CN209525467U - A kind of neutral particle analysis system having both quality and energy resolution - Google Patents
A kind of neutral particle analysis system having both quality and energy resolution Download PDFInfo
- Publication number
- CN209525467U CN209525467U CN201822188020.2U CN201822188020U CN209525467U CN 209525467 U CN209525467 U CN 209525467U CN 201822188020 U CN201822188020 U CN 201822188020U CN 209525467 U CN209525467 U CN 209525467U
- Authority
- CN
- China
- Prior art keywords
- energy resolution
- quality
- neutral particle
- main vacuum
- vacuum chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The utility model belongs to high-temperature plasma diagnostic field, more particularly to a kind of neutral particle analysis system for having both quality and energy resolution, including removing chamber, analysis module and detector array, it removes chamber and uses gas stripping, analysis module uses magnetic field analysis, and detector array is using the semiconductor detector for having energy resolution；Detector array is fixed on main vacuum wall, is distributed in different path of deflection, and detector entrance aperture is directed at analysis magnet slit；The magnet is fixed on main vacuum chamber's wall, and two magnetic poles of magnet are planar structure, between there are fine crack, guarantee the intensity in magnetic field enough and pass through ion；Box body is fixed on main vacuum chamber's wall.Momentum analysis is carried out by magnetic field, energy spectrometer is carried out by pulse amplitude analysis, the size for reducing analysis module using electrostatic deflection system is not needed, reduces system complexity.
Description
Technical field
The utility model belongs to high-temperature plasma diagnostic field, and in particular to one kind has both quality and energy resolution
Neutral particle analysis system.
Background technique
In magnetic confinement fusion high-temperature plasma, the resonant charge between ion and neutral particle (such as H atom) is handed over
The neutral particle that reaction generates is changed, energy identical with reactive ion is almost possessed.Neutral particle neutral, flight path
It is unaffected by the magnetic field, there is certain probability to escape from plasma before collision next time.Detect the reaction generation, from
The neutral particle escaped out inside plasma can analyze ion and neutral-particle density information inside plasma.Specially
Door measures the diagnostic tool of this neutral particle power spectrum, referred to as neutral particle analysis device (NPA).
In magnetic confinement fusion plasma research field, NPA is energetic ion physical analysis, ion temperature measurement, neutrality
The key diagnostic tool of particle density measurement, fusion reactor fuel density ratio (T/D) measurement.In the design of traditional NPA, in order to realize
Energy spectrometer generally deflects ion with strong electrostatic field；In order to realize quality and energy spectrometer simultaneously, generally combined with high-intensity magnetic field
Strong electrostatic field deflects ion, and probe portion places electron multiplier progress count measurement generally on different deflection tracks.
Utility model content
The purpose of this utility model is in view of the foregoing defects the prior art has, to provide one kind and have both quality and energy point
It distinguishes the neutral particle analysis system of ability, high-temperature plasma neutral particle can be diagnosed, and have both quality and energy point
Distinguish ability.
The technical solution of the utility model is as follows:
A kind of neutral particle analysis system having both quality and energy resolution, including removing chamber, analysis module and spy
Device array is surveyed, removing chamber uses gas stripping, and analysis module uses magnetic field analysis, and detector array, which uses, energy resolution
Semiconductor detector；
Detector array is fixed on main vacuum wall, is distributed in different path of deflection, the alignment point of detector entrance aperture
Analyse magnet slit；
The magnet is fixed on main vacuum chamber's wall, and two magnetic poles of magnet are planar structure, between there are fine crack, guarantee
The intensity in magnetic field is enough and passes through ion；
Box body is fixed on 7 wall of main vacuum chamber；
Main vacuum chamber is connected by straight tube with fusion facility vacuum chamber, and main vacuum chamber's lower opening is connected with extract system,
First collimation partition and the second collimation partition are fixed on main vacuum chamber's wall, and the first collimation partition is located at device connection straight tube and stripping
From between chamber, the second collimation partition is located between removing chamber and magnet.
A kind of neutral particle analysis system having both quality and energy resolution, the signal of detector pass through pulse height
Energy resolution and number statistics are realized in analysis, combine the energy resolution of detector by the momentum analysis in magnetic field, while realizing matter
Amount and energy resolution.
A kind of neutral particle analysis system having both quality and energy resolution, the removing chamber includes box body and two
Straight tube, two straight tubes are welded respectively on box body front-back, the central axes of two straight tubes and the connection of main vacuum chamber's fusion facility
Pipeline central axes are overlapped.
A kind of neutral particle analysis system having both quality and energy resolution, the box body are hollow cavity, preferably
Using 304 stainless steel materials.
A kind of neutral particle analysis system having both quality and energy resolution, the analysis module includes magnet, is adopted
With electromagnet or permanent magnet.
A kind of neutral particle analysis system having both quality and energy resolution, the detector array preferably use half
Conductor detector.
