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Cross connection type nano focusing X ray lens combination

A combined lens and nano-focusing technology, which is applied in the field of X-ray microstructured optical devices, can solve the problems of large material restrictions on manufacturing technology, low X-ray radiation transmittance, and difficulty in focusing focal spot size, and achieve small material restrictions. , light-gathering ability is improved, and the effect of device aspect ratio is large

Inactive Publication Date: 2008-07-16
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the shortcomings of the combined lens in the prior art, such as poor light-gathering ability, low X-ray radiation transmittance, difficulty in further reducing the size of the focal spot, and large limitations on the materials of the manufacturing technology, and in order to further reduce the X-ray combined lens The size of the focal spot can obtain nanometer-scale X-ray detection micro-beams, which can meet the requirements of the resolution of the X-ray diagnostic system in the application field. Focal spot size, crossover nano-focusing X-ray combination lens adapted to existing manufacturing technology

Method used

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  • Cross connection type nano focusing X ray lens combination
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Examples

Experimental program
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Effect test

Embodiment 1

[0023] Referring to Figures 1 to 3, the bridge-type nano-focus X-ray combined lens includes a primary X-ray combined lens 1, a secondary X-ray combined lens 2 and an optical axis collimator 3, the primary X-ray The combination lens 1 and the secondary X-ray combination lens 2 are fixed on the optical axis collimator 3, and the incident X-ray beam first enters the first-level X-ray combination lens 1 and is focused by the first-level X-ray combination lens 1 And after exiting, it is injected into the secondary X-ray combination lens 2 to focus again, and the focal spot of the bridged nano-focus X-ray combination lens means the focal spot of the beam emitted from the secondary X-ray combination lens 2. spot.

[0024] The distance between the secondary X-ray composite lens and the primary X-ray composite lens is between 1 mm and 8 mm, and the specific value is determined by the focal spot size of the primary X-ray composite lens and the secondary X-ray composite lens. The geomet...

Embodiment 2

[0031] Referring to Figures 1 to 3, the bridge-type nano-focus X-ray combined lens includes a primary X-ray combined lens 1, a secondary X-ray combined lens 2 and an optical axis collimator 3, the primary X-ray The combination lens 1 and the secondary X-ray combination lens 2 are fixed on the optical axis collimator 3, and the incident X-ray beam first enters the first-level X-ray combination lens 1 and is focused by the first-level X-ray combination lens 1 And after exiting, it is injected into the secondary X-ray combination lens 2 to focus again, and the focal spot of the bridged nano-focus X-ray combination lens means the focal spot of the beam emitted from the secondary X-ray combination lens 2. spot.

[0032] The distance between the secondary X-ray composite lens and the primary X-ray composite lens is between 1 mm and 8 mm, and the specific value is determined by the focal spot size of the primary X-ray composite lens and the secondary X-ray composite lens. The geomet...

Embodiment 3

[0039] Referring to Figures 1 to 3, the bridge-type nano-focus X-ray combined lens includes a primary X-ray combined lens 1, a secondary X-ray combined lens 2 and an optical axis collimator 3, the primary X-ray The combination lens 1 and the secondary X-ray combination lens 2 are fixed on the optical axis collimator 3, and the incident X-ray beam first enters the first-level X-ray combination lens 1 and is focused by the first-level X-ray combination lens 1 And after exiting, it is injected into the secondary X-ray combination lens 2 to focus again, and the focal spot of the bridged nano-focus X-ray combination lens means the focal spot of the beam emitted from the secondary X-ray combination lens 2. spot.

[0040] The distance between the secondary X-ray composite lens and the primary X-ray composite lens is between 1 mm and 8 mm, and the specific value is determined by the focal spot size of the primary X-ray composite lens and the secondary X-ray composite lens. The geomet...

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Abstract

The invention provides a bridge connection type nanometer focusing X-ray lens combination, comprising a primary X-ray lens combination, a secondary X-ray lens combination and an optical shaft calibrating device, wherein, the primary X-ray lens combination and the secondary X-ray lens combination are fixed on the optical shaft calibrating device. The incident X-ray firstly goes through the primary X-ray lens combination, is focused by the primary X-ray lens combination and is emergent, goes through the secondary X-ray lens combination and is focused again. A gap which is determined by both the focal spot size of the primary X-ray lens combination and the geometrical caliber of the secondary X-ray lens combination exists between the secondary X-ray lens combination and the primary X-ray lens combination.

Description

(1) Technical field [0001] The invention belongs to an X-ray microstructure optical device, in particular to a microstructure X-ray optical device capable of focusing X-rays at a nanometer scale, and is suitable for one-dimensional focusing and imaging of high-energy X-ray band (>5keV) radiation. (2) Background technology [0002] X-ray composite lens is an X-ray microstructure optical device based on refraction effect proposed by A. Snigirev in 1996, which is suitable for high-energy X-ray band (that is, X-ray radiation energy exceeds 5keV). It has the advantages of no need to bend the optical path, good high temperature stability and easy cooling, simple and compact structure, and low requirements on the surface roughness of the lens. It has broad application prospects in the field of ultra-high resolution X-ray diagnostic science and technology. In recent years, research on various X-ray diagnostic techniques based on X-ray combined lenses is very active. For example...

Claims

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Application Information

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IPC IPC(8): G21K1/06
Inventor 乐孜纯董文梁静秋
Owner ZHEJIANG UNIV OF TECH