Optical imaging system for visible light waveband, medium-wave infrared waveband and long-wave infrared waveband

An optical imaging system and long-wave infrared technology, applied in optics, optical components, instruments, etc., can solve the problems of multi-spectral cameras with bulky structures and complex optical systems, and achieve the goals of correcting aberrations, reducing optical components, and reducing lateral dimensions Effect

Active Publication Date: 2014-12-10
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0003] The invention provides a three-band optical imaging system of visible light, mid-wave infrared and long-wave infrared, which mainly solves the problems of bulky structure and complicated optical system of existing multispectral cameras

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  • Optical imaging system for visible light waveband, medium-wave infrared waveband and long-wave infrared waveband
  • Optical imaging system for visible light waveband, medium-wave infrared waveband and long-wave infrared waveband
  • Optical imaging system for visible light waveband, medium-wave infrared waveband and long-wave infrared waveband

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[0032] In order to better illustrate the purpose and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. see figure 1 , the present invention provides a three-band optical imaging system of visible light, mid-wave infrared and long-wave infrared, the optical system includes a first reflector (1), a second reflector (2), a third reflector (3), a first One lens (4), second lens (5), third lens (6), fourth lens (8), fifth lens (9), sixth lens (11), seventh lens (12), eighth lens A lens (13), a first image surface (7), a second image surface (10), and a third image surface (14).

[0033] In order to reduce the difficulty of processing and testing the primary mirror in the optical system, the primary mirror in the present invention adopts a hyperboloid.

[0034] In order to reduce the weight of the whole system, the three-band optical paths of the optical system in the p...

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Abstract

The invention provides an optical imaging system for visible light waveband, medium-wave infrared waveband and long-wave infrared waveband. The optical imaging system mainly solves the problem that an existing multi-spectrum camera is heavy in structure and complicated in optical system. The optical imaging system for visible light waveband, medium-wave infrared waveband and long-wave infrared waveband comprises a first reflection mirror, a second reflection mirror and a third reflection mirror, wherein the first reflection mirror is used for reflecting the visible light waveband, the medium-wave infrared waveband and the long-wave infrared waveband, the second reflection mirror is used for reflecting the visible light waveband and the medium-wave infrared waveband and transmitting the long-wave infrared waveband, and the third reflection mirror is used for transmitting the visible light waveband and the medium-wave infrared waveband and reflecting the long-wave infrared waveband. The optical imaging system for the visible light waveband, the medium-wave infrared waveband and the long-wave infrared waveband is light in structure, few in optical devices, fine in imaging quality, small and high in engineering realizability and is integrated with multi-spectrum detection.

Description

technical field [0001] The invention relates to the field of optoelectronic technology, and relates to a three-band optical imaging system of visible light, medium-wave infrared and long-wave infrared, and in particular to a multi-spectrum light and small detection optical system suitable for space environment and used in aerospace non-cooperative target detection systems. Background technique [0002] With the development of optical technology and electronic technology, the requirements for the technical indicators of space optical payloads are getting higher and higher, and the demand for light and small, high-resolution, multi-band detection optical cameras in the aerospace field is increasing. In order to achieve the technical indicators of high-resolution and multi-band detection, it is usually to design three independent optical cameras suitable for specific bands. The optical path connected to the detector constitutes three independent optical cameras. At night, the m...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B17/08G02B27/00
Inventor 王虎薛要克刘杰刘阳刘美莹张洁林上民
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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