CN207180994U - New scattering light receives photosystem transmitance caliberating device - Google Patents
New scattering light receives photosystem transmitance caliberating device Download PDFInfo
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- CN207180994U CN207180994U CN201721138815.1U CN201721138815U CN207180994U CN 207180994 U CN207180994 U CN 207180994U CN 201721138815 U CN201721138815 U CN 201721138815U CN 207180994 U CN207180994 U CN 207180994U
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- photosystem
- scattering light
- scatter plate
- transmitance
- control survey
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Abstract
The utility model discloses a kind of new scattering light to receive photosystem transmitance caliberating device, including Calibrating source, optical fiber, amasthenic lens, scatter plate, control survey system, m scattering light receive photosystem and m demarcation measurement apparatus；The optical fiber is between Calibrating source and amasthenic lens, the amasthenic lens is between optical fiber and scatter plate, the control survey system and each scattering light receive normal direction of the photosystem along scatter plate and receive side of the photosystem away from scatter plate positioned at corresponding scattering light respectively close to the side of amasthenic lens, each demarcation measurement apparatus in scatter plate in cosine distribution.Using above structure, not only realize the full light class demarcation of heavy caliber, improve transmitance stated accuracy, and simplify demarcation light path using scatter plate spatial characteristics, greatly reduce light path debugging difficulty, also achieve while different angle covers scattering light receipts photosystem more and demarcate, demarcation efficiency greatly improved.
Description
Technical field
The utility model belongs to inertial confinement fusion optical diagnostic method field, and in particular to a kind of new scattering light receives light
System transmitance caliberating device.
Background technology
In laser inertial confinement fusion research, the various parameters excited during laser-plasma interaction are unstable
It is qualitative to reduce laser light absorbing efficiency, destroy radiation field symmetry.Because scattering light and plasmoid are closely related, scattering
The characteristic of light reflects evolutionary process of the plasmoid with the time, therefore the accurate measurement of scattering light progress can be deepened to thing
The understanding of model and rule is managed, and basic physicses data are provided with verification simulation program for Numerical Simulation Program.It is accurate to obtain
Scattered energy, it is necessary first to for collect scatter light receipts photosystem transmitance demarcate, then according in receive
The energy that the measurement apparatus at photosystem rear portion measures is pushed away come counter.The existing demarcation side that photosystem transmitance is received to scattering light
Method mainly has two kinds：Single-point calibration and unified demarcation.
Wherein, by the use of the light pencil that laser exports as input, energy meter or power meter are set single-point calibration as record
It is standby to be demarcated, it is necessary to receive certain transmitance put in the range of optical port footpath to receipts photosystem.Because the angle distribution for scattering light is not concentrated,
Collected it is generally necessary to receive photosystem using heavy caliber and be scattered light, the transmitance of diverse location is not in the range of receipts optical port footpath
It is completely the same, therefore the receipts photosystem transmitance error obtained by single-point calibration is larger.
And unified demarcation recycles lens to expand light beam into f numbers then firstly the need of being expanded and being collimated to laser beam
The transmitance of each receipts photosystem is demarcated one by one after the cone-shaped beam matched with receiving photosystem, for preferably SIMULATED SCATTERING
The spatial distribution of light, it is desirable to which the focus of each lens overlaps with to the operating point of receivable photosystem.Therefore, to obtain and receive spectrum
The operating point of system overlaps, the cone-shaped beam of f numbers matching causes light path debugging sufficiently complex, especially for more sets of different angle
Photosystem is received, it is necessary to be debugged one by one respectively, causes staking-out work extremely cumbersome, has a strong impact on experiment progress.
Solving problem above turns into the task of top priority.
Utility model content
To solve above technical problem, the utility model provides a kind of new scattering light and receives photosystem transmitance demarcation dress
Put, using the scattering properties of scatter plate receive the monitoring of photosystem projectile energy, so as to realize the mark for receiving photosystem transmitance
It is fixed.
