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Multi-spectral optical axis parallelism testing device and testing method

A testing device and a multi-spectral technology, which are applied in the field of optical detection, can solve the problem of not being able to meet the optical axis testing of multi-spectral optoelectronic equipment and the like.

Active Publication Date: 2020-09-25
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0004] In order to solve the problem that the current optical axis parallelism test device cannot satisfy the test problem of the optical axis parallelism of each optical sub-system of multi-spectral optoelectronic equipment, the present invention proposes a multi-spectral optical axis parallelism test device and testing method

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  • Multi-spectral optical axis parallelism testing device and testing method
  • Multi-spectral optical axis parallelism testing device and testing method
  • Multi-spectral optical axis parallelism testing device and testing method

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Embodiment Construction

[0076] The present invention will be further described below in conjunction with accompanying drawing.

[0077] Such as figure 1 As shown, the multi-spectral optical axis parallelism test device provided by the present invention includes a wide-spectrum target alignment module, a multi-spectral target generation module, a laser spot acquisition module, an image analysis module and a reference mirror 10 .

[0078] The multi-spectral target generation module is used to simulate targets of different spectral bands, including the first attenuation film 4, the laser light source 5, the target target 6, the wide-spectrum light source 7 and the second beam splitter 3, wherein: the first attenuation film 4 is set On the output light path of the laser light source 5, the first attenuation plate 4 and the laser light source 5 are used to simulate the laser ranging band target; the target target 6 is arranged on the output light path of the wide-spectrum light source 7, and the target ta...

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Abstract

In order to solve the problem that a current optical axis parallelism testing device cannot meet the requirement for testing the optical axis parallelism of all optical subsystems of multi-spectrum photoelectric equipment, the invention provides a multi-spectrum optical axis parallelism testing device and a multi-spectrum optical axis parallelism testing method. According to the invention, the off-axis parabolic mirror, the spectroscope, the short-wave infrared camera, the wide-spectrum light source, the target and the laser light source are adopted to realize simulation of a wide-spectrum infinite target. According to the imaging position of the simulation target in each optical subsystem, the parameters of each optical subsystem and the focal length of the parallel light tube, the consistency of the optical axes of the optical subsystems is calculated, the test of the parallelism of the optical axes among a visible light imaging system, an infrared imaging system, a laser transmitting system, a laser receiving system, a visual aiming system and an equipment mechanical reference in the multi-spectrum photoelectric equipment can be completed, and all the requirements of the consistency of the optical axes of the current photoelectric equipment can be met.

Description

technical field [0001] The invention belongs to the technical field of optical detection, and relates to a testing device for parallelism between the aiming lines (visual axes) of multi-spectral optical subsystems of a photoelectric tracking instrument, and between each optical subsystem of the instrument and an installation mechanical reference. method. Background technique [0002] At present, multi-optical sensor optoelectronic devices integrating visible light imaging, low-light imaging, infrared thermal imaging, laser ranging, and visual aiming are widely used in security monitoring, forest fire prevention and other fields. Tasks such as tracking, observation and targeting, azimuth indication, and all-weather imaging have significantly improved the overall performance and efficiency of optoelectronic equipment. Multi-spectral photoelectric equipment refers to the integration of two or more of visible light cameras, low-light cameras, mid-wave infrared thermal imaging c...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M11/02
CPCG01M11/0207G01M11/0257
Inventor 田留德周艳王涛赵建科曹昆
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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