Visible light and short-wave infrared dual-waveband common-aperture long-focus optical system
A short-wave infrared and optical system technology, applied in optics, optical components, instruments, etc., can solve problems such as large difference in visual experience, expensive infrared materials, and easy to affect target recognition, so as to improve the utilization rate of light energy and enhance the target Reconnaissance ability, reduced length effect
Active Publication Date: 2020-02-28
FUJIAN FORECAM OPTICS CO LTD
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Abstract
The invention relates to a visible light and short-wave infrared dual-waveband common-aperture long-focus optical system, which comprises a public mirror group A, a beam splitting prism B, a visible light mirror group C and a short-wave infrared mirror group D. The public mirror group A and the beam splitting prism B are arranged from left to right along an incident light path, incident light fromthe public mirror group A is divided into two ways through the beam splitting prism B, the two ways of light paths are imaged through the visible light mirror group C and the short-wave infrared mirror group D, and a visible light path is formed by the public mirror group A, the beam splitting prism B and the visible light mirror group C; and a short-wave infrared light path is formed by the public mirror group A, the beam splitting prism B and the short-wave infrared mirror group D. The optical system is compact in structure, a target can be simultaneously subjected to visible light and short-wave infrared dual-waveband imaging, the two waveband light paths have the same relative aperture and focal length, and all-weather long-range target high-resolution imaging can be achieved.
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Optical elements
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Wave bandPrism +9
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