Large-aperture off-axis reflection type quantitative consistency test and calibration device for multiple optical axes

Abstract

The invention discloses a large-aperture off-axis reflection type quantitative consistency test and calibration device for multiple optical axes. The device comprises a large-aperture off-axis reflection type parallel light tube assembly, a CCD camera, an image collection processing assembly and a three-dimensional (3D) adjusting platform; the large-aperture off-axis reflection type parallel lighttube assembly, the CCD camera and the image collection processing assembly are mounted on the 3D adjusting platform; the large-aperture off-axis reflection type parallel light tube assembly comprisesa multispectral light source, a cross target, a spectroscope, a secondary reflector, a primary reflector, an attenuation sheet and a planar mirror for autocollimation; and the spectroscope is arranged between the secondary reflector and the cross target, the multispectral light source is arranged in front of the cross target, the CCD camera is arranged beside the spectroscope, the primary reflector cooperates with the secondary reflector, and the planar mirror for autocollimation is arranged in front of the primary reflector. The device can be widely applied to consistency detection and calibration of multiple optical axes of multiband photoelectric devices in different platforms.

Description

technical field [0001] The invention relates to the technical field of optoelectronic equipment detection, more specifically, to a large-diameter off-axis reflective multi-optical axis consistency quantitative test and calibration device, which is suitable for the optical axis consistency quantitative test and calibration of multi-spectrum optoelectronic equipment . Background technique [0002] Optoelectronic equipment has obvious advantages in night vision, high-precision tracking and anti-stealth, and has become a focus of high-tech military and civilian equipment development. Optoelectronic equipment is often equipped with photoelectric sensors such as visible light imaging devices, laser rangefinders, mid-wave infrared thermal imaging cameras, and long-wave infrared thermal imaging cameras. They cover a wide band and have multiple optical axes such as visible light, laser, mid-wave infrared, and long-wave infrared. The consistency between optical axes is a key technica...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the defects of commonly used optical axis consistency test methods, the purpose of the present invention is to provide a large-diameter off-axis reflective multi-optical axis consistency quantitative test and calibration device, which adopts a large-diameter off-axis reflective collimator method, photoelectric Detection technology and digital image processing technology solve the problems of small measurement aperture, large measurement random error and limited measurement accuracy of existing detection devices

Images