A kind of neutral particle analysis system having both quality and energy resolution, the main vacuum chamber preferably use 304
Stainless steel material.
A kind of neutral particle analysis system having both quality and energy resolution, first collimation partition and second collimation every
Plate outputs the aperture that diameter is 2mm or so on device connection straight tube central axes.
The utility model has the beneficial effects that:
The neutral particle analysis system for being used to measure fusionplasma neutral particle quality and energy of the utility model,
Relative to the method that traditional neutral particle analyzer uses the analysis of electrostatic field combined magnetic field, being combined using magnetic field has spectral measurement
The semiconductor detector of ability.
Momentum analysis is carried out by magnetic field, energy spectrometer is carried out by pulse amplitude analysis, is not needed using electrostatic deflection
System reduces the size of analysis module, reduces system complexity.
In general, the main neutral particle ingredient in fusionplasma is H, D, T and He.Analysis magnet makes momentum phase
Deng particle inflection point having the same, collected by the same detector.
In the case where equal momentum, the ratio between energy of H, D, T and He is 12:6:4:3.
For difference energy big in this way, pulse amplitude analysis method can be differentiated.
Detailed description of the invention
Fig. 1 is the neutral particle analysis system that the utility model is used to measure fusionplasma neutral particle energy and momentum
System schematic diagram；
1- first collimates partition；2- box body；3- straight tube；4- second collimates partition；5- magnet；6- detector array；7- master
Vacuum chamber；8- shielding construction.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further detail the utility model.
The neutral particle analysis system for being used to measure fusionplasma neutral particle quality and momentum of the utility model,
Main function component includes: removing chamber, analysis module and detector array 6.It removes chamber and uses gas stripping, analysis module is adopted
With magnetic field analysis, detector array 6 is using the semiconductor detector for having energy resolution.
Detector array 6 is fixed on main 7 wall of vacuum, is distributed in different path of deflection, the alignment of detector entrance aperture
Analysis magnet slit.
The magnet 5 is fixed on 7 wall of main vacuum chamber's device.5 two magnetic poles of magnet are planar structure, between there are fine crack, protect
It demonstrate,proves the intensity in magnetic field enough and passes through ion.
Main vacuum chamber 7 is connected by straight tube with fusion facility vacuum chamber.7 lower opening of main vacuum chamber and extract system phase
Even.
First collimation partition 1 and the second collimation partition 4 are fixed on main vacuum chamber's wall, and the first collimation partition 1 is located at device
It connects between straight tube 3 and removing chamber, the second collimation partition 4 is located between removing chamber and magnet 5.
The signal of detector realizes that energy resolution and number count by pulse height analyze.It is analyzed by the momentum in magnetic field
In conjunction with the energy resolution of detector, while realizing quality and energy resolution.
The removing chamber includes box body 2 and two straight tubes 3, and two straight tubes 3 are welded respectively on 2 front-back of box body, and two
The central axes of straight tube 3 are overlapped with the connecting pipe central axes of 7 fusion facility of main vacuum chamber.
Box body 2 is fixed on 7 wall of main vacuum chamber.
The box body 2 is hollow cavity, it is preferred to use 304 stainless steel materials.
The analysis module includes magnet 5, using electromagnet or permanent magnet.
The detector array 6 preferably uses semiconductor detector.
The main vacuum chamber 7 preferably uses 304 stainless steel materials.
First collimation partition 1 connects in device with the second collimation partition 4 and outputs diameter on straight tube central axes as 2mm or so
Aperture.
Claims (8)
1. a kind of neutral particle analysis system for having both quality and energy resolution, including removing chamber, analysis module and detection
Device array, removing chamber use gas stripping, and analysis module uses magnetic field analysis, and detector array, which uses, energy resolution
Semiconductor detector；
It is characterized by: detector array is fixed on main vacuum wall, it is distributed in different path of deflection, detector entrance aperture
It is directed at analysis magnet slit；
The magnet is fixed on main vacuum chamber's wall, and two magnetic poles of magnet are planar structure, between there are fine crack, guarantee magnetic field
Intensity enough and pass through ion；
Box body is fixed on main vacuum chamber's wall；
Main vacuum chamber is connected by straight tube with fusion facility vacuum chamber, and main vacuum chamber's lower opening is connected with extract system, and first
Collimation partition and the second collimation partition are fixed on main vacuum chamber's wall, and the first collimation partition is located at device connection straight tube and removing chamber
Between, the second collimation partition is located between removing chamber and magnet.
2. a kind of neutral particle analysis system for having both quality and energy resolution as described in claim 1, feature exist
In: the signal of detector realizes that energy resolution and number count by pulse height analyze, is analyzed and is combined by the momentum in magnetic field
The energy resolution of detector, while realizing quality and energy resolution.
3. a kind of neutral particle analysis system for having both quality and energy resolution as described in claim 1, feature exist
In: the removing chamber includes box body and two straight tubes, and two straight tubes are welded respectively on box body front-back, the axis of two straight tubes
Line is overlapped with the connecting pipe central axes of main vacuum chamber's fusion facility.
4. a kind of neutral particle analysis system for having both quality and energy resolution as described in claim 1, feature exist
In: the box body is hollow cavity, using 304 stainless steel materials.
5. a kind of neutral particle analysis system for having both quality and energy resolution as described in claim 1, feature exist
In: the analysis module includes magnet, using electromagnet or permanent magnet.
6. a kind of neutral particle analysis system for having both quality and energy resolution as described in claim 1, feature exist
In: the detector array uses semiconductor detector.
7. a kind of neutral particle analysis system for having both quality and energy resolution as described in claim 1, feature exist
In: the main vacuum chamber uses 304 stainless steel materials.
8. a kind of neutral particle analysis system for having both quality and energy resolution as described in claim 1, feature exist
In: the first collimation partition and the second collimation partition output the aperture that diameter is 2mm or so on device connection straight tube central axes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822188020.2U CN209525467U (en) | 2018-12-25 | 2018-12-25 | A kind of neutral particle analysis system having both quality and energy resolution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822188020.2U CN209525467U (en) | 2018-12-25 | 2018-12-25 | A kind of neutral particle analysis system having both quality and energy resolution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209525467U true CN209525467U (en) | 2019-10-22 |
Family
ID=68227733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822188020.2U Active CN209525467U (en) | 2018-12-25 | 2018-12-25 | A kind of neutral particle analysis system having both quality and energy resolution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209525467U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366970A (en) * | 2018-12-25 | 2020-07-03 | 核工业西南物理研究院 | Neutral particle analysis system with mass and energy resolution capability |
| CN111965689A (en) * | 2020-08-12 | 2020-11-20 | 中国科学院国家空间科学中心 | Measuring device for neutral atom analysis |
-
2018
- 2018-12-25 CN CN201822188020.2U patent/CN209525467U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366970A (en) * | 2018-12-25 | 2020-07-03 | 核工业西南物理研究院 | Neutral particle analysis system with mass and energy resolution capability |
| CN111965689A (en) * | 2020-08-12 | 2020-11-20 | 中国科学院国家空间科学中心 | Measuring device for neutral atom analysis |
| CN111965689B (en) * | 2020-08-12 | 2021-04-09 | 中国科学院国家空间科学中心 | Measuring device for neutral atom analysis |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Suzuki et al. | Prototype AT-TPC: Toward a new generation active target time projection chamber for radioactive beam experiments | |
| US7138626B1 (en) | Method and device for non-contact sampling and detection | |
| CN209525467U (en) | A kind of neutral particle analysis system having both quality and energy resolution | |
| CA2269385C (en) | Simultaneous detection isotopic ratio mass spectrometer | |
| WO2008054393A1 (en) | Method and device for non-contact sampling and detection | |
| CN102854240A (en) | Ion trap mass spectrometer for organic aerosol ionized by vacuum ultraviolet light | |
| Varga et al. | A spherical mirror-double cylindrical mirror electron spectrometer for simultaneous energy and angular distribution measurements: design, construction and experiences | |
| CN107808817B (en) | Time-of-flight mass spectrometer for space micro-debris and micrometeroroid component detection | |
| Gerbier et al. | NEWS: a new spherical gas detector for very low mass WIMP detection | |
| Gruntman et al. | H atom detection and energy analysis by use of thin foils and TOF technique | |
| CN111366970A (en) | Neutral particle analysis system with mass and energy resolution capability | |
| CN101599407B (en) | Array type microfaraday cage | |
| Abrosimov et al. | Development and experimental study of the neutron beam at the synchrocyclotron of the Petersburg Nuclear Physics Institute for radiation tests of electronic components | |
| Younkin et al. | Description of the prototype diagnostic residual gas analyzer for ITER | |
| Pierroutsakou et al. | Light radioactive nuclear beams at LNL | |
| CN106298428A (en) | Microwave Induced Plasma ionic migration spectrometer | |
| CN103123325A (en) | High-resolution electron energy loss spectrometer for energy and momentum two-dimensional analyses | |
| CN206022308U (en) | Microwave Induced Plasma ionic migration spectrometer | |
| Hamada | Density, potential and magnetic turbulence measurements by a heavy ion beam probe in tokamak plasmas | |
| CN109668818B (en) | Cell analysis device and method based on laser ablation | |
| CN101191785A (en) | Molecule photodissolved fragment translational energy spectrometer | |
| Borne et al. | Design and Performance of a Magnetic Bottle Electron Spectrometer for High-Energy Photoelectron Spectroscopy | |
| CN207676876U (en) | A kind of mass spectrograph that ion trap ionizes again | |
| Yin Vallgren et al. | New Electron Cloud Detectors for the CERN Proton Synchrotron | |
| D'Ago | R&D for high-momentum hadron identification: from COMPASS RICH towards particle identification at the future Electron Ion Collider |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |