technological MFP and repeating the above sequence of operations.

EFFECT: increase accuracy of quality control of lenses with the possibility of bringing them to the established optimal criteria.

1 cl, 10 dwg, 1 tbl