CN206921154U - A kind of ultrafast camera temporal resolution demarcation target of X ray - Google Patents
A kind of ultrafast camera temporal resolution demarcation target of X ray Download PDFInfo
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- CN206921154U CN206921154U CN201720229337.9U CN201720229337U CN206921154U CN 206921154 U CN206921154 U CN 206921154U CN 201720229337 U CN201720229337 U CN 201720229337U CN 206921154 U CN206921154 U CN 206921154U
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- ray
- target
- temporal resolution
- demarcation target
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Abstract
The utility model provides a kind of X ray ultrafast camera temporal resolution demarcation target, wherein demarcation target is planar structure, is followed successively by the first metal layer 1, hydrocarbon material layer 2 and the three-decker of second metal layer 3；When pulse laser ablation demarcates target, ablation the first metal layer 1, hydrocarbon material layer 2 and second metal layer 3 successively, because laser ablation metal can launch X ray, and ablation hydrocarbon material does not almost have X-ray emission, so as to form the X-ray pulse transmitting of two separated in time；Go to demarcate the ultrafast camera 5 of X ray using the demarcation target of different-thickness hydrocarbon material layer 2, the ultrafast camera 5 of X ray can distinguish the temporal resolution that most short X-ray pulse is camera to time interval in time.
Description
Technical field
The utility model belongs to the ultrafast field of detecting of X ray optics, more particularly to a kind of ultrafast camera time resolution of X ray
Rate demarcates target.
Background technology
Ultrafast camera is to refer to record transient process of the time scale in nanometer, psec even femtosecond magnitude
Device.One important technology index of ultrafast camera is temporal resolution, that is, between two for being able to record and distinguishing process
Minimum interval.The temporal resolution for demarcating ultrafast camera is one of camera design and the important content safeguarded.Visible
In optical wavelength range, the temporal resolution of ultrafast camera is carried out demarcating generally use bidifly light pulse, that is, utilizes ultrafast camera
For time of measuring at intervals of two optical pulse signals of particular value, ultrafast camera can distinguish two pulses in time most
Short time interval is the temporal resolution of ultrafast camera.Two optical pulse methods that accurate generation time interval is fixed are point
Light, a branch of optics ultrashort pulse is divided into two ultrafast pulse signals of specified time interval using Mach-Zahnder interference, passed through
Adjust the time interval between arm length difference two pulses of accurate control of interferometer.But in X ray short wavelength range, to one
The pulse signal that beam X-ray pulse carries out two time intervals fixations of light splitting generation is relatively difficult, main reason is that X ray light
It is extremely low to learn element reflectivity, significantly decays by the X-ray intensity for being once divided back reflection, is almost difficult to detect, and X ray is anti-
Penetrate and be not easy adjustment control for glancing incidence, its reflection direction.A kind of effective way for solving this problem is burnt using light laser
Metal material is lost to produce X-ray pulse, and ablated metal material is referred to as laser target.Pass through swashing for one three-decker of making
Light target, laser ablation metal level successively, hydrocarbon layer and metal level, because laser emission hydrocarbon material hardly launches X ray spoke
Penetrate, the X-ray pulse pair fixed so as to generation time interval.
The content of the invention
To solve the above problems, the utility model provides a kind of X ray ultrafast camera temporal resolution demarcation target.This practicality
It is new to form two metal layers in hydrocarbon material layer upper and lower surface, produce two using two metal levels of pulse laser successively ablation
The X-ray pulse that time interval is fixed, its preparation method is simple, and the time interval between two X-ray pulses can be adjusted accurately
Section.
A kind of ultrafast camera temporal resolution demarcation target of X ray, the demarcation target include the first gold medal being sequentially arranged above and below
Belong to layer 1, hydrocarbon material layer 2 and second metal layer 3, and demarcate target and be fixed on metallic target bar 5.
A kind of ultrafast camera temporal resolution demarcation target of X ray, the demarcation target is planar structure.
A kind of ultrafast camera temporal resolution demarcation target of X ray, the first metal layer 1 and second metal layer 3 pass through electricity
The mode of plating is respectively overlay in two surfaces up and down of hydrocarbon material layer 2.
A kind of ultrafast camera temporal resolution demarcation target of X ray, the first metal layer 1 and second metal layer 3 are by splashing
The mode penetrated is respectively overlay in two surfaces of hydrocarbon material layer 2.
A kind of ultrafast camera temporal resolution demarcation target of X ray, the demarcation target are fixed on metallic target by welding manner
On bar 5.
A kind of ultrafast camera temporal resolution demarcation target of X ray, the demarcation target are fixed on metallic target by viscose glue mode
On bar 5.
A kind of ultrafast camera temporal resolution demarcation target of X ray, the first metal layer 1 and the material of second metal layer 3 are
Copper, iron, gold, titanium or aluminium.
A kind of ultrafast camera temporal resolution demarcation target of X ray, including pulse laser 4 and demarcation target；Wherein pulse swashs
Relative position between light device 4 and demarcation target meets following condition：The pulse laser that pulse laser 4 is emitted is beaten in demarcation target
On surface；The demarcation target is followed successively by the first metal layer 1, hydrocarbon material layer 2 and the three-decker of second metal layer 3；It is got the bid
Targeting is planar structure.
During the pulse laser ablation demarcation target that pulse laser 4 is emitted, ablation the first metal layer 1, hydrocarbon material layer 2 successively
And second metal layer 3, because laser ablation metal can launch X ray, and ablation hydrocarbon material does not almost have X-ray emission,
So as to form the X-ray pulse transmitting of two separated in time；The ultrafast camera 6 of X ray receives the two X ray arteries and veins respectively
Punching, can it be in time the time point of the ultrafast camera 6 of X ray by the shortest time interval that two X-ray pulses distinguish
Resolution, final realize go to demarcate the ultrafast camera 6 of X ray using the demarcation target of different-thickness hydrocarbon material layer 2.
The ultrafast temporal resolution of the camera 6 demarcation target of X ray of the present utility model, by controlling the thickness of hydrocarbon material layer 2,
The time interval between X-ray pulse pair can be controlled, by selecting different metal materials to adjust the ripple of X-ray emission
Long scope, the intensity by adjusting pulse laser can control the emissive porwer of X-ray pulse.
Beneficial effect：
1st, the utility model makes demarcation target by simple metal coating technique, solid using laser ablation demarcation target transmitting
Fix time the X-ray pulse pair at interval, provide standard signal for the ultrafast camera calibration of X ray, the ultrafast camera of X ray can be by two
The shortest time interval that individual X-ray pulse distinguishes is the temporal resolution of the ultrafast camera of X ray.
2nd, the ultrafast camera temporal resolution demarcation target of X ray of the present utility model, production method is simple, and cost is low.
Brief description of the drawings
Fig. 1 is the structural representation that the ultrafast camera temporal resolution of the utility model X ray demarcates target；
Fig. 2 is that the utility model is used to demarcate the ultrafast camera temporal resolution schematic layout pattern of X ray；
1- the first metal layers, 2- hydrocarbon materials layer, 3- second metal layers, 4- pulse lasers, 5- metallic targets bar, 6-X are penetrated
The ultrafast camera of line.
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation that the ultrafast camera temporal resolution of the utility model X ray demarcates target, and Fig. 2 is this practicality
It is new to be used to demarcate the ultrafast camera temporal resolution schematic layout pattern of X ray.In Fig. 1, Fig. 2, X described in the utility model is penetrated
The ultrafast camera calibration target of line is followed successively by the first metal layer 1, hydrocarbon material layer 2 and the three-decker of second metal layer 3, and demarcates target
It is fixed on metallic target bar 5.
A kind of ultrafast camera temporal resolution demarcation target of X ray, the demarcation target is planar structure.
A kind of ultrafast camera temporal resolution demarcation target of X ray, the first metal layer 1 and second metal layer 3 pass through electricity
The mode of plating is respectively overlay in two surfaces of hydrocarbon material layer 2.
A kind of ultrafast camera temporal resolution demarcation target of X ray, the first metal layer 1 and second metal layer 3 are by splashing
The mode penetrated is respectively overlay in two surfaces of hydrocarbon material layer 2.
A kind of ultrafast camera temporal resolution demarcation target of X ray, the demarcation target are fixed on metallic target by welding manner
On bar 5.
A kind of ultrafast camera temporal resolution demarcation target of X ray, the demarcation target are fixed on metallic target by viscose glue mode
On bar 5.
A kind of ultrafast camera temporal resolution demarcation target of X ray, the first metal layer 1 and the material of second metal layer 3 are
Copper, iron, gold, titanium or aluminium.
Annexation of the present utility model is that pulse laser 4 incides demarcation from the place in-plane of the first metal layer 1
On target surface, the lens direction of the ultrafast camera 6 of X ray aligns with demarcating the target surface normal direction of target.
The first metal layer 1 in X ray ultrafast camera temporal resolution demarcation target in the present embodiment, hydrocarbon material layer 2 and
The thickness of second metal layer 3 is respectively D1, DCHAnd D2.Under the ablation effect for the pulse laser that pulse laser 4 is emitted, first
The Recession rate of metal level 1 is V1, the Recession rate of hydrocarbon material layer is VCH, the Recession rate of second metal layer 3 is V2, produce
X-ray pulse time width T1And T2The ablation the first metal layer 1 of respective pulses laser 4 and second metal layer 3 are consumed respectively
Time, i.e.,
Time interval T between two pulses0The time consumed by laser ablation hydrocarbon material layer 2, i.e.,
The ultrafast camera 6 of X ray receives the two X-ray pulses respectively, wherein two X-ray pulses can be distinguished
Shortest time interval T0The as temporal resolution of the ultrafast camera 6 of X ray.
Certainly, the utility model can also have other various embodiments, without departing substantially from the utility model spirit and its essence
In the case of, those skilled in the art work as can make various corresponding changes and deformation according to the utility model, but these
Corresponding change and deformation should all belong to the scope of the claims appended by the utility model.
Claims (7)
1. a kind of ultrafast camera temporal resolution demarcation target of X ray, it is characterised in that the demarcation target includes sequentially being arranged above and below
The first metal layer (1), hydrocarbon material layer (2) and second metal layer (3), and demarcate target be fixed on metallic target bar (5).
A kind of 2. ultrafast camera temporal resolution demarcation target of X ray as claimed in claim 1, it is characterised in that the demarcation
Target is planar structure.
3. the ultrafast camera temporal resolution demarcation target of a kind of X ray as claimed in claim 1, it is characterised in that described first
Metal level (1) and second metal layer (3) are respectively overlay in two surfaces up and down of hydrocarbon material layer (2) by way of plating.
4. the ultrafast camera temporal resolution demarcation target of a kind of X ray as claimed in claim 1, it is characterised in that described first
Metal level (1) and second metal layer (3) are respectively overlay in two surfaces of hydrocarbon material layer (2) by way of sputtering.
A kind of 5. ultrafast camera temporal resolution demarcation target of X ray as claimed in claim 1, it is characterised in that the demarcation
Target is fixed on metallic target bar (5) by welding manner.
A kind of 6. ultrafast camera temporal resolution demarcation target of X ray as claimed in claim 1, it is characterised in that the demarcation
Target is fixed on metallic target bar (5) by viscose glue mode.
7. the ultrafast camera temporal resolution demarcation target of a kind of X ray as claimed in claim 1, it is characterised in that described first
Metal level (1) and second metal layer (3) material are copper, iron, gold, titanium or aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720229337.9U CN206921154U (en) | 2017-03-10 | 2017-03-10 | A kind of ultrafast camera temporal resolution demarcation target of X ray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720229337.9U CN206921154U (en) | 2017-03-10 | 2017-03-10 | A kind of ultrafast camera temporal resolution demarcation target of X ray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206921154U true CN206921154U (en) | 2018-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720229337.9U Expired - Fee Related CN206921154U (en) | 2017-03-10 | 2017-03-10 | A kind of ultrafast camera temporal resolution demarcation target of X ray |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945981A (en) * | 2019-04-25 | 2019-06-28 | 中国工程物理研究院激光聚变研究中心 | In a kind of characterization in Z opaque material shock velocity measurement target and method |
-
2017
- 2017-03-10 CN CN201720229337.9U patent/CN206921154U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945981A (en) * | 2019-04-25 | 2019-06-28 | 中国工程物理研究院激光聚变研究中心 | In a kind of characterization in Z opaque material shock velocity measurement target and method |
| CN109945981B (en) * | 2019-04-25 | 2024-01-26 | 中国工程物理研究院激光聚变研究中心 | Measuring target and method for shock wave speed in Z opaque material in characterization |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 Termination date: 20200310 |