Fish-eye lens optical system optimization design method based on wave aberration theory

Abstract

The invention relates to the technical field of optical system optimization design, and discloses a fish-eye lens optical system optimization design method based on a wave aberration theory, wherein the method comprises the steps: calculating an initial structure of a fish-eye lens through employing the wave aberration theory of a plane symmetric optical system, and obtaining the wave aberration of the system and the aperture aberration component and chromatic aberration of the system; enabling the evaluation function to perform integral summation on the wave aberration and the aperture aberration in a region range covered by a light beam; developing an optimization design program in a Matlab environment through a self-adaptive normalized real number coding genetic algorithm; and carryingout modeling analysis on the system before and after optimization in Zemax, and verifying an optimization result through comparison of a modulation transfer function curve and a full-view-field pointarray diagram. According to the fish-eye lens optical system optimization method developed based on the wave aberration theory of the plane symmetric optical system, the wave aberration expression isconcise and clear, and the method can be applied to various super-large field-of-view imaging optical systems with the plane symmetric characteristic.

Description

technical field [0001] The invention relates to the technical field of optimal design of an optical system, in particular to an optimal design method of a fisheye lens optical system based on wave aberration theory. Background technique [0002] The fisheye lens is a special optical system, and its imaging field of view can reach 180° or even 270°, so it can completely capture all objects in the hemispherical space or even the hyper-hemispheric space on its image plane. to obtain images. Due to its large imaging field of view, lenses and image acquisition devices based on the fisheye lens optical system can observe and record massive amounts of information without relying on physical rotation or scanning. Its imaging performance makes it suitable for the work that other optical systems cannot achieve, such as special photography, security monitoring, medical equipment and other occasions, and it also plays an extremely important role in the field of national defense and mil...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a fisheye lens optical system optimization design method based on the wave aberration theory, which has the advantages of a fisheye lens optical system with better imaging quality, and solves the problem that the optimization design work is difficult to achieve

Images