Desktop type plasma ultrafast X-ray source

Abstract

The invention discloses a desktop type plasma ultrafast X-ray source, which comprises a vacuum cavity, a reaction cavity, a target belt, shielding belts, an X-ray CCD, a target belt transmission system, a shielding belt transmission system and an external light path system, wherein the reaction cavity is positioned in the vacuum cavity; the left side wall and the right side wall of the reaction cavity are each provided with two vertically-arranged shielding belt strip-shaped passing seams and a vertically-arranged target belt strip-shaped passing seam; the target belt penetrates through the two target belt strip-shaped seams in the reaction cavity and is driven by the target belt transmission system to move, the number of the shielding belts is two, the two shielding belts penetrate through the two shielding belt strip-shaped seams in the rear side of the reaction cavity and the two shielding belt strip-shaped seams in the front side of the reaction cavity respectively, and the shielding belt transmission system drives the shielding belts to move. The side wall of a cavity body of the vacuum cavity is provided with an optical window located on the front side of the reaction cavityand an X-ray window located on the rear side of the reaction cavity. When the desktop type plasma ultrafast X-ray source is applied, the photon yield is sufficient, the data acquisition period is short, the reliability of experimental data can be ensured, and the performance parameters and stability of equipment can be greatly improved.

Description

technical field [0001] The invention relates to the field of ultrafast lattice dynamics detection, in particular to a desktop plasma ultrafast X-ray source. Background technique [0002] At present, ultrafast X-rays are mainly used in the field of ultrafast phenomenon detection, such as ultrafast X-ray diffraction, ultrafast X-ray absorption technology, etc. As an important ultrafast detection beam, short-pulse X-rays, large-scale short X-ray sources represented by advanced third-generation synchrotron radiation sources and X-ray free electron lasers, have a great impact on the development of science and technology with their excellent performance and high power. have a huge impact. However, the existing short X-ray sources are expensive and bulky, making it difficult to promote small and medium-sized research laboratories to hospitals and other application scenarios. [0003] The development of new ultrashort X-ray sources with small size, low cost and excellent performan...

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of insufficient photon yield, too long data collection period, and reduced reliability of experimental data after the plasma X-ray source equipment is reduced in size, and provides a desktop plasma ultra-fast X-ray source, Its structure is simple, easy to implement, low in cost, small in size, and its photon output is sufficient, the data collection cycle is short, and it can ensure the reliability of experimental data, which can greatly improve the performance parameters and stability of the equipment

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