Ultraviolet and visible light double optical axis parallelism calibration device under external field environment

Abstract

The invention belongs to the technical field of optical equipment, and particularly relates to an ultraviolet and visible light double optical axis parallelism calibration device under external field environment. The device aims at solving the problem that ultraviolet target imaging detection system optical axis parallelism is influenced by environmental factors existing in the prior art. In order to resolve the problems existing in the prior art, the device comprises a focal depth self-calibration assembly and a radial self-calibration assembly, wherein the focal depth self-calibration assembly is composed of an ultraviolet light source assembly, a visible light source assembly, a diaphragm disk, a semitransparent semi-reflective mirror, a receiving component charge coupled device (CCD), a secondary reflecting mirror, a main reflecting mirror and a base CCD vidicon; and the radial self-calibration assembly comprises a plane optical flat which is arranged on a light circuit between the main reflecting mirror and the base CCD vidicon. The device has the advantages of being compact in structure, effectively solving the maladjusted calibration problem of ultraviolet and visible light double optical axis parallelism of an ultraviolet target imaging detection system, and improving ultraviolet and visible light double optical axis parallelism calibration efficiency. The measurement accuracy of the device reaches to 10 seconds and can be kept less than or equal to 10 seconds under the condition that the temperature is between -30 DEG C and +60 DEG C.

Description

Technical field [0001] The present invention is a technology field in optical equipment, which involves a parallel calibration device in ultraviolet and visible optical shafts in an external environment. Background technique [0002] The UV target imaging detection system receives the space of ultraviolet information with the large field of view and the large -pore diameter optical system. The ultraviolet detection imaging unit will transform the specific wavelength in the field of view of the field of view to form a visible light image.Send into the computer for processing, and finally go out as output processing results according to the system. [0003] Due to the needs of optical detection, the ultraviolet target imaging detection system needs to work in visible and ultraviolet composite bands. In order to complete the detection and measurement tasks of the target, a main technical indicator affecting the performance of the detection system is the parallelism of ultraviolet an...

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Problems solved by technology

[0008] The patent of the present invention provides a dual optical axis parallelism calibration device for ultraviolet and visible light in an external field environment, so as to overcome the problem in the prior art that environmental factors affect the parallelism of the optical axes of the ultraviolet target imaging detection system.

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