CN106908831A - Particle track detection device based on micro structure array - Google Patents
Particle track detection device based on micro structure array Download PDFInfo
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- CN106908831A CN106908831A CN201710193431.8A CN201710193431A CN106908831A CN 106908831 A CN106908831 A CN 106908831A CN 201710193431 A CN201710193431 A CN 201710193431A CN 106908831 A CN106908831 A CN 106908831A
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- China
- Prior art keywords
- detection device
- micro
- structure array
- passage
- scintillation light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T5/00—Recording of movements or tracks of particles; Processing or analysis of such tracks
- G01T5/08—Scintillation chambers
Abstract
Present disclose provides a kind of particle track detection device based on micro structure array, the device includes：Scintillator, passage of scintillation light is produced for being moved in the scintillator based on particle；Micro structure array, for modulating the passage of scintillation light, and by modulation after the optical detection device of flicker light directing one；The optical detection device, for receiving the passage of scintillation light after modulation；Particle track probe unit, the passage of scintillation light for being received based on the optical detection device calculates the position for producing the passage of scintillation light, and calculates particle track according to the position of the generation passage of scintillation light.The disclosure realizes the identification of particle track, reduces difficulty of processing, and then also reduce processing cost.
Description
Technical field
This disclosure relates to particle track detection and optical field, more particularly to a kind of particle track based on micro structure array
Detection device.
Background technology
Particle detection and to extract its fundamental property be a kind of main path and means that the mankind go deep into microcosmos, by right
The identification of particle track can obtain the information such as intensity, energy, position, the direction of particle.
At present, traditional linear array, area array detector cannot realize depth resolution, therefore cannot realize particle track
Identification.Using volume array type detector, such as interlayer moves towards scintillator arrays interlaced with each other, can realize to a certain extent
The identification of particle track, but because interlayer moves towards inconsistent, make the structure of volume array more complicated.
From the foregoing, it will be observed that traditional linear array, area array detector cannot realize the identification of particle track.Although using body battle array
Row type detector can to a certain extent realize the identification of particle track, but because the structure of volume array is more complicated, with
Cause difficulty of processing big, high processing costs.
It should be noted that information disclosed in above-mentioned background section is only used for strengthening the reason of background of this disclosure
Solution, therefore can include not constituting the information to prior art known to persons of ordinary skill in the art.
The content of the invention
The purpose of the disclosure is to provide a kind of particle track detection device based on micro structure array, and then at least one
Determine to overcome in degree due to one or more problem caused by the limitation of correlation technique and defect.
According to an aspect of this disclosure, there is provided a kind of particle track detection device based on micro structure array, including：
Scintillator, passage of scintillation light is produced for being moved in the scintillator based on particle；
Micro structure array, for modulating the passage of scintillation light, and by modulation after the optical detection device of flicker light directing one；
The optical detection device, for receiving the passage of scintillation light after modulation；
Particle track probe unit, the passage of scintillation light for being received based on the optical detection device calculates generation institute
The position of passage of scintillation light is stated, and particle track is calculated according to the position of the generation passage of scintillation light.
In a kind of exemplary embodiment of the disclosure, the micro structure array is made up of multiple micro-structurals, wherein, it is described
Multiple micro-structurals form linear array or face array.
In a kind of exemplary embodiment of the disclosure, the micro structure array is covered in whole or the portion of the scintillator
Divide surface.
In a kind of exemplary embodiment of the disclosure, the micro structure array is processed by scintillator surface, scintillator
The micro-structural is made as independent device and any one of couple mode by couplant by surface coating
It is made.
In a kind of exemplary embodiment of the disclosure, the micro structure array uses lens array, prism array or light
Learn modulation micro-structural in any one.
In a kind of exemplary embodiment of the disclosure, the micro structure array and the optical detection device are combining closely
Or leave the mode in gap and couple.
In a kind of exemplary embodiment of the disclosure, also include between the micro structure array and the optical detection device
One couplant.
In a kind of exemplary embodiment of the disclosure, the species of the couplant is at least one kind, wherein, the coupling
Closing medium can be penetrated by the passage of scintillation light or a part of passage of scintillation light.
In a kind of exemplary embodiment of the disclosure, the micro structure array and the scintillator are combining closely or stay
The mode for having gap is coupled.
