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X-ray pinhole camera for intense laser light condition and installation and adjustment method

A pinhole camera and X-ray technology, which is applied in optics, instruments, photography, etc., can solve problems such as X-ray pinhole camera failure, and achieve the effects of saving adjustment time, increasing accuracy, and improving signal-to-noise ratio

Active Publication Date: 2016-07-27
中国工程物理研究院上海激光等离子体研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the high-energy g-rays are strong enough and the background noise is large enough, the pinhole imaging of X-rays will be overwhelmed, making traditional X-ray pinhole cameras completely useless

Method used

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  • X-ray pinhole camera for intense laser light condition and installation and adjustment method
  • X-ray pinhole camera for intense laser light condition and installation and adjustment method
  • X-ray pinhole camera for intense laser light condition and installation and adjustment method

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Effect test

Embodiment 1

[0034] Such as image 3 , Figure 4 with Figure 5 As shown, this embodiment is used for an X-ray pinhole camera under strong laser conditions, and the pinhole camera includes a pinhole plate 2, a pinhole seat housing 3, a front light tube 4, a grazing incidence mirror chamber, and a rear light tube 7. Film chamber 8, film cassette 9, filter frame 10, filter disc 10-1, negative film 10-2, two-dimensional adjustment laser seat 11, semiconductor laser 12 and two-dimensional adjustment frame 15, in the film chamber 8 A two-dimensional adjustment laser seat 11 is fixedly arranged on the outside, and a semiconductor laser 12 is installed on the side corresponding to the film chamber 8 on the two-dimensional adjustment laser seat 11. A through hole for adjusting the passage of the laser light; the grazing incidence mirror chamber includes a mirror chamber housing 5, a light blocking lead plate 6, a grazing incidence mirror 13 and a two-dimensional adjustment grazing incidence mirr...

Embodiment 2

[0047] Such as image 3 , Figure 4 with Figure 5 As shown, the present embodiment is used for an X-ray pinhole camera under strong laser conditions. In order to realize high-temperature plasma X-ray imaging under strong laser irradiation and high background noise conditions, the pinhole camera includes a pinhole plate 2, a pinhole Housing housing 3, front light tube 4, grazing incidence mirror room, rear light tube 7, film chamber 8, film box 9, filter frame 10, filter 10-1, film 10-2, two-dimensional adjustment laser Seat 11, semiconductor laser 12 and two-dimensional adjustment frame 15, two-dimensional adjustment laser seat 11 is fixedly arranged on the outside of described film chamber 8, semiconductor laser is installed on the side corresponding to film chamber 8 on two-dimensional adjustment laser seat 11 12. At the optical axis positions of the two-dimensional adjustment laser seat 11 and the film chamber 8, there are through holes for the adjustment laser to pass t...

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Abstract

The invention relates to an X-ray pinhole camera for an intense laser light condition. The pinhole camera comprises a pinhole plate, a pinhole base housing, a front light-passing barrel, a grazing incidence mirror room, a back light-passing barrel, a negative film room, a negative film box, a filter disc frame, a filter disc, a negative film, a two-dimensional adjusting laser base, a semiconductor laser device and a two-dimensional adjusting bracket, wherein the two-dimensional adjusting laser base is fixedly arranged at the outer side of the negative film room; the semiconductor laser device is arranged at one side, corresponding to the negative film room, of the two-dimensional adjusting laser base; and through holes through which an adjusting laser light passes are formed in optical axis positions of the two-dimensional adjusting laser base and the negative film room. The influence of an ultra-intense g ray under the intense laser light condition is effectively eliminated; the X-ray pinhole camera is well applied to high-temperature dense plasma imaging under the intense laser light condition; and quick and stable installation and adjustment on the X-ray pinhole camera can be carried out through a laser-assisted targeting method.

Description

technical field [0001] The invention relates to the field of imaging, in particular to an X-ray pinhole camera and an installation and adjustment method used under strong laser conditions, and is a high-temperature plasma X-ray imaging camera that can be used under conditions of strong laser irradiation and high background noise. Grazing incidence X-ray pinhole camera. Background technique [0002] X-ray pinhole camera is one of the important diagnostic equipment in high-temperature plasma imaging diagnosis, and is widely used in various researches related to high-temperature dense laser plasma. The X-ray pinhole camera can obtain information such as the shape of the laser focal spot, temperature distribution, size, and contour by self-illuminating imaging of the plasma to be measured, which is of great significance for qualitatively understanding the state of the laser focus and the state of the plasma. [0003] The traditional X-ray pinhole camera is based on the principl...

Claims

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Application Information

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IPC IPC(8): G03B42/02
CPCG03B42/025
Inventor 王琛安红海熊俊方智恒王伟孙今人王轶文张众
Owner 中国工程物理研究院上海激光等离子体研究所
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