Imaging detector system and imaging detector thereof
An imaging detector and detector technology, which is applied in the device of large field of view, short focal depth optical imaging system, and large aperture field, can solve the problem of imaging detector surface accuracy, high accuracy of assembly and alignment, and limited imaging field of view. Field range, optical load can not be accurate and clear imaging and other problems, to achieve high-precision automatic focus, fast and accurate correction of defocus error effect
Inactive Publication Date: 2021-08-13
INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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Problems solved by technology
[0006] In view of the defects or improvement needs of the above-mentioned prior art, the technical problem to be solved by the present invention is: aiming at the near-diffraction-limit clear imaging optical system with large aperture and large field of view, in order to overcome the surface accuracy of the imaging detector in the system, the installation The problem of high precision adjustment and splicing precision, the problem that the optical load cannot be accurately and clearly imaged in the rapid change of the environment, and the problem that the area array imaging detector limits the range of the imaging field of view
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[0026] Embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood, however, that these descriptions are exemplary only and are not intended to limit the scope of the present invention. Various structural schematic diagrams according to embodiments of the present invention are shown in the drawings. The figures are not drawn to scale, with certain details exaggerated and possibly omitted for clarity of presentation. The shapes of the various regions and layers shown in the figure, as well as their relative sizes and positional relationships are only exemplary, and may deviate due to manufacturing tolerances or technical limitations in practice, and those skilled in the art will Regions / layers with different shapes, sizes, and relative positions can be additionally designed as needed.
[0027] The invention provides an imaging detector applied to full target surface imaging of a short focal depth optical im...
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The invention discloses an imaging detector system and an imaging detector thereof. The imaging detector comprises an area array detection chip, a front-end circuit, a rear-end circuit, a focusing actuator, a soft flat cable, a soft cooling fin and a bottom plate. The invention relates to the field of imaging, solves the problem that an existing short-focal-depth optical imaging system is easily influenced by the environment to generate defocus, analyzes a focusing position through an image formed by imaging detectors according to a defocusing amount calculation module, controls a focusing actuator of a single imaging detector through a control module, and enables an area array detection chip to move to the focusing position. And finally, full-view-field clear imaging is realized through the image fusion module. According to the invention, the defocus error can be rapidly and accurately corrected, and the problems of tedious operation and low precision of a short-focal-depth optical imaging system in the prior art are solved.
Description
technical field [0001] The invention relates to an imaging detection device, in particular to an imaging detection device applied to full target surface imaging of a short focal depth optical system. The present invention can detect the defocus error of the imaging system in real time, accurately move the position of the imaging detector, and combine the image fusion technology to realize clear imaging of the full imaging target surface. Device for short depth of focus optical imaging system. Background technique [0002] Optical imaging system is an important way to obtain information today. It can break through the limitation of human eyes and help people obtain information better. With the development of technology, in order to obtain more information, imaging with high resolution and large field of view has always been It is one of the important development directions in this field. However, limited by the physical size of the detector of the optical imaging system, la...
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IPC IPC(8): G01B11/24
CPCG01B11/24
Inventor 陈莫方俊博鲜浩周虹
Owner INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI