CN-122017935-A - X-ray composite prism

CN122017935ACN 122017935 ACN122017935 ACN 122017935ACN-122017935-A

Abstract

The invention discloses an X-ray composite prism which comprises a support substrate, wherein a plurality of prisms are arranged on the support substrate, and the heights of the prisms are sequentially increased from front to back. The X-ray energy spectrum measuring device has the beneficial effects that the plurality of prisms are arranged on the supporting substrate, the heights of the prisms are sequentially increased from front to back, the height difference of the adjacent prisms is limited, the X-ray energy spectrum is measured through multiple refraction, the structure is light, the dispersion efficiency is high, and the wide energy spectrum measurement can be realized.

Inventors

WEI LAI
CHEN YONG
FAN QUANPING
WANG SHAOYI

Assignees

中国工程物理研究院激光聚变研究中心

Dates

Publication Date: 20260512
Application Date: 20260130

Claims (4)

1. The X-ray composite prism is characterized by comprising a support substrate, wherein a plurality of prisms are arranged on the support substrate, and the heights of the prisms are sequentially increased from front to back; Let the longest wavelength of incident X-ray Wavelength of (wavelength of) X-rays of (2) at the first Real part of refractive index of each prism Then (1) Upper surface ratio of prism The upper surface of each prism is high The method meets the following conditions: ; Wherein, the Is the first The width of each prism in the X-ray transmission direction, In the first place for X-ray A prism side incident angle; First, the Width of each prism in X-ray transmission direction The method meets the following conditions: ; Wherein, the To be incident on the first The width of the X-ray beam at the side of the prism in the direction of dispersion, Is the angle of incidence.
2. The X-ray composite prism according to claim 1, wherein the prism is a cube or a cuboid.
3. The X-ray composite prism according to claim 2, wherein the prisms are arranged in close contact or spaced apart relationship.
4. The X-ray composite prism according to claim 3, wherein the prism is made of one of silicon, diamond, silicon nitride, aluminum oxide, germanium and SU-8 photoresist.

Description

X-ray composite prism Technical Field The invention relates to the technical field of X-ray optics, in particular to an X-ray composite prism. Background The hard X-ray has strong penetrability, is an effective means for diagnosing the state of high-temperature high-density plasma, and is also an important probe for analyzing the structures of various substances. The hard X-ray dispersion element is a core device of various X-ray spectrum diagnostic instruments, monochromized beam lines and experimental stations, realizes various functions of dispersion, energy selection, beam splitting and the like, and plays a key role in scientific engineering such as laser driving inertial confinement fusion, X-ray astronomy, synchronous radiation, free electron laser and the like. In the hard X-ray energy section, the crystal is widely applied to dispersion regulation and spectroscopy measurement, has the advantage of high energy spectrum resolution, but is limited by the width of the diffraction Darwin of the crystal, in a specific light path structure, a specific area on the surface of the crystal only responds to narrow-band X-rays, and when the crystal is applied to wide-spectrum X-ray energy spectrum measurement, the area of the crystal needs to be increased to cover the diffraction angle corresponding to the wide-spectrum X-rays. Disclosure of Invention The invention aims to overcome the defects of the prior art and provides an X-ray composite prism. The invention aims at realizing the technical scheme that the X-ray composite prism comprises a support substrate, wherein a plurality of prisms are arranged on the support substrate, and the heights of the prisms are sequentially increased from front to back; Let the longest wavelength of incident X-ray Wavelength of (wavelength of)X-rays of (2) at the firstReal part of refractive index of each prismThen (1)Upper surface ratio of prismThe upper surface of each prism is highThe method meets the following conditions: ; Wherein, the Is the firstThe width of each prism in the X-ray transmission direction,In the first place for X-rayA prism side incident angle; First, the Width of each prism in X-ray transmission directionThe method meets the following conditions: ; Wherein, the To be incident on the firstThe width of the X-ray beam at the side of the prism in the direction of dispersion,Is the angle of incidence. Preferably, the prisms are cubes or cuboids. Preferably, the prisms are closely or spaced. Preferably, the prism is made of one of silicon, diamond, silicon nitride, aluminum oxide, germanium and SU-8 photoresist. The X-ray energy spectrum measuring device has the advantages that the plurality of prisms are arranged on the supporting substrate, the heights of the prisms are sequentially increased from front to back, the height difference of the adjacent prisms is limited, the X-ray energy spectrum is measured through multiple refraction, the structure is light, the dispersion efficiency is high, and the wide energy spectrum measurement can be realized. Drawings FIG. 1 is a schematic view of an X-ray compound prism; FIG. 2 is a schematic illustration of the refraction of the 1 st prism; FIG. 3 is a schematic representation of the overall refraction comprising m prisms; FIG. 4 is the first embodiment Prisms and the firstSchematic representation of the refraction of individual prisms; FIG. 5 is the first Schematic representation of refraction of the upper surface of each prism; FIG. 6 is a schematic illustration of an X-ray compound prism height difference; fig. 7 is a graph showing the refractive dispersion results of X-rays on a detector 1m away from the incident position. Detailed Description For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without collision. It should be noted that like reference numerals and