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Ultra-low distortion large viewing field telecentric optical system

A telecentric optical system and large field of view technology, applied in optics, optical components, instruments, etc., can solve the problems of high technical difficulty and high use requirements, and achieve the reduction of off-axis aberrations, smooth image plane, and no vignetting environment adaptive effect

Inactive Publication Date: 2011-04-20
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0002] In space rendezvous and docking and other high-precision positioning systems, there is a need for a telecentric optical system with ultra-low distortion and large field of view. Its use requirements are very high, and the design technology is very difficult. There is no such optical system in China.

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Embodiment Construction

[0022] see figure 1 , the present invention provides a telecentric optical system with ultra-low distortion and large field of view, the optical system includes a first negative lens 1, a first positive lens 2, a second negative lens 3, a diaphragm 7, and a third negative lens 4. The second positive lens 5 and the third positive lens 6; the first negative lens 1, the first positive lens 2, the second negative lens 3, the diaphragm 7, the third negative lens 4, the second positive lens 5 and the third The positive lens 6 is sequentially arranged on the same optical path 10 .

[0023] In order to enable the optical system provided by the present invention to obtain high-precision imaging quality, the optical system also includes a bandpass filter 9, which can be placed before the first negative lens 1 or before the third positive lens 1. After the lens 6, it is on the same optical path 10 with the first negative lens 1, the first positive lens 2, the second negative lens 3, the...

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Abstract

The invention relates to an ultra-low distortion large viewing field telecentric optical system. The ultra-low distortion large viewing field telecentric optical system comprises a first negative lens, a first positive lens, a second negative lens, a diaphragm, a third negative lens, a second positive lens and a third positive lens which are sequentially arranged on the same optical path. The ultra-low distortion large viewing field telecentric optical system can meet the requirements of a positioning system on high precision and illumination uniformity in different viewing fields, has uniform dispersion in various viewing fields and can ensure that the lenses do not have vignetting.

Description

technical field [0001] The invention belongs to the field of optoelectronic technology, and relates to a telecentric optical system with ultra-low distortion and large field of view, in particular to an optical system suitable for space environment and used in high-precision positioning systems such as space rendezvous and docking. Background technique [0002] A telecentric optical system with ultra-low distortion and large field of view is required in high-precision positioning systems such as rendezvous and docking in space. Contents of the invention [0003] In order to solve the above-mentioned technical problems in the background technology, the present invention provides an ultra-low distortion that can meet the requirements of high precision of the positioning system and the uniformity of illumination in different fields of view, the dispersion of each field of view is relatively uniform, and the lens can be free of vignetting. Telecentric optical system with large...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/00G02B1/00
Inventor 王虎刘杰初昶波解永杰苗兴华汶德胜王锋丰善
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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