CN107421721A - Scattering light based on scatter plate receives photosystem transmitance caliberating device - Google Patents
Scattering light based on scatter plate receives photosystem transmitance caliberating device Download PDFInfo
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- CN107421721A CN107421721A CN201710796892.4A CN201710796892A CN107421721A CN 107421721 A CN107421721 A CN 107421721A CN 201710796892 A CN201710796892 A CN 201710796892A CN 107421721 A CN107421721 A CN 107421721A
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- scatter plate
- photosystem
- scattering light
- control survey
- transmitance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a kind of scattering light based on scatter plate 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 invention belongs to inertial confinement fusion optical diagnostic method field, and in particular to a kind of scattering light based on scatter plate
Receive photosystem 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.
The content of the invention
To solve above technical problem, the present invention provides a kind of scattering light based on scatter plate and receives the demarcation of photosystem transmitance
Device, using the scattering properties of scatter plate receive the monitoring of photosystem projectile energy, photosystem transmitance is received so as to realize
Demarcation.
To achieve the above object, technical solution of the present invention is as follows：
A kind of scattering light based on scatter plate receives photosystem transmitance caliberating device, and it is characterized by：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
Between Calibrating source and amasthenic lens, the amasthenic lens is between optical fiber and scatter plate, the control survey system
With each scattering light receive normal direction of the photosystem along scatter plate in cosine distribution in scatter plate close to the side of amasthenic lens, respectively
The individual demarcation measurement apparatus receives side of the photosystem away from scatter plate positioned at corresponding scattering light respectively；The Calibrating source output
Laser the center of scatter plate, the scattering light directive control survey system that scatter plate is formed are focused on through optical fiber and amasthenic lens successively
System and each scattering light receive 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 invention are as follows：
Photosystem transmitance caliberating device is received using the scattering light provided by the invention based on scatter plate, structure is novel, easily
In realization, the full light class demarcation of heavy caliber is not only realized, improves transmitance stated accuracy, and utilize scatter plate spatial distribution
Characteristics simplified demarcation light path, greatly reduces light path debugging difficulty, also achieves different angle and covers scattering light more and receives photosystem
While demarcate, demarcation efficiency greatly improved；Package unit not only meets to diagnose precise treatment requirement, and effectively increases scattered
Penetrate the measurement accuracy of light and reduce the nominal time that scattering light receives photosystem, greatly improve conventional efficient.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the structural representation of the embodiment of the present invention 2.
Embodiment
The invention will be further described with accompanying drawing with reference to embodiments.
Embodiment 1：
As shown in figure 1, a kind of scattering light receipts photosystem transmitance caliberating device based on scatter plate, 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, its
In, m is positive integer, and control survey system is 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 the preferred embodiments of the present invention, the ordinary skill people of this area
Member on the premise of without prejudice to present inventive concept and claim, can make table as multiple types under the enlightenment of the present invention
Show, such conversion is each fallen within protection scope of the present invention.
Claims (9)
1. a kind of scattering light based on scatter plate 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. the scattering light according to claim 1 based on scatter plate receives photosystem transmitance caliberating device, it is characterised in that：
The control survey system is a control survey device (7), and the control survey device (7) is located on the normal of scatter plate (4),
Each scattering light receives the one or both sides that photosystem (5) is distributed in control survey device (7).
3. the scattering light according to claim 1 based on scatter plate receives photosystem transmitance caliberating device, it is characterised in that：
The control survey system is m control survey device (7), and each control survey device (7) receives light with adjacent scattering light
Angle all same between system (5).
4. the scattering light based on scatter plate according to Claims 2 or 3 receives photosystem transmitance caliberating device, its feature exists
In：Each demarcation measurement apparatus (6) and control survey device (7) use using energy meter or power meter.
5. the scattering light according to claim 4 based on scatter plate receives photosystem transmitance caliberating device, it is characterised in that：
The sensitive face area of each demarcation measurement apparatus (6) and control survey device (7) is all higher than 1cm2。
6. the scattering light based on scatter plate according to Claims 2 or 3 receives photosystem transmitance caliberating device, its feature exists
In：In each control survey device (7) collimator apparatus (8) is equipped with close to the side of scatter plate (4).
7. photosystem transmitance caliberating device is received according to the scattering light according to any one of claims 1 to 3 based on scatter plate,
It is characterized in that：The scatter plate (4) is Lambertian scatter plate.
8. photosystem transmitance caliberating device is received according to the scattering light according to any one of claims 1 to 3 based on scatter plate,
It is characterized in that：The amasthenic lens (3) uses achromatism eyeglass.
9. the scattering light according to claim 8 based on scatter plate receives photosystem transmitance caliberating device, it is characterised in that：
The output end of the optical fiber (2) is fixed on amasthenic lens (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710796892.4A CN107421721B (en) | 2017-09-06 | 2017-09-06 | Scattered light receiving system transmissivity calibration device based on scattering plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710796892.4A CN107421721B (en) | 2017-09-06 | 2017-09-06 | Scattered light receiving system transmissivity calibration device based on scattering plate |
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| CN107421721A true CN107421721A (en) | 2017-12-01 |
| CN107421721B CN107421721B (en) | 2023-06-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982469A (en) * | 2020-08-04 | 2020-11-24 | 合肥登特菲医疗设备有限公司 | Detection device and detection method for CR light-receiving tube |
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| CN107421721B (en) | 2023-06-13 |
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