To achieve the above object, technical solutions of the utility model are as follows：
A kind of new scattering light receives photosystem transmitance caliberating device, and it is characterized by：Including Calibrating source, optical fiber, gather
Zoom lens, scatter plate, control survey system, m scattering light receive photosystem and m demarcation measurement apparatus；The optical fiber is positioned at mark
Determine between light source and amasthenic lens, the amasthenic lens is between optical fiber and scatter plate, the control survey system and each
Scatter light receive normal direction of the photosystem along scatter plate in cosine distribution in scatter plate close to the side of amasthenic lens, it is each described
Demarcate measurement apparatus and receive side of the photosystem away from scatter plate positioned at corresponding scattering light respectively；The laser of the Calibrating source output
Focus on the center of scatter plate through optical fiber and amasthenic lens successively, scattering light directive control survey system that scatter plate is formed and each
Individual scattering light receives photosystem.
Using above structure, control survey system measures to the scattering light from scatter plate, each demarcation measurement dress
Put the scattering light passed through to corresponding to scattering light receipts photosystem respectively to measure, because the angle of the scattering light of scatter plate is distributed
Know, therefore, the scattered energy or power measured according to control survey system, photosystem and scatter plate are received with reference to each scattering light
The distance between and receive the distance between light solid angle, control survey system and scatter plate and receipts light solid angle, control survey system
System and each scattering light receive the angle between photosystem, can obtain the scattering light for entering each scattering light and receiving photosystem by calculating
Energy or power, spectrum is received through scattering light in conjunction with what demarcation measurement apparatus corresponding with each scattering light receipts photosystem measured
The scattered energy or power of system, each scattering light can be tried to achieve and receive photosystem transmitance, also, because the angle for scattering light is distributed in
Any orientation is all known, therefore can receive photosystem to the scattering light in different spatial and demarcate simultaneously.
As preferred：The control survey system is a control survey device, and the control survey device is located at scatter plate
Normal on, each scattering light receives photosystem and is distributed in the one or both sides of control survey device.Using above structure, prison
Normal position is in depending on measurement apparatus, and the angle that each scattering light is received between photosystem and scatter plate normal is easily obtained, and is simplified
Demarcation flow, improves demarcation efficiency.
As preferred：The control survey system is m control survey device, each control survey device with it is adjacent
Scatter the angle all same between light receipts photosystem.Using above structure, photosystem is received according to control survey device and scattering light
With the distance between scatter plate and receive light solid angle, you can the energy or power of incident scatter light is directly calculated, no longer needs
Consider to scatter optic angle distribution, effectively reduce the error as caused by being distributed scattering optic angle.
As preferred：Each demarcation measurement apparatus and control survey device use using energy meter or power
Meter.It is good using above structure, mature and reliable, stability, it is easy to purchase.
As preferred：The sensitive face area of each demarcation measurement apparatus and control survey device is all higher than 1cm2.Adopt
With above structure, light solid angle can be received to reduce the requirement to scattering light spatially uniform by increasing, in order to improve demarcation
Precision.
As preferred：In each control survey device collimator apparatus is equipped with close to the side of scatter plate.Use with
Upper structure, collimator apparatus are miscellaneous in order to preferably shield or filter out preferably using shielding cone, collimation optical cable and collimation cylinder etc.
Astigmatism.
As preferred：The scatter plate is Lambertian scatter plate.Using above structure, incident laser can be entered in 2 π spaces
Row scattering, scattering optic angle is distributed as along scatter plate normal direction being in nearly cosine distribution, unrelated with incident angle of light and wavelength.
As preferred：The amasthenic lens uses achromatism eyeglass.Using above structure, with color difference eliminating, it is clear to improve
Degree.
As preferred：The output end of the optical fiber is fixed on amasthenic lens.Using above structure, make different wave length laser
Incoming position on scatter plate is constant, in order to carry out the demarcation of different wave length transmitance.
Compared with prior art, the beneficial effects of the utility model are：
Photosystem transmitance caliberating device is received using new scattering light provided by the utility model, structure is novel, is easy to real
It is existing, the full light class demarcation of heavy caliber is not only realized, improves transmitance stated accuracy, and utilize scatter plate spatial characteristics
Demarcation light path is simplified, greatly reduces light path debugging difficulty, different angle is also achieved and covers the same of scattering light receipts photosystem more
When demarcate, demarcation efficiency greatly improved；Package unit not only meets to diagnose precise treatment requirement, and effectively increases scattering light
Measurement accuracy and reduce scattering light receive photosystem nominal time, greatly improve conventional efficient.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment 1；
Fig. 2 is the structural representation of the utility model embodiment 2.
Embodiment
The utility model is described in further detail with accompanying drawing with reference to embodiments.
Embodiment 1：
As shown in figure 1, a kind of new scattering light receives photosystem transmitance caliberating device, including it is Calibrating source 1, optical fiber 2, poly-
Zoom lens 3, scatter plate 4, control survey system, m scattering light receive photosystem 5 and m demarcation measurement apparatus 6, wherein, m is just
Integer, control survey system are a control survey device 7.
Fig. 1 is referred to, for the optical fiber 2 between Calibrating source 1 and amasthenic lens 3, the amasthenic lens 3 is located at optical fiber
Between 2 and scatter plate 4, the control survey device 7 and each scattering light receive normal direction of the photosystem 5 along scatter plate 4 in remaining
String is distributed in scatter plate 4 close to the side of amasthenic lens 3, and specifically, the control survey device 7 is located at the normal of scatter plate 4
On, each scattering light receives the one or both sides that photosystem 5 is distributed in control survey device 7, each demarcation measurement dress
Put 6 and receive side of the photosystem 5 away from scatter plate 4 positioned at corresponding scattering light respectively, for receiving and measuring through corresponding scattering light
Receive the energy or power of the scattering light of photosystem 5.
It is pointed out that each demarcation measurement apparatus 6 and control survey device 7 use using energy meter or
Power meter, mature and reliable, stability is good, can accurately measure the energy or power of scattering light.Further, each demarcation
The sensitive face area of measurement apparatus 6 and control survey device 7 is all higher than 1cm2, light solid angle can be received to reduce to dissipating by increasing
The requirement of light spatially uniform is penetrated, in order to improve stated accuracy.Further, it is close in each control survey device 7
The side of scatter plate 4 is equipped with collimator apparatus 8, and the collimator apparatus 8 is preferably bored using shielding, collimates optical cable and collimation cylinder etc.,
In order to preferably shield or filter out veiling glare.Further, the scatter plate 4 is Lambertian scatter plate, can swash incidence
Light is scattered in 2 π spaces, scattering optic angle be distributed as along scatter plate normal direction being in nearly cosine distribution, with incident angle of light and
Wavelength is unrelated.Further, the amasthenic lens 3 uses achromatism eyeglass, with color difference eliminating, improves definition.Further,
The output end of the optical fiber 2 is fixed on amasthenic lens 3, makes incoming position of the different wave length laser on scatter plate 4 constant, with
It is convenient for the demarcation of different wave length transmitance.
The laser that the Calibrating source 1 exports focuses on the center of scatter plate 4, scattering through optical fiber 2 and amasthenic lens 3 successively
The scattering light directive control survey system and each scattering light that plate 4 is formed receive photosystem 5.Control survey device 7 is located at scatter plate 4
Normal on, it can be measured to the scattering light from scatter plate, and each demarcation measurement apparatus 6 scatters light to corresponding respectively
Receive the scattering light that photosystem 5 passes through to measure, because therefore the angle distribution of the scattering light of scatter plate 4 according to monitoring, it is known that, survey
The scattered energy or power that amount device 7 measures, it is three-dimensional to receive the distance of photosystem 5 and scatter plate 4, receipts light with reference to each scattering light
Angle and angle can enter scattering light and receive photosystem 5 by calculating acquisition between the normal of scatter plate 4 scattered energy or power, then
Scattered energy or the power that the demarcation measurement apparatus 6 at the rear portion of photosystem 5 measures are received with reference to each scattering light, you can are tried to achieve each
The transmitance that light receives photosystem 5 is scattered, completes demarcation.
Embodiment 2：
Fig. 2 is referred to, the structure and embodiment 1 of the present embodiment are substantially the same, and its difference is：The control survey system
For m control survey device 7, m is positive integer, i.e., control survey device 7 is identical with the quantity of scattering light receipts photosystem 5, and one
One correspondence, and each control survey device 7 and adjacent scattering light receive the angle all same between photosystem 5.
The angle received due to every group of scattering light between photosystem 5 and control survey device 7 is identical, according to control survey device
7 receive photosystem 5 with the distance between scatter plate 4 with scattering light and receive light solid angle, you can incident scatter light is directly calculated
Energy or power, it is no longer necessary to consider scattering optic angle distribution, effectively reduce as scattering optic angle be distributed caused by error.
Finally it should be noted that foregoing description is only preferred embodiment of the present utility model, the common skill of this area
Art personnel on the premise of without prejudice to the utility model aims and claim, can make under enlightenment of the present utility model
Expression, such conversion are each fallen within the scope of protection of the utility model as multiple types.
Claims (9)
1. a kind of new scattering light receives photosystem transmitance caliberating device, it is characterised in that：Including Calibrating source (1), optical fiber
(2), amasthenic lens (3), scatter plate (4), control survey system, m scattering light receive photosystem (5) and m demarcation measurement apparatus
(6)；
The optical fiber (2) is located between Calibrating source (1) and amasthenic lens (3), the amasthenic lens (3) be located at optical fiber (2) and
Between scatter plate (4), the normal direction of the control survey system and each scattering light receipts photosystem (5) along scatter plate (4) is in
Cosine distribution is in scatter plate (4) close to the side of amasthenic lens (3), and each demarcation measurement apparatus (6) is respectively positioned at corresponding
Scatter light and receive side of the photosystem (5) away from scatter plate (4)；
The laser of Calibrating source (1) output focuses on the center of scatter plate (4) through optical fiber (2) and amasthenic lens (3) successively,
The scattering light directive control survey system and each scattering light that scatter plate (4) is formed receive photosystem (5).
2. new scattering light according to claim 1 receives photosystem transmitance caliberating device, it is characterised in that：The monitoring
Measuring system is a control survey device (7), and the control survey device (7) is located on the normal of scatter plate (4), each described
Scattering light receives the one or both sides that photosystem (5) is distributed in control survey device (7).
3. new scattering light according to claim 1 receives photosystem transmitance caliberating device, it is characterised in that：The monitoring
Measuring system is m control survey device (7), each control survey device (7) and adjacent scattering light receive photosystem (5) it
Between angle all same.
4. the new scattering light according to Claims 2 or 3 receives photosystem transmitance caliberating device, it is characterised in that：It is each
The demarcation measurement apparatus (6) and control survey device (7) use using energy meter or power meter.
5. new scattering light according to claim 4 receives photosystem transmitance caliberating device, it is characterised in that：It is each described
The sensitive face area of demarcation measurement apparatus (6) and control survey device (7) is all higher than 1cm2。
6. the new scattering light according to Claims 2 or 3 receives photosystem transmitance caliberating device, it is characterised in that：Each
The individual control survey device (7) is equipped with collimator apparatus (8) close to the side of scatter plate (4).
7. receiving photosystem transmitance caliberating device according to new scattering light according to any one of claims 1 to 3, its feature exists
In：The scatter plate (4) is Lambertian scatter plate.
8. receiving photosystem transmitance caliberating device according to new scattering light according to any one of claims 1 to 3, its feature exists
In：The amasthenic lens (3) uses achromatism eyeglass.
9. new scattering light according to claim 8 receives photosystem transmitance caliberating device, it is characterised in that：The optical fiber
(2) output end is fixed on amasthenic lens (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721138815.1U CN207180994U (en) | 2017-09-06 | 2017-09-06 | New scattering light receives photosystem transmitance caliberating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721138815.1U CN207180994U (en) | 2017-09-06 | 2017-09-06 | New scattering light receives photosystem transmitance caliberating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207180994U true CN207180994U (en) | 2018-04-03 |
Family
ID=61743332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721138815.1U Expired - Fee Related CN207180994U (en) | 2017-09-06 | 2017-09-06 | New scattering light receives photosystem transmitance caliberating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207180994U (en) |
-
2017
- 2017-09-06 CN CN201721138815.1U patent/CN207180994U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20190906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |