CN109253797A - A kind of laser irradiating effects pilot system and method - Google Patents
A kind of laser irradiating effects pilot system and method Download PDFInfo
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- CN109253797A CN109253797A CN201811196726.1A CN201811196726A CN109253797A CN 109253797 A CN109253797 A CN 109253797A CN 201811196726 A CN201811196726 A CN 201811196726A CN 109253797 A CN109253797 A CN 109253797A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/0252—Constructional arrangements for compensating for fluctuations caused by, e.g. temperature, or using cooling or temperature stabilization of parts of the device; Controlling the atmosphere inside a photometer; Purge systems, cleaning devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0403—Mechanical elements; Supports for optical elements; Scanning arrangements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
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- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0448—Adjustable, e.g. focussing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0455—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings having a throughhole enabling the optical element to fulfil an additional optical function, e.g. a mirror or grating having a through-hole for a light collecting or light injecting optical fibre
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Abstract
The invention discloses a kind of laser irradiating effects pilot systems, comprising: laser body, for emitting laser beams；The side of laser body is arranged in laser beam regulating mechanism, the parameter of the laser beam for adjusting transmitting；Atmospheric effect simulation mechanism is arranged in the optical path of the laser beam after the adjusting of laser beam regulating mechanism, for simulating influence of the atmosphere to the laser beam after adjustment parameter in transmission process；Side of the atmospheric effect simulation mechanism far from laser beam regulating mechanism is arranged in target regulating mechanism, for fixing target, and adjusts the positional relationship of the laser beam of target and irradiation in target；Air-flow environment simulation mechanism is arranged in target regulating mechanism side, for the air flow condition around simulated target；Irradiation effect measuring mechanism, for measuring irradiation in the energy and laser beam illuminated target of the laser beam in target, the degree of impairment of target.Present invention can be implemented in repeat to carry out laser irradiating effects test under laboratory condition.
Description
Technical field
The invention belongs to laser irradiation the field of test technology, in particular to a kind of laser irradiating effects pilot system and side
Method.
Background technique
The orientable transmitting laser beam of laser equipment is destroyed target or reduced performance, is a kind of damage with illuminated target
Hurt the new concept equipment that precision is high, damage mode is diversified, efficiency-cost ratio is low.Laser irradiation effect research is laser equipment preparation
One of core technology, and the necessary means to conduct a research are then laser irradiating effects tests.In laser irradiating effects test, swash
Light equipment transmitting laser beam illuminated target, it is rapid by laser power level, the shake of system pointing, the atmosphere during measurement test
The data such as effect, target physical properties are flowed, comprehensive assessment laser equips the irradiation efficiency to target.Since laser irradiating effects try
It tests and needs to meet the multiple requirements such as human resources, test site, communications and transportation, airspace safety, carry out and test hardly possible is repeated several times
Spend it is larger, limit scientific research personnel to laser equip irradiation efficiency further investigation.
Summary of the invention
The object of the present invention is to provide a kind of laser irradiating effects pilot systems and method, realization can be in laboratory conditions
It repeats to carry out the purpose that laser irradiating effects are tested.
On the one hand, the embodiment of the present invention provides a kind of laser irradiating effects pilot system, comprising:
Laser body, for emitting laser beams；
The side of the laser body is arranged in laser beam regulating mechanism, for adjusting the laser beam of transmitting
Parameter；
The optical path of the laser beam after laser beam regulating mechanism adjusting is arranged in atmospheric effect simulation mechanism
On, for simulating influence of the atmosphere to the laser beam after adjustment parameter in transmission process；
Side of the atmospheric effect simulation mechanism far from the laser beam regulating mechanism is arranged in target regulating mechanism,
For fixing target, and adjust the positional relationship of the laser beam of the target and irradiation in the target；
Air-flow environment simulation mechanism is arranged in target regulating mechanism side, for simulating the gas around the target
Stream mode；
Irradiation effect measuring mechanism irradiates the energy of the laser beam in the target and described for measuring
When laser beam irradiates the target, the degree of impairment of the target.
