Seamless splicing imaging photoelectric system based on double lenses and nine surface array detectors

A technology of area array detector and imaging system, which is applied in the parts, TVs, instruments and other directions of TV systems, can solve the problems such as the long-term stability of motion mechanism, reliability system accuracy is difficult to guarantee, and the post-working distance is long. The system accuracy is stable and reliable, the structure is simple and easy to implement, and there is no effect of the moving mechanism.

Inactive Publication Date: 2013-01-30
INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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Problems solved by technology

There are deficiencies in the long-term stability of the motion mechanism, reliability, and system accuracy, and the long working distance behind

Method used

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  • Seamless splicing imaging photoelectric system based on double lenses and nine surface array detectors
  • Seamless splicing imaging photoelectric system based on double lenses and nine surface array detectors
  • Seamless splicing imaging photoelectric system based on double lenses and nine surface array detectors

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Embodiment Construction

[0031] like figure 1 As shown, the present invention includes 2 sets of imaging systems, the first set of imaging system includes the first lens a, beam splitting prism b, 8 pieces of area array detector group; the second set of imaging system includes lens c, optical plate d, 1 piece of area array detector Group; the combination realizes the image plane seamless splicing imaging photoelectric system of 9 area array detectors.

[0032] like figure 2 As shown in the figure, a beamsplitter prism b and 8 area array detectors are placed behind lens a, of which 4 area array detectors are placed on the main image plane, and 1 area array detector is placed on each of the 4 side image planes. Area array detectors 1, 3, 7, and 9 are placed on the main image plane; area array detectors 2, 4, 6, and 8 are placed on the side image plane. Looking from the lens to the direction of the main image plane, area array detector 2 is located on the top On the side image plane, the area array de...

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Abstract

The invention discloses a seamless splicing imaging photoelectric system based on double lenses and nine surface array detectors. The seamless splicing imaging photoelectric system has two imaging system structure and adopts a prism beam splitting mode; imaging of eight surface array detectors is realized on a first lens, wherein four surface array detectors are arranged on a main image surface and four surface array detectors are arranged on four side image surfaces respectively; imaging of the last surface array detector is realized on a second lens; and the two imaging systems and the surface array detectors are combined together to realize image surface seamless splicing formed by the nine surface array detectors in a 3*3 mode. A beam splitting prism is a combination of a rectangular pyramid and four half rectangular pyramid mirrors; and a beam splitting surface realizes beam splitting in a semi-transparency and semi-reflection manner, so that equivalent beam splitting is realized, and spliced vignetting of the surface array detectors can be eliminated. The seamless splicing imaging photoelectric system can be applied to aviation and aerospace optical imaging devices and optical detectors as well as equipment, in particular to aviation and aerospace mapping cameras of large-view-field ultra-large surface array detectors.

Description

technical field [0001] The invention belongs to a seamless imaging photoelectric system spliced ​​with super-large area array detectors, in particular to a seamless splicing imaging photoelectric system of double-lens 9-piece area array detectors. Background technique [0002] With the development of aviation and aerospace technology, the demand for photoelectric imaging systems with large area arrays and ultra-large area arrays is becoming more and more urgent. Two methods are often used to achieve large-scale array imaging. One is to customize ultra-large-scale detector devices at detector manufacturers, and the other is to use detector splicing. [0003] At present, the scale of single-chip large area array detectors in the world is about 17k×15k (DMC250), which is not a commodity on the shelf, and the application cost is expensive. In addition, further increasing the scale of single-chip detectors is also a technical bottleneck in the development of current detectors. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/225G02B27/10H01L25/065
Inventor 梁伟王甲峰高晓东赵人杰
Owner INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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