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1. 发明申请

US20160370562A1 CO-APERTURE BROADBAND INFRARED OPTICAL SYSTEM 有权
标题翻译： CO-APERTURE宽带红外光学系统
公开(公告)号：US20160370562A1
公开(公告)日：2016-12-22
申请号：US15106699
申请日：2015-02-10
申请人： HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
发明人： Hong ZHANG , Jindong FEI , TIanxu ZHANG , Xiaobing DAI , XIangyan LIU , Li LIU
IPC分类号： G02B17/08 , G01J3/28 , G02B27/14 , G02B1/11 , G02B13/14 , G02B27/00
CPC分类号： G02B17/0808 , G01J3/2823 , G02B1/11 , G02B7/182 , G02B13/146 , G02B27/0025 , G02B27/142
摘要： The present invention discloses a co-aperture broadband infrared optical system, belonging to the field of infrared optical system. The system realizes long wave infrared (LWIR) imaging and broadband infrared spectrum measurement, and solves the problems of limited optical path layout, large volume and high cost of an optical system. The present invention includes a Cassegrain lens, a spectroscope, a reflector, several lens groups, an FPA interface and an optical fiber interface. Light (2 μm˜12 μm) is incident to the Cassegrain lens to be focused, then is split by the spectroscope, where 50% of the LWIR light (8 μm˜10 μm) passes through the lens group for aberration correction, and the image plane is focused again at the imaging interface. The other 50% of the LWIR light (8 μm˜10 μm) and the infrared reflected light (2 μm˜8 μm and 10 μm˜12 μm) pass through the lens group, and are reflected by the reflector, then focused at the optical fiber interface. The present invention is compact in overall structure and convenient and flexible to use, has relatively low cost, and can be integrated into an image-spectrum associated detection device to implement automatic detection and tracking, which can be widely used in civil and military fields such as environmental monitoring and infrared guidance.
摘要翻译：本发明公开了一种属于红外光学系统领域的共孔宽带红外光学系统。该系统实现长波红外（LWIR）成像和宽带红外光谱测量，解决了光学系统光路布局有限，体积大，成本高的问题。本发明包括卡塞格伦透镜，分光镜，反射器，多个透镜组，FPA接口和光纤接口。光（2μm〜12μm）入射到Cassegrain透镜进行聚焦，然后被分光镜分离，其中50％的LWIR光（8μm〜10μm）通过透镜组进行像差校正，图像平面再次聚焦在成像界面。另外50％的LWIR光（8μm〜10μm）和红外反射光（2μm〜8μm，10μm〜12μm）通过透镜组，被反射体反射，然后聚焦在光纤接口。本发明整体结构紧凑，使用方便灵活，成本相对较低，可以集成到图像相关检测装置中，实现自动检测和跟踪，可广泛应用于民用和军事领域作为环境监测和红外线指导。

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