Further, the laser beam regulating mechanism includes focusing microscope group；
The focusing microscope group includes multiple focusing lens disposed in parallel, the focusing microscope group, for adjusting the laser beam
Size and power density.
Further, the laser beam regulating mechanism further includes reflecting mirror and vibrator；
Side of the focusing microscope group far from the laser body is arranged in the vibrator；
The reflecting mirror setting is vibrated on the vibrator, and with the vibration of the vibrator；The reflecting mirror is used
In reflecting the laser beam, the laser beam is made to inject the atmospheric effect simulation mechanism.
Further, the atmospheric effect simulation mechanism includes pond body:
The bottom of the pond body is equipped with heating component, and the top of the pond body is equipped with cooling component, so that the pond body
Formation temperature is poor between top and bottom；
The two sides of the pond body are equipped with loophole, and the loophole is equipped with optical flat lens, are used for the laser beam
Injection and injection.
Further, the two sides of the loophole are provided with optical refractive lenses.
Further, the irradiation effect measuring mechanism includes spectroscope and laser measurer:
The spectroscope is arranged between the atmospheric effect simulation mechanism and the target regulating mechanism, for will be from
The laser beam that the atmospheric effect simulation mechanism projects is divided into first laser beam and second laser beam；
Laser measurer described in the first laser beam directive, target described in the second laser beam directive；
The laser measurer, for measuring the energy of the first laser beam, and according to the energy of the first laser beam
The splitting ratio of amount and the first laser beam and the second laser beam, calculates the energy of the second laser beam.
Further, the irradiation effect measuring mechanism further include:
Temperature measurement device, when irradiating the target for measuring the second laser beam, the temperature change of the target；
High-speed camera, when irradiating the target for shooting the second laser beam, the pattern of the target surface becomes
Change.
It further, further include cut-off screen, the cut-off screen is arranged in the first laser beam through the laser measurer
In optical path after reflection.
Further, the horizontal axis of the laser measurer swashs with from the described of atmospheric effect simulation mechanism injection
The angle of the optical path of light beam is less than 10 degree.
Further, the air-flow environment simulation mechanism includes nozzle and gas reservoir；
One end of the nozzle is connected to setting with the gas reservoir, and the other end of the nozzle is set towards the target
It sets.
A kind of laser irradiating effects pilot system provided through the invention, bring have the beneficial effect that the present invention passes through
Laser beam regulating mechanism adjusts the parameter of laser beam, is then transmitted by atmospheric effect simulation mechanism simulated atmosphere to laser beam
It influences, then by the air flow condition around air-flow environment simulation mechanism simulated target, analog goes out the practical application of laser equipment
Scene, to realize the purpose for repeating to carry out laser irradiating effects test in laboratory conditions, meanwhile, irradiation effect measuring mechanism
A large amount of test data can be obtained, further investigation can be carried out for laser equipment irradiation efficiency and great convenience is provided.
Detailed description of the invention
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, a kind of laser irradiating effects are tried
Above-mentioned characteristic, technical characteristic, advantage and its implementation of check system are further described.
Fig. 1 is a kind of structural schematic diagram of laser irradiating effects pilot system of the present invention；
Fig. 2 is a kind of positional relationship of the target of laser irradiating effects pilot system and air-flow environment simulation mechanism of the present invention
Schematic diagram；
Fig. 3 is a kind of structural schematic diagram of the irradiation effect measuring mechanism of laser irradiating effects pilot system of the present invention.
Description of symbols
1, laser body；2, focusing microscope group；3, reflecting mirror；4, vibrator；5；Atmospheric effect simulation mechanism；6, mesh
Mark；7, target regulating mechanism；8, air-flow environment simulation mechanism；9, laser measurer；10, temperature measurement device；11, high-speed camera
Machine；12, spectroscope；13, cut-off screen.
Specific embodiment
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, Detailed description of the invention will be compareed below
A specific embodiment of the invention.It should be evident that drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, and obtain other embodiments.
