Airborne visible light and long-wave infrared dual-band common-aperture polarization optical system

Abstract

The invention discloses an airborne visible light and long-wave infrared dual-band common-aperture polarization optical system, relates to the technical field of optics, and solves the problems that an existing dual-band common-aperture optical system adopts a catadioptric structure, is small in field of view, high in installation and adjustment difficulty and unfavorable for target detection, so that marine target search and accurate acquisition of target high-quality imaging information are difficult, and the like. The system comprises a common transmission system, a beam splitter prism group, a visible light path correction system and an infrared light path correction system. The optical system can cover a visible wave band and a long-wave infrared wave band, can work in the daytime and at night respectively, and achieves large-view-field all-time imaging. Compared with a traditional split type structure, the system has the advantages of being compact in structure, small in size and low in weight; and compared with an existing common-caliber refraction and reflection type structure, the system has the advantages of being large in view field and easy and convenient to install and adjust. According to the system, wide-area all-time monitoring of a target area can be realized, and the performance of photoelectric reconnaissance equipment is effectively improved.

Description

technical field [0001] The invention relates to the field of optical technology, in particular to an airborne visible light and long-wave infrared co-aperture polarization optical system. Background technique [0002] With the continuous economic development of coastal areas, oil spill disasters caused by offshore oil and gas exploration and transportation have become the main type of disasters that threaten marine ecological security. The research and treatment of oil spill pollution has attracted worldwide attention. Traditional oil spill detection methods mainly include satellite remote sensing technology, hyperspectral remote sensing technology, visible light detection technology, infrared remote sensing technology, laser induced fluorescence technology and ultraviolet detection technology. Most of these methods are based on intensity detection, and usually collect single-band or narrow-band dual-band information. For multi-band detection, at present, most of the syste...

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Problems solved by technology

[0003] In order to solve the problems that the existing dual-band common-aperture optical system adopts a catadioptric structure, the field of view is small, the installation and adjustment are difficult, it is not conducive to target detection, and it is difficult to search for targets at sea and accurately obtain high-quality imaging information of targets. An airborne visible light and long-wave infrared dual-band co-aperture polarization optical system

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