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X-ray lobster-eye object lens assembling apparatus and application thereof

A lobster eye and X-ray technology, which is applied in the field of X-ray imaging system installation and adjustment, can solve the problems of few, difficult and high-energy X-ray imaging, and lack of reliable installation and adjustment technology.

Inactive Publication Date: 2015-08-05
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are not many applications of X-ray lobster eye optical systems in China. The main reason is that there is no reliable assembly technology, and it is difficult to achieve reliable imaging of high-energy X-rays.

Method used

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  • X-ray lobster-eye object lens assembling apparatus and application thereof
  • X-ray lobster-eye object lens assembling apparatus and application thereof
  • X-ray lobster-eye object lens assembling apparatus and application thereof

Examples

Experimental program
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Effect test

Embodiment

[0050] This embodiment is used to complete the assembly of the objective lens of the X-ray lobster eye whose parameters are shown in Table 1.

[0051] Table 1

[0052] lens material

D263 (SiO 2 )

Number of layers of objective lens

2x30

lens length

100mm

Lens width

24mm

Lens Thickness

0.21mm

Lens spacing

0.4mm

[0053] A kind of adjusting device for X-ray lobster eye objective lens, such as Figure 7 , Figure 8 As shown, the adjusting device includes a lens assembly unit, a displacement sensing unit and a gasket grinding unit;

[0054] Lens assembly unit; including the objective lens base 5 and the six-dimensional electronically controlled displacement platform 4 for placing the lens to be assembled and adjusted. The six-dimensional electronically controlled displacement platform 4 drives the objective lens base 5 to move up and down, left and right, and forward and backward; It includes 3 sets of ...

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Abstract

The invention relates to an X-ray lobster-eye object lens assembling apparatus and an application thereof. The assembling apparatus is based on dispersion confocal detection and comprises a lens assembling unit, a displacement sensing unit and a pad grinding unit, wherein the lens assembling unit comprises an object lens base for placing a lens to be assembled and a six-dimensional electric control displacement platform driving vertical, left-to-right and front-to-back movement of the object lens base; the displacement sensing unit comprises a one-dimensional adjusting platform, a displacement sensor positioning support connected with the one-dimensional adjusting platform and a dispersion confocal displacement sensor clamped on the displacement sensor positioning support; and the pad grinding unit comprises a U-shaped support, a air floatation shaft arranged on the U-shaped support, and a grinding head connected with the air floatation shaft. Compared to the prior art, through scanning a mirror surface by use of the dispersion confocal displacement sensor, high-precision lens assembling can be realized, an object lens which is already installed can also be calibrated, and the problem of difficult control of the interval of a conventional lobster-eye object lens is overcome.

Description

technical field [0001] The invention relates to the field of assembly and adjustment of X-ray imaging systems, in particular to an assembly and adjustment device for an X-ray lobster eye lens based on dispersion confocal detection and its application. Background technique [0002] The optical constants of X-rays make it difficult to achieve focusing through refraction, and grazing incidence reflection is usually used. The lobster-eye (LE) optical system is derived from the visual system imitating the lobster. It is composed of grazing incidence mirrors with multiple channels. The spherical symmetry of the structure determines that it has no specific optical axis. The focusing power is the same, so it has a large field of view characteristic that cannot be matched by other X-ray optical systems. Schmidt and Angel respectively proposed two lobster eye systems with different structures: the Schmidt structure is suitable for large-scale, high light-gathering area systems, and i...

Claims

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Application Information

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IPC IPC(8): G01M11/02G01N23/04
Inventor 穆宝忠徐捷王新谢青伊圣振
Owner TONGJI UNIV
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