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High time resolution three-dimensional imaging method based on framing camera

A framing camera, time-resolved technology, applied in the field of inertial confinement fusion diagnosis, can solve the problems of not obtaining three-dimensional image results, not using the ultrafast phenomenon diagnosis process, etc., to achieve the effect of saving experimental time and money

Inactive Publication Date: 2013-06-05
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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Problems solved by technology

However, due to the limitations of the environment and other conditions, it has not been applied to the ultrafast phenomenon diagnosis process.
[0004] At present, countries that study inertial confinement fusion have obtained diagnostic results of two-dimensional picosecond fractional images, but none of them have obtained three-dimensional image results

Method used

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  • High time resolution three-dimensional imaging method based on framing camera
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  • High time resolution three-dimensional imaging method based on framing camera

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Embodiment Construction

[0029] The invention uses a combination of multiple framing cameras and computer three-dimensional reconstruction technology to obtain three-dimensional images.

[0030] see figure 1 , the present invention is a method for integrating innovations. The picosecond time-resolved two-dimensional image is obtained by the X-ray microchannel plate traveling wave gating framing camera, and combined with the three-dimensional reconstruction method, the picosecond time-resolved three-dimensional image is obtained. The purpose is to provide a technology for obtaining three-dimensional images with picosecond time resolution for diagnosing the spatiotemporal evolution process of implosion pellets, implosion symmetry, and hydrodynamic stability during the ultrafast fusion process.

[0031] The specific technical solution is mainly divided into two steps: two-dimensional information acquisition and three-dimensional information reconstruction.

[0032] Two-dimensional information acquisiti...

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Abstract

The invention relates to a high time resolution three-dimensional imaging method based on a framing camera. The high time resolution three-dimensional imaging method based on the framing camera includes the following steps: 1), obtaining a two-dimensional image of an object to be tested by utilization of the framing camera; and 2), performing three-dimensional reconstruction on the obtained two-dimensional image of the object to be tested to obtain the three-dimensional visual effect object to be tested. The high time resolution three-dimensional imaging method based on the framing camera is capable of obtaining the three-dimensional image with picosecond (10-12 S) time resolution, and providing a reliable basis for direct improving on laser beam forms in a test process.

Description

technical field [0001] The invention belongs to the technical field of inertial confinement fusion diagnosis, and relates to a three-dimensional imaging method, in particular to a high time-resolution three-dimensional imaging method based on a framing camera. Background technique [0002] An X-ray microchannel plate traveling-wave-gated framing camera is a two-dimensional image acquisition device for ultrafast phenomenon diagnosis in the X-ray and ultraviolet spectral ranges, and its applications cover nuclear physics, biomedical photonics, New foreign disciplines such as plasma physics and strong field physics. At present, in inertial confinement fusion experiments, multiple plasma pinch X-ray images with picosecond time resolution are obtained by framing cameras, but it is only a two-dimensional imaging system, which can only obtain fusion two-dimensional imaging images, which cannot be visualized and real-time. To determine the location of uneven laser irradiation, expe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/03G03B42/02
Inventor 白晓红白永林徐鹏缑永胜刘百玉王博朱炳利秦君军杨文正
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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