In a kind of exemplary embodiment of the disclosure, the micro structure array passes through one or more with the scintillator
Medium couples.
The particle track detection device based on micro structure array that a kind of exemplary embodiment of the disclosure is provided, using micro- knot
Optical detection device is oriented to after the flicker light modulation that structure array produces Particles Moving in scintillator, and is received based on optical detection device
To passage of scintillation light calculate the position that produces passage of scintillation light, and then calculate particle track.On the one hand, realized by said apparatus
The identification of particle track.On the other hand, using micro structure array, difficulty of processing is reduced, further, also reduces and be processed into
This.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
The disclosure can be limited.
Brief description of the drawings
Describe its example embodiment in detail by referring to accompanying drawing, above and other feature and advantage of the disclosure will become
It is more obvious.It should be evident that drawings in the following description are only some embodiments of the present disclosure, for the common skill in this area
For art personnel, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.In accompanying drawing
In：
Fig. 1 is a kind of block diagram of the particle track detection device based on micro structure array of the disclosure.
Fig. 2 is a kind of schematic diagram of the particle track detection device based on micro structure array of the disclosure.
Specific embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be real in a variety of forms
Apply, and be not understood as limited to embodiment set forth herein；Conversely, thesing embodiments are provided so that the disclosure will be comprehensively and complete
It is whole, and the design of example embodiment is comprehensively conveyed into those skilled in the art.Described feature, structure or characteristic can
To combine in one or more embodiments in any suitable manner.In the following description, there is provided many details from
And provide fully understanding for embodiment of this disclosure.It will be appreciated, however, by one skilled in the art that the disclosure can be put into practice
Technical scheme without the specific detail in it is one or more, or other methods, constituent element, material, dress can be used
Put, step etc..In other cases, it is not shown in detail or describes known solution to avoid each side of the fuzzy disclosure.
Additionally, accompanying drawing is only the schematic illustrations of the disclosure, not necessarily it is drawn to scale.Identical accompanying drawing in figure
The same or analogous part of mark mark, thus repetition thereof will be omitted.
In this example embodiment, there is provided a kind of particle track detection device based on micro structure array.Reference picture 1, Fig. 2
Shown, the particle track detection device 100 that should be based on micro structure array can include：Scintillator 101, micro structure array 102, institute
State optical detection device 103, particle track probe unit 104.Wherein：
Scintillator 101 can be used for moving generation passage of scintillation light 106 in the scintillator 101 based on particle.
Micro structure array 102 can be used for modulating the passage of scintillation light 106, and by modulation after the passage of scintillation light 106 be oriented to
One optical detection device 103.
The optical detection device 103 can be used for receiving the passage of scintillation light 106 after modulation.
Particle track probe unit 104 can be used for the passage of scintillation light 106 received based on the optical detection device 103
The position for producing the passage of scintillation light 106 is calculated, and particle track 107 is calculated according to the position of the generation passage of scintillation light 106.
The particle track detection device based on micro structure array that this example embodiment is provided, on the one hand, by above-mentioned dress
Put the identification for realizing particle track.On the other hand, using micro structure array, difficulty of processing is reduced, further, is also reduced
Processing cost.
Next, with reference to Fig. 1, Fig. 2 to the particle track detection device based on micro structure array in this example embodiment
Each several part be described in detail.
Scintillator 101 can be used for moving generation passage of scintillation light 106 in the scintillator 101 based on particle.
In the present example embodiment, the scintillator 101 is that can be lighted after a class absorbs high energy particle or ray
Material.The scintillator 101 can be continuous scintillator, it is also possible to be formed by multiple scintillators stacking, this exemplary implementation
Example does not do particular determination to this.The material of the scintillator 101 can be crystal (such as BGO, LSO, LYSO, CsI), it is also possible to
It is organic material (such as plastics).The form of the scintillator 101 can be liquid, or person other forms.The flicker
The shape of body 101 can be cube, or other shapes, and the shape of scintillator can be determined according to specific application scenarios
Shape.The particle is that the charged particle or neutral particle that produce passage of scintillation light 106 can be moved in scintillator 101, for example, electronics,
Proton, ion, photon, neutron etc..
Micro structure array 102 can be used for modulating the passage of scintillation light 106, and by modulation after the passage of scintillation light 106 be oriented to
Optical detection device 103.
In the present example embodiment, the above-mentioned modulation passage of scintillation light 106 refers to be focused passage of scintillation light 106.Specifically
For, be focused for the passage of scintillation light 106 that particle moves generation in scintillator 101 by micro structure array 102, and by after focusing
Passage of scintillation light 106 is oriented to an optical detection device 103.By using micro structure array 102, difficulty of processing is reduced, further,
Reduce processing cost.
Further, the micro structure array 102 can be made up of multiple micro structure arrays, wherein, the multiple micro- knot
Structure array forms linear array or face array.Further, the micro structure array 102 is covered in the whole of the scintillator 101
Or part surface.
Further, the micro structure array 102 can be made in the following manner：First, can be in the table of scintillator 101
Face is processed and obtains micro structure array 102.2nd, micro structure array 102 can be formed by the surface coating of scintillator 101.
3rd, micro-structural first can be fabricated to independent device, multiple independent devices is then passed through into couplant (such as optics
Glue) couple and obtain micro structure array 102.
Further, the micro structure array 102 can be using in lens array, prism array or optical modulation micro-structural
Any one.For example, the micro structure array 102 can use lens array, when passage of scintillation light 106 passes through lens array,
Lens array is focused to passage of scintillation light 106, and the passage of scintillation light 106 after focusing is oriented into optical detection device 103.
Further, the micro structure array 102 can be coupled in the following manner with the scintillator 101：First,
The micro structure array 102 can be coupled with the scintillator 101 in the way of combining closely or leaving gap, specifically,
The micro structure array 102 can closely be combined together with the scintillator 101, it is also possible in the micro structure array
Certain gap is left between 102 and the scintillator 101.2nd, the micro structure array 102 and the scintillator 101 can be with
By one or more medium couples.Specifically, the micro structure array 102 can be by one kind with the scintillator 101
Medium is coupled, it is also possible to coupled by various different media.
The optical detection device 103 can be used for receiving the passage of scintillation light 106 after modulation.
In the present example embodiment, the optical detection device 103 can be optical-electrical converter (such as photomultiplier,
Silicon photomultiplier, CCD, EMCCD etc.), or other there is the optical detection device, or bag of position resolution
The detection system of optical detection device is included, the present exemplary embodiment does not do particular determination to this.
Further, the micro structure array 102 can in the following manner carry out coupling with the optical detection device 103
Close：First, the micro structure array 102 can be coupled with the optical detection device 103 in the way of combining closely or leaving gap.
Specifically, the micro structure array 102 can closely be combined together with the optical detection device 103, it is also possible in institute
State and certain gap is left between micro structure array 102 and the optical detection device 103.2nd, the micro structure array 102 and institute
State and can also include a couplant 105 between optical detection device 103.The species of the couplant 105 is at least one kind, its
In, the couplant 105 can be penetrated by the passage of scintillation light 106 or a part of passage of scintillation light 106.Specifically, it is described
Can be coupled by a couplant 105 between micro structure array 102 and the optical detection device 103.Further, institute
The species for stating couplant 105 can be one kind, or two or more.It should be noted that no matter using several couplings
Medium 105 is coupled, it is necessary to passage of scintillation light 106 can be allowed all to penetrate couplant 105 or allow a part of passage of scintillation light 106 to wear
Saturating couplant 105.Shown in reference picture 2, optical detection device 103 carries out coupling with micro structure array 102 by couplant 105
Close.
In a further exemplary embodiment, scintillator 101, micro structure array 102, couplant 105 and optical detection unit
The size of part 103 can be according to the into optimal thing of particle track depth, micro structure array and optical detection device with position relationship
As relation is designed.Due to effect of depth, so strict image relation is difficult to set up completely, therefore can also be according to reality
Detecting location reference substance is designed as relation.Further, scintillator 101, micro structure array 102, couplant 105 and
The area coverage of optical detection device 103 can be designed according to the collection mode of passage of scintillation light 106.
Particle track probe unit 104 can be used for the passage of scintillation light 106 received based on the optical detection device 103
The position for producing the passage of scintillation light 106 is calculated, and particle track 107 is calculated according to the position of the generation passage of scintillation light 106.
In the present example embodiment, first, the passage of scintillation light that particle track probe unit is received based on optical detection device
Position, and the position for producing passage of scintillation light is calculated by the refraction relation of passage of scintillation light.Then, according to the generation passage of scintillation light
Position obtains the distribution of the position for producing passage of scintillation light, and the distribution based on the position for producing passage of scintillation light calculates the track of particle.
The present exemplary embodiment is modulated by micro structure array to passage of scintillation light, and calculates generation sudden strain of a muscle according to the passage of scintillation light after modulation
The position of bright light, and then the track of particle is calculated, realize the identification to particle track.
Below, the running to the particle track detection device based on micro structure array in this example embodiment is carried out
Detailed description.
First, it is motion activated in scintillator 101 based on particle when a particle is incided in the scintillator 101
Scintillator 101 produces passage of scintillation light 106.Then, micro structure array 102 is modulated to passage of scintillation light 106, and by the flicker after modulation
Light 106 is oriented to optical detection device 103.Subsequently, optical detection device 103 receives the passage of scintillation light 106 after modulation.Finally, particle footpath
Mark probe unit 104 calculates the generation passage of scintillation light based on the passage of scintillation light 106 that the optical detection device 103 is received
106 position, and particle track 107 is calculated according to the position of the generation passage of scintillation light.
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice invention disclosed herein
Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or
Adaptations follow the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure or
Conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by claim
Point out.
It should be appreciated that the disclosure is not limited to the precision architecture for being described above and being shown in the drawings, and
And can without departing from the scope carry out various modifications and changes.The scope of the present disclosure is only limited by appended claim.
Claims (10)
1. a kind of particle track detection device based on micro structure array, it is characterised in that including：
Scintillator, passage of scintillation light is produced for being moved in the scintillator based on particle；
Micro structure array, for modulating the passage of scintillation light, and by modulation after the optical detection device of flicker light directing one；
The optical detection device, for receiving the passage of scintillation light after modulation；
Particle track probe unit, the passage of scintillation light for being received based on the optical detection device calculates the generation sudden strain of a muscle
The position of bright light, and particle track is calculated according to the position of the generation passage of scintillation light.
2. the particle track detection device based on micro structure array according to claim 1, it is characterised in that micro- knot
Structure array is made up of multiple micro-structurals, wherein, the multiple micro-structural forms linear array or face array.
3. the particle track detection device based on micro structure array according to claim 2, it is characterised in that micro- knot
Structure array is covered in all or part of surface of the scintillator.
4. the particle track detection device based on micro structure array according to claim 3, it is characterised in that micro- knot
Structure array is made as independent device and by coupling by scintillator surface processing, scintillator surface plated film or by the micro-structural
Any one of medium is closed and couple mode to be made.
5. the particle track detection device based on micro structure array according to claim 4, it is characterised in that micro- knot
Structure array is using any one in lens array, prism array or optical modulation micro-structural.
6. the particle track detection device based on micro structure array according to claim 1, it is characterised in that micro- knot
Structure array is coupled with the optical detection device in the way of combining closely or leaving gap.
7. the particle track detection device based on micro structure array according to claim 1, it is characterised in that micro- knot
Also include a couplant between structure array and the optical detection device.
8. the particle track detection device based on micro structure array according to claim 7, it is characterised in that the coupling
The species of medium is at least one kind, wherein, the couplant can be penetrated by the passage of scintillation light or a part of passage of scintillation light.
9. the particle track detection device based on micro structure array according to claim 1, it is characterised in that micro- knot
Structure array is coupled with the scintillator in the way of combining closely or leaving gap.
10. the particle track detection device based on micro structure array according to claim 1, it is characterised in that described micro-
Array of structures passes through one or more medium couples with the scintillator.
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| CN201710193431.8A CN106908831A (en) | 2017-03-28 | 2017-03-28 | Particle track detection device based on micro structure array |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710193431.8A CN106908831A (en) | 2017-03-28 | 2017-03-28 | Particle track detection device based on micro structure array |
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Cited By (2)
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| CN108152847A (en) * | 2018-01-31 | 2018-06-12 | 东莞南方医大松山湖科技园有限公司 | Scintillation crystal, crystal module, detector and Positron emission tomography equipment |
| CN109283588A (en) * | 2018-11-01 | 2019-01-29 | 同方威视技术股份有限公司 | The method and apparatus and inspection method and inspection equipment of reconstruction particle track |
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