To make simplified form, part related to the present invention is only schematically shown in each figure, they are not represented
Its practical structures as product.In addition, there is identical structure or function in some figures so that simplified form is easy to understand
Component only symbolically depicts one of those, or has only marked one of those.Herein, "one" is not only indicated
" only this ", can also indicate the situation of " more than one ".
The first embodiment provided according to the present invention, as shown in Figure 1,
A kind of laser irradiating effects pilot system, comprising:
Laser body 1, for emitting laser beams；
The side of the laser body 1 is arranged in laser beam regulating mechanism, for adjusting the laser beam of transmitting
Parameter；
The optical path of the laser beam after laser beam regulating mechanism adjusting is arranged in atmospheric effect simulation mechanism 5
On, for simulating influence of the atmosphere to the laser beam after adjustment parameter in transmission process；
One of the atmospheric effect simulation mechanism 5 far from the laser beam regulating mechanism is arranged in target regulating mechanism 7
Side for fixing target 6, and adjusts the positional relationship of the laser beam of the target 6 with irradiation in the target 6；
Air-flow environment simulation mechanism 8 is arranged in 7 side of target regulating mechanism, for simulating around the target 6
Air flow condition；
Irradiation effect measuring mechanism irradiates the energy of the laser beam in the target 6 and described for measuring
When laser beam irradiates the target 6, the degree of impairment of the target 6.
Specifically, when test, the current value by adjusting laser body 1 realizes that the laser of different capacity grade is defeated
Out, the power density range that laser body 1 exports is 10W/cm2~5000W/cm2；Pass through laser beam after outgoing laser beam
Adjustment structure adjusts the parameter of laser beam, and then by atmospheric effect simulation mechanism 5,5 analog of atmospheric effect simulation mechanism is big
Influence of the gas to laser beam, as atmospheric turbulance can cause the light intensity of laser beam to flash, arrival angle fluctuation, beam drift and light beam expand
Effects, 5 analogs of atmospheric effect simulation mechanism such as exhibition go out the change that laser beam generates due to by atmospheric effect in practical applications
Change, then makes to be affected by atmospheric effects the laser beam irradiation for generating variation in target 6, and pass through air-flow environment simulation mechanism 8 and change
Air flow condition around target 6, to observe under different air flow conditions, damage status of the laser beam to target 6；Target adjusts machine
Structure 7 can horizontal, just move or orientation rotation, to adjust the positional relationship of laser beam Yu target 6, such as the irradiation position of laser beam
It sets and incident angle, laser beam axis and 6 method phase angle ± 30 ° of target are adjustable；The cooperation that the present invention passes through above-mentioned multiple mechanisms
It uses, analog goes out the practical application scene of laser equipment, repeats to carry out laser irradiating effects in laboratory conditions to realize
The purpose of test, and the influence in view of atmospheric effect and air flow condition etc. to laser beam, can make the result of test closer
The test result of practical application scene improves the reliability of test；Meanwhile irradiation effect measuring mechanism can obtain a large amount of examination
Data are tested, further investigation can be carried out for laser equipment irradiation efficiency and great convenience is provided.
The second embodiment provided according to the present invention, as shown in Figure 1,
A kind of laser irradiating effects pilot system, the present embodiment and the difference of above-mentioned first embodiment are:
Laser beam regulating mechanism includes focusing microscope group 2, and focusing microscope group 2 includes multiple focusing lens disposed in parallel, focusing lens
Group 2, for adjusting the size and power density of the laser beam.
Preferably, laser beam regulating mechanism further includes reflecting mirror 3 and vibrator 4, and the vibrator 4 is arranged in the focusing
Side of the microscope group 2 far from the laser body 1；Reflecting mirror 3 is arranged on the vibrator 4, and with the vibrator 4
Vibration and vibrate；Reflecting mirror 3 makes laser beam inject atmospheric effect simulation mechanism 5 for reflecting the laser beam.
Specifically, the present embodiment is the optimal enforcement example of above-mentioned first embodiment, the laser beam regulating mechanism of the present embodiment
It preferably further include reflecting mirror 3 and vibrator 4 including focusing microscope group 2；Focusing microscope group 2 includes multiple focusing lens disposed in parallel,
To focus to laser beam, change the spot size of laser beam, to adjust the size and power density of laser beam, hot spot ruler
Very little adjustable extent is 1cm~10cm.Reflecting mirror 3 is arranged on vibrator 4, drives reflecting mirror 3 to vibrate when vibrator 4 vibrates,
When reflecting mirror 3 vibrates, so that the laser beam reflected through reflecting mirror 3 is shaken, realize simulated laser beam in practical application scene
In dither state so that the test result of laser irradiating effects closer to it is in practical application as a result, improve laser irradiation
The reliability of effect test system.The vibration frequency range of vibrator 4 is 1Hz~100Hz.
The 3rd embodiment provided according to the present invention, as shown in Figure 1,
The difference of a kind of laser irradiating effects pilot system, the present embodiment and above-mentioned the first embodiment or the second embodiment exists
In:
Atmospheric effect simulation mechanism 5 includes pond body:
The bottom of the pond body is equipped with heating component, and the top of the pond body is equipped with cooling component, so that the pond body
Formation temperature is poor between top and bottom；
The two sides of the pond body are equipped with loophole, and the loophole is equipped with optical flat lens, are used for the laser beam
Injection and injection.
Specifically, the present embodiment is the preferred embodiment of above-mentioned the first embodiment or the second embodiment, right in the present embodiment
The structure of atmospheric effect simulation mechanism 5 is described in detail.About atmosphere analogy method there are many kinds of, mainly have based on liquid
Brilliant Atmosphere Turbulence Simulator, based on random phase partially and hot wind convection type atmospheric turbulence simulation device etc..Atmospheric turbulance mould
The turbulence intensity of quasi- device can be measured by coherence length, and plane wave is met:
Wherein, λ is optical wavelength,For the mean refractive index structural constant in transmission path, L is path-length,
And mean refractive index structural constantBetween with temperature structure constantCorrelation meets:
Wherein, n is refractive index, and t is temperature, and unit is DEG C atmospheric turbulence simulation device principle, that is, institute as above in laboratory
It states.
Based on principles above, the atmospheric effect simulation mechanism 5 of the present embodiment includes pond body, and the side of pond body is by high temperature insulating
Board group at, it is possible to reduce pond body shows and external heat exchange, pool bottom be equipped with heating component, heating component is heating plate, lead to
Electrified regulation is crossed, the top of pond body is equipped with cooling component, achievees the purpose that refrigeration by tap water or circulating for cooling water,
Make the room temperature kept constant at the top of pond body.That is pool bottom flat heater, head slab refrigeration, thus can be on the top of pond body
Temperature difference between parallel flat, generates convection current, forms turbulent flow when temperature difference reaches a certain level above and below being formed between portion and bottom,
After laser beam enters pond body, influence of the atmospheric turbulance to laser beam can be simulated.5 analog of atmospheric effect simulation mechanism is big
Gas refractive index structure parameter range 10-13~10-16m-2/3。
The two sides of pond body are equipped with loophole, and loophole is equipped with optical flat lens, realizes the transmission of laser beam.It is preferred that
Ground can also be arranged optical refractive lenses in the two sides of loophole, be transmitted with increasing laser beam under atmospheric environment in a limited space
Distance.
The fourth embodiment provided according to the present invention, as shown in Figures 1 to 3,
A kind of laser irradiating effects pilot system, the present embodiment and above-mentioned the first embodiment or the second embodiment or third are real
The difference for applying example is:
The irradiation effect measuring mechanism includes spectroscope 12 and laser measurer 9:
The spectroscope 12 is arranged between the atmospheric effect simulation mechanism 5 and the target regulating mechanism 7, is used for
The laser beam projected from the atmospheric effect simulation mechanism 5 is divided into first laser beam and second laser beam；
Laser measurer 9 described in the first laser beam directive, target 6 described in the second laser beam directive；
The laser measurer 9, for measuring the energy of the first laser beam, and according to the energy of the first laser beam
The splitting ratio of amount and the first laser beam and the second laser beam, calculates the energy of the second laser beam.
Specifically, the present embodiment is the optimal enforcement example of above-mentioned first embodiment, second embodiment, 3rd embodiment, point
Light microscopic 12 is divided the laser beam projected from atmospheric effect simulation mechanism 5, and laser beam is divided into first laser beam and second
Laser beam, so that first laser beam directive laser measurer 9, the surface of second laser beam homed on its target 6, first laser beam and
The light splitting ratio of dual-laser beam can be set in advance, since laser measurer 9 is intended merely to measurement irradiation on 6 surface of target
The energy of second laser beam, therefore, the light splitting ratio of first laser beam are smaller, if first laser beam is the 0.5% of laser beam, the
Dual-laser beam is the 99.5% of laser beam, Laser Measuring measure first laser beam energy (hot spot distribution situation and hot spot
Power density) after, according to the system calibrating value of the splitting ratio and laser measurer 9 of first laser beam and second laser beam, i.e.,
The energy of second laser beam can be calculated.The present embodiment measures the energy of first laser beam by laser measurer 9, can measure spoke
The laser beam energy in target 6 is impinged upon, in conjunction with the degree of impairment of target 6, relevant test data can be obtained, so as to subsequent
The test data that follows up carries out further investigation and theory analysis.
Preferably, the irradiation effect measuring mechanism further include:
Temperature measurement device 10, when irradiating the target 6 for measuring the second laser beam, the temperature of the target 6 becomes
Change；
High-speed camera 11, when irradiating the target 6 for shooting the second laser beam, the shape on 6 surface of target
Looks variation.
Specifically, temperature measurement device 10 is arranged in target 6, when for measuring second laser beam illuminated target 6, target 6
Temperature variations, high-speed camera 11 is arranged in the side of the optical path of second laser beam, and high-speed camera 11 and second swashs
The angle of the optical path of light beam can accurately take the pattern on 6 surface of target less than 10 degree, to guarantee high-speed camera 11 both
Variation, and can not be influenced and be damaged by second laser beam.
It preferably, further include cut-off screen 13, the cut-off screen 13 is arranged in the first laser beam through the laser measurement
In optical path after the reflection of device 9.Cut-off screen 13 is for absorbing the laser energy after the reflection of laser measurer 9, with protection test people
The safety of member and testing equipment.
Preferably, the horizontal axis of laser measurer 9 and the laser beam projected from the atmospheric effect simulation mechanism 5
Optical path angle less than 10 degree.
Preferably, the air-flow environment simulation mechanism 8 includes nozzle and gas reservoir；
One end of the nozzle is connected to setting with the gas reservoir, and the other end of the nozzle is towards the target 6
Setting.
Specifically, gas reservoir is for storing gas, and one end of nozzle is connected to setting with gas reservoir, nozzle it is another
One end is arranged towards target 6, when actual tests, the gas that can be sprayed by changing nozzle, to measure different air-flow environments pair
The influence of 6 damage status of target.As nozzle spray gas be oxygen when, due to oxygen can accelerated combustion, target 6 can be made
The damage on surface is more serious, and the gas sprayed such as nozzle is nitrogen, due to nitrogen can oxygen in air-isolation, target can be slowed down
6 damage；Therefore, by changing the type of gas, it can measure damage of the laser beam to target 6 under different air-flow environments
Situation.The air-flow environment of 8 analog 0m/s~100m/s intensity of air-flow environment simulation mechanism.
The 5th embodiment provided according to the present invention, as shown in Figures 1 to 3,
A kind of laser irradiating effects pilot system, comprising:
Laser body 1, for emitting laser beams；
The side of the laser body 1 is arranged in laser beam regulating mechanism, for adjusting the laser beam of transmitting
Parameter；The laser beam regulating mechanism includes focusing microscope group 2；
The focusing microscope group 2 includes multiple focusing lens disposed in parallel, the focusing microscope group 2, for adjusting the laser
The size and power density of beam；
The laser beam regulating mechanism further includes reflecting mirror 3 and vibrator 4；
Side of the focusing microscope group 2 far from the laser body 1 is arranged in the vibrator 4；
The setting of reflecting mirror 3 is vibrated on the vibrator 4, and with the vibration of the vibrator 4；The reflecting mirror
3, for reflecting the laser beam, the laser beam is made to inject the atmospheric effect simulation mechanism 5；
The optical path of the laser beam after laser beam regulating mechanism adjusting is arranged in atmospheric effect simulation mechanism 5
On, for simulating influence of the atmosphere to the laser beam after adjustment parameter in transmission process；The atmospheric effect analog machine
Structure 5 includes pond body:
The bottom of the pond body is equipped with heating component, and the top of the pond body is equipped with cooling component, so that the pond body
Formation temperature is poor between top and bottom；
The two sides of the pond body are equipped with loophole, and the loophole is equipped with optical flat lens, are used for the laser beam
Injection and injection；
The two sides of the loophole are provided with optical refractive lenses；
One of the atmospheric effect simulation mechanism 5 far from the laser beam regulating mechanism is arranged in target regulating mechanism 7
Side for fixing target 6, and adjusts the positional relationship of the laser beam of the target 6 with irradiation in the target 6；
Air-flow environment simulation mechanism 8 is arranged in 7 side of target regulating mechanism, for simulating around the target 6
Air flow condition；
Irradiation effect measuring mechanism irradiates the energy of the laser beam in the target 6 and described for measuring
When laser beam irradiates the target 6, the degree of impairment of the target 6；
The irradiation effect measuring mechanism includes spectroscope 12 and laser measurer 9:
The spectroscope 12 is arranged between the atmospheric effect simulation mechanism 5 and the target regulating mechanism 7, is used for
The laser beam projected from the atmospheric effect simulation mechanism 5 is divided into first laser beam and second laser beam；
Laser measurer 9 described in the first laser beam directive, target 6 described in the second laser beam directive；
The laser measurer 9, for measuring the energy of the first laser beam, and according to the energy of the first laser beam
The splitting ratio of amount and the first laser beam and the second laser beam, calculates the energy of the second laser beam；
The irradiation effect measuring mechanism further include:
Temperature measurement device 10, when irradiating the target 6 for measuring the second laser beam, the temperature of the target 6 becomes
Change；
High-speed camera 11, when irradiating the target 6 for shooting the second laser beam, the shape on 6 surface of target
Looks variation；
The horizontal axis of the laser measurer 9 and the laser beam from the atmospheric effect simulation mechanism 5 injection
The angle of optical path is less than 10 degree；
The air-flow environment simulation mechanism 8 includes nozzle and gas reservoir；
One end of the nozzle is connected to setting with the gas reservoir, and the other end of the nozzle is towards the target 6
Setting；
The system of the present embodiment further includes cut-off screen 13, and 13 setting of cut-off screen swashs in the first laser beam through described
In optical path after the reflection of flash ranging measuring device 9.
Specifically, when test, experiment process are as follows:
(1) 1 self-test of laser body
Laser body 1 (i.e. laser) device power self-test is completed, laser control software is opened, determines that software is transported
The normal, control button of row etc. is working properly, and laser has light state out.
(2) optical system is aligned
Focusing microscope group 2 and reflecting mirror 3 are adjusted according to the instruction light on laser body 1, makes the axis and tune that indicate light
The axis of burnt microscope group 2 is overlapped, while the axis for indicating light being made to be located at the center of reflecting mirror 3.
(3) atmospheric environmental parameters are set
The running parameter for setting atmospheric effect simulation mechanism 5, by taking hot wind convection type atmospheric turbulance pond as an example, by atmospheric environment
Parameter conversion is the temperature difference at the top and bottom of pond body, then according to the work temperature at the top of the temperature difference and pond body being calculated
Degree, sets the temperature of pool bottom.
(4) target adjustment
Level vertically moves target regulating mechanism 7, and the instruction light of laser body 1 is made to be located at the center of target 6,
Target regulating mechanism 7 is gone to, adjusts laser beam to the strike position of target 6 and incident angle.
(5) flow fields environment is established
Laser irradiation potency test under air-flow environment is simulated using air-flow environment simulation mechanism 8.It is with tangential gas flow environment
Example, other air-flow environments can be realized by adjusting nozzle location, and according to test requirements document, oxygen, nitrogen or other types may be selected
Gas access nozzle.Nozzle location is adjusted, makes the edge 5cm of nozzle distance objective 6 in the horizontal direction, in vertical direction
6 front surface of distance objective (laser irradiated surface) 10cm.Air velocity parameter is set, air-flow environment simulation mechanism 8 is made to have test
State.
(6) pilot system is built
Laser measurer 9 and the angled placement of laser beam, the axis and laser beam axis angle of laser measurer 9 are not
Greater than 10 degree.Cut-off screen 13 is placed along the reflected light axis direction, the 30cm apart from laser measurer 9 of first laser beam, is made
The hot spot of reflected light is located at the center of cut-off screen 13.
Temperature measurement device 10 is debugged, temperature measurement device 10 is temperature thermocouple, and temperature thermocouple is laid in target 6 as required
Signal transmssion line is separately connected temperature thermocouple and data processing terminal by the back side.
Axis (optical path) angle of placement high-speed camera 11,11 axis of high-speed camera and second laser beam is not more than 10
Degree, 11 distance objective of high-speed camera 6 front surface (laser irradiated surface) 50cm.
(7) pilot system combined debugging
Before on-test, atmospheric effect simulation system is opened, after the system stabilizes, starts laser measurer 9, temperature measurement
Device 10 starts to acquire data, and laser goes out dim light (generally tens of watts), the position of the laser beam spot on 6 surface of object observing,
If hot spot exceeds the full-size of target 6, need through 6 position of target adjustment institutional adjustment target.Open high-speed camera
11,6 surface topography label of target is recorded, if the hot spot of laser beam exceeds the visual field of high-speed camera 11, is needed along axis side
To adjustment high-speed camera 11.After the completion of joint debugging, formal test can be started.
(8) carry out laser irradiation test
According to required laser beam size and power density, 2 movable lenses of focusing microscope group are adjusted, setting vibrator 4
Vibration frequency.Starting laser measurer 9, temperature measurement device 10 start to acquire data.Laser is according to regulation power output laser
Beam, while laser is closed after opening high-speed camera 11,8 seconds.3 seconds after stopping laser irradiation, laser measurer 9, temperature are closed
Measuring appliance 10 and high-speed camera 11 are risen, atmospheric effect simulation mechanism 5 is closed.
(9) experimental data processing
Record and save experimental test result.It is calculated according to 9 calibration value of laser measurer and 12 splitting ratio of spectroscope
Laser parameter at target 6.It is carved when going out light in conjunction with laser and 6 temperature rise data of target obtains laser irradiation object time-temperature rise
Curve.Quarter and 11 frame frequency of high-speed camera, obtain the image data of laser irradiation target when going out light in conjunction with laser.It is subsequent, it can
Carry out further investigation and theory analysis according to test data.
Present system can equip practical application scene with simulated laser, meet and repeat to carry out verifying examination under laboratory condition
The demand tested.To study under practical application scene, laser power level, the shake of system pointing, atmospheric turbulence effect, target physical
The influence degree that the factors such as characteristic equip irradiation efficiency to laser provides effective research technique.The device is also further investigation laser
Equip new lesions mode, obtain laser damage threshold and irradiation efficiency provide supplementary means, be laser equipment parameter demonstration with
One of important support condition of system development has important practical usage.
It should be noted that above-described embodiment can be freely combined as needed.The above is only of the invention preferred
Embodiment, it is noted that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, several improvements and modifications can also be made, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (10)
1. a kind of laser irradiating effects pilot system characterized by comprising
Laser body, for emitting laser beams；
The side of the laser body is arranged in laser beam regulating mechanism, the ginseng of the laser beam for adjusting transmitting
Number；
Atmospheric effect simulation mechanism is arranged in the optical path of the laser beam after laser beam regulating mechanism adjusting, uses
In the simulation influence of atmosphere to the laser beam after adjustment parameter in transmission process；
Target regulating mechanism is arranged in side of the atmospheric effect simulation mechanism far from the laser beam regulating mechanism, is used for
Fixed target, and adjust the positional relationship of the laser beam of the target and irradiation in the target；
Air-flow environment simulation mechanism is arranged in target regulating mechanism side, for simulating the air-flow shape around the target
State；
Irradiation effect measuring mechanism, for measuring the energy and the laser that irradiate the laser beam in the target
When beam irradiates the target, the degree of impairment of the target.
2. a kind of laser irradiating effects pilot system according to claim 1, which is characterized in that the laser beam adjusts machine
Structure includes focusing microscope group；
The focusing microscope group includes multiple focusing lens disposed in parallel, and the focusing microscope group is used to adjust the size of the laser beam
And power density.
3. a kind of laser irradiating effects pilot system according to claim 2, which is characterized in that the laser beam adjusts machine
Structure further includes reflecting mirror and vibrator；
Side of the focusing microscope group far from the laser body is arranged in the vibrator；
The reflecting mirror setting is vibrated on the vibrator, and with the vibration of the vibrator；The reflecting mirror, for anti-
The laser beam is penetrated, the laser beam is made to inject the atmospheric effect simulation mechanism.
4. a kind of laser irradiating effects pilot system according to claim 1, which is characterized in that the atmospheric effect simulation
Mechanism includes pond body:
The bottom of the pond body is equipped with heating component, and the top of the pond body is equipped with cooling component, so that the top of the pond body
Formation temperature is poor between bottom；
The two sides of the pond body are equipped with loophole, and the loophole is equipped with optical flat lens, for penetrating for the laser beam
Enter and projects.
5. a kind of laser irradiating effects pilot system according to claim 3, which is characterized in that the two sides of the loophole
It is provided with optical refractive lenses.
6. a kind of laser irradiating effects pilot system according to claim 1, which is characterized in that the irradiation effect measurement
Mechanism includes spectroscope and laser measurer:
The spectroscope is arranged between the atmospheric effect simulation mechanism and the target regulating mechanism, for will be from described
The laser beam that atmospheric effect simulation mechanism projects is divided into first laser beam and second laser beam；
Laser measurer described in the first laser beam directive, target described in the second laser beam directive；
The laser measurer, for measuring the energy of the first laser beam, and according to the energy of the first laser beam, with
And the splitting ratio of the first laser beam and the second laser beam, calculate the energy of the second laser beam.
7. a kind of laser irradiating effects pilot system according to claim 6, which is characterized in that the irradiation effect measurement
Mechanism further include:
Temperature measurement device, when irradiating the target for measuring the second laser beam, the temperature change of the target；
High-speed camera, when irradiating the target for shooting the second laser beam, the pattern variation of the target surface.
8. a kind of laser irradiating effects pilot system according to claim 6, which is characterized in that further include cut-off screen, institute
It states cut-off screen and the first laser beam is set in the optical path after laser measurer reflection.
9. a kind of laser irradiating effects pilot system according to claim 6, which is characterized in that the laser measurer
The angle of the optical path of horizontal axis and the laser beam projected from the atmospheric effect simulation mechanism is less than 10 degree.
10. a kind of laser irradiating effects pilot system according to claim 1, which is characterized in that
The air-flow environment simulation mechanism includes nozzle and gas reservoir；
One end of the nozzle is connected to setting with the gas reservoir, and the other end of the nozzle is arranged towards the target.
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