CN112666196A - Ray integration device - Google Patents
Ray integration device Download PDFInfo
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- CN112666196A CN112666196A CN201910981943.XA CN201910981943A CN112666196A CN 112666196 A CN112666196 A CN 112666196A CN 201910981943 A CN201910981943 A CN 201910981943A CN 112666196 A CN112666196 A CN 112666196A
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- collimating
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- 230000010354 integration Effects 0.000 title claims abstract description 20
- 230000003287 optical effect Effects 0.000 claims description 18
- 230000005855 radiation Effects 0.000 claims description 18
- 238000004378 air conditioning Methods 0.000 claims description 6
- 239000010408 film Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Abstract
The invention discloses a ray integration device. The ray integrating device is positioned on an emergent light path of the X ray and is used for integrating the X ray emitted by the X ray source; the ray integration device comprises: the X-ray source comprises N X-ray focusing lenses, N collimating lenses and a collimator, wherein the N X-ray focusing lenses, the N collimating lenses and the collimator are sequentially arranged along an emergent light path of the X-ray source; n is a positive integer; the N X-ray focusing lenses, the N collimating lenses and the collimator are coaxially arranged; the N X-ray focusing lenses and the N collimating lenses are arranged at intervals; each X-ray focusing mirror is used for focusing the X-rays; each collimating lens is used for converting the focused X-rays into parallel light; the collimator is used to collimate the X-rays. The ray integrating device can meet the requirement of thin X-ray beam size.
Description
Technical Field
The invention relates to the field of X-ray diffraction analysis, in particular to a ray integration device.
Background
Laboratory, factory level X-ray diffraction analysis occasionally has special requirements on the size of the X-ray beam. The X-ray beam emitted by the X-ray source is generally thick and cannot meet the requirements of a thin beam.
Disclosure of Invention
The invention aims to provide a ray integrating device which meets the requirement of thinner X-ray beam size.
In order to achieve the purpose, the invention provides the following scheme:
a ray integration device is positioned on an emergent light path of an X ray and is used for integrating the X ray emitted by an X ray source; the ray integration device comprises: the X-ray source comprises N X-ray focusing lenses, N collimating lenses and a collimator, wherein the N X-ray focusing lenses, the N collimating lenses and the collimator are sequentially arranged along an emergent light path of the X-ray source; n is a positive integer;
the N X-ray focusing lenses, the N collimating lenses and the collimator are coaxially arranged; the N X-ray focusing lenses and the N collimating lenses are arranged at intervals;
each X-ray focusing mirror is used for focusing X-rays; each collimating lens is used for converting the focused X-rays into parallel light; the collimator is used for collimating X-rays.
Optionally, the collimator, the N X-ray focusing lenses, and the N collimating lenses are all disposed in a radiation shield.
Optionally, an air conditioning device is arranged in the ray protection cover; the air conditioning device is used for adjusting the air temperature in the ray protection cover.
Optionally, the N X-ray focusing lenses are Montel type multilayer film focusing lenses.
Optionally, the collimating lens is an X-ray capillary optical lens.
Optionally, an optical hole is formed in a position on the side wall of the radiation shield, through which the optical axis passes, and the optical hole is used for allowing an X-ray beam to pass.
Optionally, the radiation shield is made of a lead plate.
Optionally, the collimator is a mechanical collimator.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the ray integrating device disclosed by the invention can reduce the beam size of the X-ray and meet the requirement of thinner beam size of the X-ray by continuously focusing and collimating the X-ray emitted by the X-ray source.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic diagram of an embodiment of a radiation integration apparatus;
fig. 2 is a schematic diagram of an X-ray capillary optical lens.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
FIG. 1 is a schematic diagram of an embodiment of a radiation integration apparatus according to the present invention.
Referring to fig. 1, the ray integrating device is located on an emitting optical path of the X-ray and is used for integrating the X-ray emitted from the X-ray source. The ray integration device can integrate millimeter-sized X-ray beams into micron-sized X-ray focal spots.
The ray integration device comprises: the X-ray source comprises N X-ray focusing lenses 1, N collimating lenses 2 and a collimator 3, wherein the N X-ray focusing lenses 1, the N collimating lenses 2 and the collimator 3 are sequentially arranged along an emergent light path of the X-ray source, and the collimating lenses 2 are respectively positioned at focusing focal positions of the N X-ray focusing lenses 1; n is a positive integer.
The N X-ray focusing mirrors 1, the N collimating lenses 2 and the collimator 3 are coaxially arranged; the N X-ray focusing lenses 1 and the N collimating lenses 2 are arranged at intervals.
Each X-ray focusing mirror 1 is used for focusing X-rays; each collimating lens 2 is used for converting the focused X-ray into parallel light; the collimator 3 is used for collimating X-rays.
The collimator 3, the N X-ray focusing lenses 1 and the N collimating lenses 2 are all arranged in a ray protection cover 4.
An air conditioning device 5 is arranged in the ray protection cover 4; the air conditioning device 5 serves to regulate the air temperature in the radiation protection hood 4.
The N X-ray focusing lenses 1 are Montel type multilayer film focusing lenses. The Montel type multilayer film focusing lens can integrate an X-ray incident beam into a focal spot which is more than ten times thinner than the X-ray incident beam.
The Montel type multilayer film focusing lens is an X-ray optical device based on thin film technology produced by Incoatec corporation, germany. The Montel type multilayer film focusing lens is characterized by that on the lens base with high-quality optical surface a coating layer with multilayer film structure is deposited by means of coating technology. Based on Bragg's law, the X-rays passing through Montel type multilayer film focusing lens are collected in a certain solid angle range. The incident light beam varies with position on the lens and thus the incident angle is different, and the thickness of the corresponding lens is different. The Montel type multilayer film focusing lens adopts an L-shaped distribution mode of two multilayer film lenses arranged side by side. The two elliptic lenses form an L-shaped distribution, so that optical focusing can be realized.
The collimating lens 2 is an X-ray capillary optical lens.
Fig. 2 is a schematic diagram of an X-ray capillary optical lens.
Referring to fig. 2, the operation principle of the X-ray capillary optical lens is based on the total reflection principle of X-rays. The focal spot is collimated by an X-ray capillary optical lens to form a high-brightness X-ray parallel beam. Although the parallelism of the X-ray capillary optical lens needs to be adjusted by increasing the diameter of the light beam, the increase degree is far less than the focusing degree of the Montel type multilayer film focusing lens, so that the increase degree can be ignored.
Each X-ray focusing mirror 1 achieves primary focusing. The size of the collimating lens 2 behind each stage of the X-ray focusing lens 1 is selected according to the size and the divergence angle of the focused light spot. Each stage of X-ray focusing lens 1 is selected according to the thickness degree of incident light and the requirement of focusing multiple.
And an unthreaded hole is formed in the position, through which the optical axis passes, of the side wall of the ray protection cover 4, and the unthreaded hole is used for allowing an X-ray beam to pass. The light hole in the incident direction of the first-stage X-ray focusing mirror 1 is used for transmitting the light beam emitted by the X-ray source. The light hole in the exit direction of the collimator 3 is used for transmitting the integrated light beam. Therefore, the size of the aperture in the incident direction of the first-stage X-ray focusing mirror 1 is much larger than that in the emergent direction of the collimator 3.
The radiation shield 4 is made of a lead plate. The ray protection cover 4 plays a protection role and is used for isolating X rays and preventing the X rays from being emitted.
The collimator 3 is a mechanical collimator.
The working principle of the ray integrating device is as follows:
the light beam emitted by the X-ray source enters the first-stage X-ray focusing lens after passing through the light hole in the incident direction of the first-stage X-ray focusing lens, and the light beam is changed into a light spot and converged at the focus of the first-stage X-ray focusing lens after being focused by the first-stage X-ray focusing lens. The collimating lens at the focus of the first-stage X-ray focusing lens converts light spots at the focus into parallel light and emits the parallel light into the first-stage X-ray focusing lens, the collimating lens at the focus of the second-stage X-ray focusing lens converts the light spots at the focus into the parallel light and emits the parallel light into the third-stage X-ray focusing lens … … until the collimating lens at the focus of the Nth-stage X-ray focusing lens converts the light spots at the focus into the parallel light and emits the parallel light into the collimator, and the collimator further collimates and emits the parallel light to obtain an integrated light beam.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the ray integrating device disclosed by the invention can reduce the beam size of the X-ray and meet the requirement of thinner beam size of the X-ray by continuously focusing and collimating the X-ray emitted by the X-ray source. Meanwhile, the focused light spots are adjusted into parallel light by utilizing the total reflection principle, so that the attenuation of the light beam energy is greatly reduced.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. A ray integration device is characterized in that the ray integration device is positioned on an emergent light path of an X ray and is used for integrating the X ray emitted by an X ray source; the ray integration device comprises: the X-ray source comprises N X-ray focusing lenses, N collimating lenses and a collimator, wherein the N X-ray focusing lenses, the N collimating lenses and the collimator are sequentially arranged along an emergent light path of the X-ray source; n is a positive integer;
the N X-ray focusing lenses, the N collimating lenses and the collimator are coaxially arranged; the N X-ray focusing lenses and the N collimating lenses are arranged at intervals;
each X-ray focusing mirror is used for focusing X-rays; each collimating lens is used for converting the focused X-rays into parallel light; the collimator is used for collimating X-rays.
2. The radiation integration apparatus of claim 1, wherein said collimator, said N X-ray focusing mirrors, and said N collimating lenses are disposed within a radiation shield.
3. The radiation integration apparatus of claim 2, wherein an air conditioning device is disposed within the radiation shield; the air conditioning device is used for adjusting the air temperature in the ray protection cover.
4. The radiation integrating device of claim 1, wherein the N X-ray focusing mirrors are Montel type multilayer film focusing mirrors.
5. The radiation integration device of claim 1, wherein the collimating lens is an X-ray capillary optic lens.
6. The radiation integration device of claim 2, wherein an optical aperture is formed in a side wall of the radiation shield at a position where the optical axis passes through, and the optical aperture is used for passing through the X-ray beam.
7. A radiation integration apparatus as recited in claim 2, wherein said radiation shield is fabricated from a sheet of lead.
8. A radiation integration apparatus as recited in claim 1, wherein the collimator is a mechanical collimator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910981943.XA CN112666196A (en) | 2019-10-16 | 2019-10-16 | Ray integration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910981943.XA CN112666196A (en) | 2019-10-16 | 2019-10-16 | Ray integration device |
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|---|---|
| CN112666196A true CN112666196A (en) | 2021-04-16 |
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| CN201910981943.XA Pending CN112666196A (en) | 2019-10-16 | 2019-10-16 | Ray integration device |
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2019
- 2019-10-16 CN CN201910981943.XA patent/CN112666196A/en active Pending
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