CN207943184U - Laser-Electrostatic Field Coupling Thruster Based on Virtual Magnetic Nozzle - Google Patents
Laser-Electrostatic Field Coupling Thruster Based on Virtual Magnetic Nozzle Download PDFInfo
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- CN207943184U CN207943184U CN201820272053.2U CN201820272053U CN207943184U CN 207943184 U CN207943184 U CN 207943184U CN 201820272053 U CN201820272053 U CN 201820272053U CN 207943184 U CN207943184 U CN 207943184U
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Abstract
The laser-electrostatic field coupling thruster based on the virtual magnetic nozzle comprises a laser system, an electrostatic field assembly and a magnetic field assembly; the electrostatic field component comprises an electrostatic field accelerating power supply, an electrostatic field accelerating anode and an electrostatic field accelerating cathode, the working medium is arranged in the magnetic field of the magnetic field component and is parallel and opposite to the electrostatic field accelerating cathode, and the magnetic field component can generate a magnetic field vertical to the working medium; a round hole for a laser beam to pass through is formed in the magnetic field assembly, the focused laser beam emitted by the laser system passes through the round hole in the magnetic field assembly and is vertically incident on a working medium in the magnetic field assembly, and the working medium parallel and opposite to the accelerating negative electrode of the electrostatic field is ablated to generate laser plasma; the magnetic field perpendicular to the working medium and generated by the magnetic field assembly forms a virtual spray pipe for limiting the expansion of the laser plasma, and the electrostatic field accelerates the laser plasma to spray out so as to form thrust. The thrust adjusting device has the advantages of simple structure, high specific impulse, high reliability, high thrust adjustability and the like.
Description
Technical field
The utility model is related to a kind of to keep for the lifting track of Modern Small Satellites, position, gesture stability and networking fly
The novel thruster of the accurate thrust of grade offers more particularly to a kind of utilization laser ablation solid working medium generate laser ablation plasma
Then body is utilized magnetic field to form the virtual jet pipe of limitation Cathode plasma explosion, while being added using electrostatic field plasma
The microthruster of speed.
Background technology
Modern Small Satellites are with light-weight, small, the lead time is short, functional density is big, transmitting is flexible, at low cost, group
The advantages such as net is very fast, survival ability is strong, at civilian aspect in space communication and navigation, high-resolution remote sensing of the earth, science
The fields such as research and technology verification, survey of deep space, colleges and universities' training have played important function, at military aspect to processing burst thing
Part, space control are used with strength and the combined operation etc. of IT-based warfare produce great influence.And with modern little Wei
The further development of star technology, it will play an increasingly important role at military-civil aspect.Therefore, countries in the world are to modern small
Satellite technology is paid much attention to.
With Technology of Modern Small Satellites fast development, especially Small Satellite Formation Flying or networking flight and moonlet orbit maneuver
Requirement, there is an urgent need to develop the autonomous control technology for Modern Small Satellites.The autonomous control technology of Modern Small Satellites includes
Active force controls and by dynamic Control, although can be in the case where not consuming the satellite energy to Modern Small Satellites by dynamic Control
Track is kept and the offers controls such as gesture stability, but its control accuracy is low, and cannot be satisfied different task demand to modern small
The needs of satellite mobility.Therefore, researcher has carried out the active force control in Modern Small Satellites autonomous control technology big
Quantifier elimination.Active force control generally comprises very small chemical fuel thruster, miniature electric thruster, reaction wheel, control moment
Gyro etc. is highly suitable for the modern times wherein miniature electric thruster has many advantages, such as than leaping high, smallest element momentum is small, adjustable thrust
Moonlet.
For laser plasma micro-thruster (abbreviation μ LPT) as one kind in miniature electric thruster, it is using after focusing
Laser deep welding agent surface generate and generate the micro- of thrust comprising the small ejecta such as plasma, gas, neutral particle
Thruster.It has the characteristics that compared with other thrusters：
(1) quality is small, small, small power consumption.With the development of laser, light weight, laser small, power is small
Sufficiently high laser intensity can be generated after focusing system focuses to make ablation working medium generate plasma.Meanwhile laser
Inactivity consumes when standby.
(2) smallest element momentum is smaller, and momentum easily adjusts and range is wide.μ LPT can be by changing laser intensity and pulsewidth
Size changes impulse bit, and the impulse bit that experiment measures may span across 5 orders of magnitude, and smallest element momentum is 1nN
s。
(3) ratio is leapt high.The typical specific impulse that experiment measures when doing working medium using polymer at present is higher than 500s, and maximum specific impulse can
Up to 1000~2000s, this is far above traditional chemical microthruster.
(4) thrust is small, wide and controllable across range.μ LPT can be by changing laser intensity, pulsewidth and pulsed operation
Frequency controls the size of thrust, and thrust minimum can reach sub-micro ox magnitude, using special working medium thrust maximum up to hundred
Milli ox magnitude or higher.
(5) reliability is high.On the one hand, for laser as the critical component in μ LPT, stable work time is more than 1,000,000
Hour；On the other hand, phenomena such as not will produce sputtering or corrosion in the μ LPT courses of work, this guarantees the reliable of the thruster
Property.
(6) simple in structure.Compared with other thrusters, μ LPT do not need averager, heater, high voltage installation, storage tank
With valve etc., therefore its is simple in structure and compact.
But there is also some problems by μ LPT.First, there are the big phenomenon of plume dispersion area, this appearances when μ LPT work
Plume is easily caused by the other components of thruster to be stopped；Secondly, μ LPT work shows there are plume is not vertical with working medium ablation face
As this can cause the waste of part thrust.Although both of these problems can limit plume by the way that physics jet pipe is added,
But this can increase the weight of thruster and may increase the difficulty of thruster design.Finally, the specific impulse of μ LPT need into
One step improves.
Utility model content
For plume dispersion area existing for existing μ LPT is big, the phenomenon vertical with working medium ablation face and specific impulse do not have plume
The problems such as to be improved, the utility model aim are to provide a kind of laser based on virtual magnetic nozzle-Electrostatic Field Coupling thruster.
To realize the purpose of the utility model, the performance of μ LPT is improved, is achieved using following technical scheme：
Laser based on virtual magnetic nozzle-Electrostatic Field Coupling thruster, including laser system, electrostatic field assembly, magnetic field group
Part；The electrostatic field assembly includes that electrostatic field accelerating power source, electrostatic field acceleration anode and electrostatic field accelerate cathode, the electrostatic
The positive and negative terminal of field accelerating power source connects electrostatic field by conducting wire respectively and anode and electrostatic field acceleration cathode, the electrostatic field is accelerated to add
Fast anode and electrostatic field accelerate cathode to be oppositely arranged in parallel inside the magnetic field of magnetic field component, and electrostatic field accelerating power source is electrostatic field
Accelerate anode and electrostatic field that cathode is accelerated to be powered, accelerate anode and electrostatic field to accelerate to establish potential difference between cathode in electrostatic field,
To form electrostatic field therebetween, accelerated with the laser plasma generated to laser ablation working medium；
The working medium is arranged inside the magnetic field of magnetic field component and accelerates cathode parallel opposite with electrostatic field, the magnetic field group
Part can be generated perpendicular to the magnetic field of working medium；The circular hole passed through for laser beam, the laser system hair are offered in magnetic field component
Laser beam after the focusing penetrated passes through the circular hole in magnetic field component to impinge perpendicularly in the working medium in magnetic field component, ablation and electrostatic
Field accelerates the parallel opposite working medium of cathode and generates laser plasma；What magnetic field component generated forms perpendicular to the magnetic field of working medium
The virtual jet pipe of laser plasma expansion is limited, electrostatic field accelerates anode and electrostatic field to accelerate the electrostatic field pair between cathode
Laser plasma carries out accelerating to spray and then forms thrust.
Further, magnetic field component described in the utility model includes two blocks of magnet being oppositely arranged in parallel, two pieces of parallel phases
The magnet of setting can be generated perpendicular to the magnetic field of working medium, which forms the virtual spray of limitation laser plasma expansion
Pipe plays the role of constraining plasma plume.
Further, laser system described in the utility model include to thruster export pulse laser pulse laser and
Beam adjustment system, the beam adjustment system is arranged in the front of pulse laser, for launching pulse laser
Pulse laser be focused.
Further, the utility model further includes control system and electric power processing system, and control system is handled with power supply
System connects, and electric power processing system connects electrostatic field accelerating power source, pulse laser, and electric power processing system is according to control system
Instruction provides required electric energy for electrostatic field accelerating power source, pulse laser.Control system is controlled by electric power processing system
The output voltage of electrostatic field accelerating power source processed, the output voltage size by changing electrostatic field accelerating power source add to change electrostatic field
Fast anode and electrostatic field accelerate the potential difference between cathode, to change the size of electrostatic field between the two, and then change equity
The effect that gas ions accelerate is finally reached the effect of adjustment propulsive performance.
The effect of control system is controlled electric power processing system, beam adjustment system and pulse laser, to press
According to space tasks demand carry out spot size after output voltage, laser parameter and focusing to each power-consuming component, position carries out
It adjusts, to change the related propulsive performance of thruster.Pulse laser, beam adjustment system are connect with control system, control
The work of system control pulse laser processed, and control system can adjust pulse laser by controlling beam adjustment system
Spot size and focus position after its focusing of beam.The effect of pulse laser is to export pulse laser to thruster,
The laser parameter (such as pulsed laser energy, pulsewidth, wavelength, working frequency etc.) of output can be adjusted by control system
Section, to control the size of propulsive performance, to complete different mission requirements.
Further, further include working substance supply device, the working substance supply device is connect with working medium, can be continual
Working medium is provided for thruster, to update ablation position, ensures that there is more identical ablation condition under same laser ablation conditions,
So that it is guaranteed that more identical ablation resultant, and then ensure to provide accurately thrust.Working medium can be that copper, aluminium, silver, iron etc. can be
Be easy in space environment storage and can by laser ablation generate plasma conductive solids material, so unlike using gas,
Liquid needs the systems such as propellant tank, valve and pipeline like that as the thruster of working medium, and therefore, thruster can be very simple
It is single and compact.
It can be the conductive solids materials such as copper, aluminium, silver, iron that the electrostatic field, which accelerates positive and negative electrode, its effect is and working medium
Relative potential difference is formed, to form electrostatic field therebetween, and then the plasma generated to laser ablation accelerates.
As a kind of embodiment of the utility model, anode is accelerated to use as electrostatic field simultaneously working medium, electrostatic field
It is working medium to accelerate anode, and the positive and negative terminal of electrostatic field accelerating power source connects working medium by conducting wire respectively and electrostatic field accelerates cathode,
Working medium and electrostatic field accelerate to establish potential difference between cathode, to form electrostatic field therebetween；1# magnetic in magnetic field component
Being sticked on the inside of iron has electrostatic field to accelerate cathode, and being sticked on the inside of 2# magnet has working medium, 1# magnet, 2# magnet, working medium and quiet
The center of electric field acceleration cathode is on the same axis；Working medium and electrostatic field accelerate cross sectional shape, the area of section of cathode homogeneous
Together；
Electrostatic field accelerates the center of cathode to be overlapped with the center of 1# magnet and offer one in the center of the two
The circular hole penetrated is worn for laser；Laser beam after the focusing of the laser system fires passes through 1# magnet and electrostatic field to accelerate cathode
The circular hole that opens up of center position impinge perpendicularly on the center for accelerating the parallel opposite working medium of cathode with electrostatic field, burn
It loses working medium and generates laser plasma；Between two blocks of magnet being oppositely arranged in parallel limitation laser is formed perpendicular to the magnetic field of working medium
The virtual jet pipe of Cathode plasma explosion, working medium and electrostatic field accelerate the electrostatic field between cathode to add laser plasma
Speed, the circular hole that the laser plasma after acceleration accelerates cathode and its center of 1# magnet to open up from electrostatic field spray, into
And form thrust.
Laser system described in above-mentioned this embodiment further includes plume protective device, and plume protective device is located at light beam
The front of regulating system and pulse laser, specifically, plume protective device are being located at beam adjustment system its output end just
Front.It is the plume for stopping thruster and generating that it, which is acted on, prevent beam adjustment system and pulse laser by particle in plume,
The pollution of gas and plasma, to influence its working condition.
Another embodiment as the utility model：Being sticked on the inside of 1# magnet in magnetic field component has electrostatic field acceleration
Cathode, being sticked on the inside of 2# magnet has electrostatic field to accelerate anode, electrostatic field that cathode and electrostatic field is accelerated to accelerate anode facing each other
And the cross sectional shape, area of section all same of the two；Cathode and electrostatic field is accelerated to accelerate to be provided with work between anode in electrostatic field
Matter, one side and the electrostatic field of the working medium accelerate cathode face, and the another side of working medium is covered with layer of transparent basal layer, institute
Stating the positive face working medium of electrostatic field acceleration, it is covered with the one side of layer of transparent basal layer；Electrostatic field accelerate anode center with
The center of 2# magnet, which overlaps and offers one in the center of the two, wears the circular hole penetrated for laser, and the electrostatic field accelerates
The center of cathode overlapped with the center of 1# magnet and the center of the two offer for after being accelerated by electrostatic field etc.
Gas ions by circular hole.
Pulse laser sends out laser input beam adjustment system, and beam adjustment system is focused it, after focusing
The circular hole that laser beam passes through 2# magnet and electrostatic field that its positive center is accelerated to open up impinges perpendicularly on the transparent base of working medium
On bottom, laser plasma is generated through ablation solid working medium after transparent base layer；Between two blocks of magnet being oppositely arranged in parallel
The virtual jet pipe that limitation laser plasma expansion is formed perpendicular to the magnetic field of working medium, electrostatic field accelerates cathode and electrostatic field to add
Electrostatic field between fast anode accelerates laser plasma, and the laser plasma after acceleration accelerates cathode from electrostatic field
And the circular hole that its center of 1# magnet opens up sprays, and then form thrust.
Compared with the existing technology, the utility model produces following advantageous effects：
1, laser ablation can make the plasma derived have the initial velocity of several thousand metres/second, with initial velocity
Plasma is further speeded up by electrostatic field, is expected to improve its propulsive performance.
2, because any solid material can act as propellant, it can be increased with the range of working medium and not need propellant
The systems such as storage tank, valve and pipeline.Meanwhile the thruster movable part is less, therefore, thruster structure is very simple, reliably
Property high, fast response time.
3, due to that can realize that the size to hot spot after laser parameter, electrostatic field voltage and focusing is carried out by control system
It adjusts, so the thruster power consumption, thrust and specific impulse adjustability higher.
4, since magnetic field component provides the high-intensity magnetic field vertical with working medium surface, it can limit the radial motion of charged particle
(Rameau radius very little), while the collision between charged particle and neutral particle also limits the radial motion of neutral particle, from
And create a virtual magnetic nozzle along magnetic field line direction.The jet pipe can make plasma plume have better direction
Property, the loss of thrust is avoided, while but also the movement velocity of plasma increases, to improve propulsive performance.
In conclusion should the laser based on virtual magnetic nozzle-Electrostatic Field Coupling thruster have it is simple in structure, than leaping high,
The advantages that reliability is high, the whole property of adjustable thrust is high, be expected to the lifting track for Modern Small Satellites, position is kept, gesture stability and
The accurate thrusts of offers such as networking flight provide feasible push away for the holding of long-time position and maneuvering flight etc. of Modern Small Satellites
Power device.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment 1；
Fig. 2 is the structural schematic diagram of embodiment 2.
Figure label：
1, control system；2, electric power processing system；3, electrostatic field accelerating power source；4, magnet；401,1# magnet；402,2# magnetic
Iron；5, working medium；6, working substance supply device；7, electrostatic field accelerates cathode；8, plume protective device；9, beam adjustment system；10, arteries and veins
Rush laser；11, transparent base layer；12, electrostatic field accelerates anode.
Specific implementation mode
Below in conjunction with the attached drawing in the utility model embodiment figure, to the technical scheme in the embodiment of the utility model into
Row clearly and completely describes, and is described in further details, but the embodiment of the utility model is not limited only to this.
Referring to Fig.1, it is the structural schematic diagram of the utility model embodiment 1.A kind of laser-electrostatic based on virtual magnetic nozzle
Field coupling thruster, including control system, electric power processing system, laser system, electrostatic field assembly, magnetic field component.In this implementation,
Anode is accelerated to use as electrostatic field simultaneously working medium, it is working medium that electrostatic field, which accelerates anode,.
Laser system includes pulse laser 10, beam adjustment system 9 and the plume protection dress for including output pulse laser
8 are set, beam adjustment system 9, its output end of beam adjustment system 9 are provided with immediately ahead of its output end of the pulse laser 10
Front be provided with plume protective device 8.The pulse laser that beam adjustment system 9 is used to launch pulse laser 10 into
Line focusing.Its effect of plume protective device is the plume for stopping thruster and generating, and prevents beam adjustment system 9 and pulse laser
10 are polluted by particle, gas and plasma in plume, to influence its working condition.
Magnetic field component include include two blocks of magnet being oppositely arranged in parallel 4 (be respectively 1# magnet 401 and 2# magnet 402)；
The inside of two blocks of magnet 4 being oppositely arranged in parallel is respectively arranged with working medium 5 and electrostatic field and accelerates cathode 7, and two pieces parallel opposite to set
The magnet 4 set can be generated perpendicular to the magnetic field of working medium 5, which forms the virtual jet pipe of limitation laser plasma expansion,
Play the role of constraining plasma plume.
The electrostatic field assembly includes electrostatic field accelerating power source 3, electrostatic field acceleration cathode 7 and working medium 5, the electrostatic field
The positive and negative terminal of accelerating power source 3 connects working medium 5 by conducting wire respectively and electrostatic field accelerates cathode 7, the working medium 5 and electrostatic field to accelerate
Cathode 7 is oppositely arranged in parallel inside the magnetic field of magnetic field component, and electrostatic field accelerating power source 3 is that working medium 5 and electrostatic field accelerate cathode 7
It is powered, accelerates to establish potential difference between cathode 7 in working medium 5 and electrostatic field, to form electrostatic field therebetween, with to laser
The laser plasma that ablation working medium generates accelerates.
Control system 1 is connect with electric power processing system 2, and electric power processing system 2 connects electrostatic field accelerating power source 3, pulse swashs
Light device 10, electric power processing system 2 are needed for electrostatic field accelerating power source 3, pulse laser 10 provide according to the instruction of control system 1
Electric energy.Control system 1 controls the output voltage of electrostatic field accelerating power source 3 by electric power processing system 2, quiet by changing
The output voltage size of electric field acceleration power supply 3 accelerates potential difference between cathode 7 to change working medium 5 and electrostatic field, to change
The size of electrostatic field between the two, and then change the effect that plasma accelerates, it is finally reached the effect of adjustment propulsive performance.
Beam adjustment system 9 and pulse laser 10 are also connect with control system 1, and control system 1 is to electric power processing system
2, beam adjustment system 9 and pulse laser 10 are controlled, with according to the demand of space tasks come to each power-consuming component
Spot size, position are adjusted after output voltage, laser parameter and focusing, to change the related propulsive performance of thruster.
Control system 1 controls the work of pulse laser 10, and control system 1 can be adjusted by controlling beam adjustment system 9
Spot size and focus position after its focusing of pulse laser beam.The effect of pulse laser 10 is to export arteries and veins to thruster
The laser parameter (such as pulsed laser energy, pulsewidth, wavelength, working frequency etc.) of impulse light, output can be by controlling system
System 1 is adjusted, to control the size of propulsive performance, to complete different mission requirements.
Referring to Fig.1, the inside of the 1# magnet 401 in magnetic field component, which is sticked, has electrostatic field to accelerate cathode 7,2# magnet 402
Inside, which is sticked, working medium 5, and 1# magnet 401,2# magnet 402, working medium 5 and electrostatic field accelerate the center of cathode 7 in same axis
On line.Working medium 5 and electrostatic field accelerate the cross sectional shape of cathode 7, area of section all same.Further include working substance supply device 6, it is described
Working substance supply device 6 is connect with working medium 5, continual can provide working medium 5 for thruster, to update ablation position, is ensured
There is more identical ablation condition under same laser ablation conditions, so that it is guaranteed that more identical ablation resultant, and then ensure
Accurately thrust is provided.It is specifically intended that working substance supply device 6, electrostatic field accelerate cathode 7, magnet 4, plume protective device
8, beam adjustment system 9, pulse laser 10 symmetry axis be on same straight line (i.e. central axes in Fig. 1), with ensure push away
Power device is in optimum Working.
Electrostatic field accelerates the center of cathode 7 to be overlapped with the center of 1# magnet and offer one in the center of the two
The circular hole penetrated is worn for laser, due to circular hole area relative to entire electrostatic field accelerate cathode 7 surface area for very little, can
It is not influenced by the circular hole with the electrostatic field and magnetic field of thinking circular hole corresponding region.Swashing after the focusing of the laser system fires
The circular hole that light beam passes through 1# magnet and electrostatic field that the center position of cathode 7 is accelerated to open up is impinged perpendicularly on to be accelerated with electrostatic field
On the center of the parallel opposite working medium 5 of cathode 7, ablation working medium generates laser plasma；Two pieces are oppositely arranged in parallel
The virtual jet pipe that limitation laser plasma expansion is formed perpendicular to the magnetic field of working medium 5 between magnet 4, working medium 5 and electrostatic field add
Electrostatic field between fast cathode 7 accelerates laser plasma, and the laser plasma after acceleration accelerates negative from electrostatic field
The circular hole that pole 7 and its center of 1# magnet open up sprays, and then forms thrust.
It is the structural schematic diagram of the utility model embodiment 2 with reference to Fig. 2.A kind of laser-electrostatic based on virtual magnetic nozzle
Field coupling thruster, including control system, electric power processing system, laser system, electrostatic field assembly, magnetic field component.
Laser system includes pulse laser 10, the beam adjustment system 9 for including output pulse laser, the pulse laser
It is provided with beam adjustment system 9 immediately ahead of its output end of device 10.Beam adjustment system 9 is for launching pulse laser 10
Pulse laser be focused.
Magnetic field component include include two blocks of magnet being oppositely arranged in parallel 4 (be respectively 1# magnet 401 and 2# magnet 402)；
The inside of two blocks of magnet 4 being oppositely arranged in parallel is respectively arranged with electrostatic field and cathode 7 and electrostatic field is accelerated to accelerate anode 12, two pieces
The magnet 4 being oppositely arranged in parallel can be generated perpendicular to the magnetic field of working medium 5, which forms limitation laser plasma expansion
Virtual jet pipe plays the role of constraining plasma plume.
The electrostatic field assembly includes that electrostatic field accelerating power source 3, electrostatic field acceleration cathode 7 and electrostatic field accelerate anode 12,
The positive and negative terminal of the electrostatic field accelerating power source 3 connects electrostatic field by conducting wire respectively and anode 12 and electrostatic field is accelerated to accelerate cathode 7,
The electrostatic field accelerates cathode 7 and electrostatic field that anode 12 is accelerated to be oppositely arranged in parallel inside the magnetic field of magnetic field component, electrostatic field
Accelerating power source 3 is that electrostatic field accelerates cathode 7 and electrostatic field that anode 12 is accelerated to be powered, and accelerates cathode 7 and electrostatic field to add in electrostatic field
Potential difference is established between fast anode 12, to form electrostatic field therebetween, with the laser etc. generated to laser ablation working medium
Gas ions accelerate.
Control system 1 is connect with electric power processing system 2, and electric power processing system 2 connects electrostatic field accelerating power source 3, pulse swashs
Light device 10, electric power processing system 2 are needed for electrostatic field accelerating power source 3, pulse laser 10 provide according to the instruction of control system 1
Electric energy.Control system 1 controls the output voltage of electrostatic field accelerating power source 3 by electric power processing system 2, quiet by changing
The output voltage size of electric field acceleration power supply 3 accelerates cathode 7 and electrostatic field to accelerate the potential between anode 12 to change electrostatic field
Difference to change the size of electrostatic field between the two, and then changes the effect that plasma accelerates, is finally reached adjustment and promotes
The effect of performance.
Beam adjustment system 9 and pulse laser 10 are also connect with control system 1, and control system 1 is to electric power processing system
2, beam adjustment system 9 and pulse laser 10 are controlled, with according to the demand of space tasks come to each power-consuming component
Spot size, position are adjusted after output voltage, laser parameter and focusing, to change the related propulsive performance of thruster.
Control system 1 controls the work of pulse laser 10, and control system 1 can be adjusted by controlling beam adjustment system 9
Spot size and focus position after its focusing of pulse laser beam.The effect of pulse laser 10 is to export arteries and veins to thruster
The laser parameter (such as pulsed laser energy, pulsewidth, wavelength, working frequency etc.) of impulse light, output can be by controlling system
System 1 is adjusted, to control the size of propulsive performance, to complete different mission requirements.
With reference to Fig. 2, the inside of the 1# magnet 401 in magnetic field component, which is sticked, has electrostatic field to accelerate cathode 7,2# magnet 402
Inside, which is sticked, has electrostatic field to accelerate 12,1# of anode magnet 401,2# magnet 402, electrostatic field that cathode 7, electrostatic field is accelerated to accelerate anode
12 center is on the same axis.Electrostatic field accelerates cathode 7 and electrostatic field to accelerate positive 12 facing each other and the two sections
Shape, area of section all same.Cathode 7 and electrostatic field is accelerated to accelerate to be provided with working medium 5, the work between anode 12 in electrostatic field
The one side of matter 5 accelerates 7 face of cathode with electrostatic field, and the another side of working medium 5 is covered with layer of transparent basal layer 11, described quiet
Electric field acceleration anode 12 face working medium 5 its be covered with the one side of layer of transparent basal layer 11.In the present embodiment, working medium 5 and thoroughly
Bright basal layer 11 is very thin, generally tens μm.Transparent base layer 11 need to use resistance to laser ablation and the good transparent material of translucency,
Such as two membrane of lipoprotein of poly terephthalic acid second, cellulose acetate film, polyimide resin film.Transparent base layer 11 and working medium
5 are bonded together, and working substance supply device 6 updates transparent base layer 11 simultaneously in more Biological process 5, to ensure more identical burning
Product is lost, and then ensures to provide accurately thrust.It is specifically intended that working medium 5, electrostatic field accelerate cathode 7, electrostatic field to accelerate just
Pole 12, magnet 4, beam adjustment system 9, pulse laser 10 symmetry axis be on same straight line (i.e. central axes in Fig. 2),
To ensure that thruster is in optimum Working.
Electrostatic field accelerates the center of anode 12 to overlap with the center of 2# magnet 402 and opened up in the center of the two
There is one to wear the circular hole penetrated for laser, due to circular hole area relative to entire electrostatic field accelerate anode 12 surface area for very little,
It can be considered that the electrostatic field of circular hole corresponding region and magnetic field are not influenced by the circular hole.The electrostatic field accelerates cathode 7
Center overlaps with the center of 1# magnet 401 and is offered for the plasma after being accelerated by electrostatic field in the center of the two
Body by circular hole.
Embodiment 2 is a kind of laser based on virtual magnetic nozzle-Electrostatic Field Coupling thruster of transmission mode, embodiment 1
For a kind of laser based on virtual magnetic nozzle-Electrostatic Field Coupling thruster of reflective-mode.Reflection mould is not present in transmission mode
Pollution of the plume to beam adjustment system and pulse laser when formula, therefore embodiment 2 does not need plume protective device.Meanwhile
Interference phenomenon of the ejecta to incident laser when reflective-mode being not present under the transmission mode.
With reference to Fig. 2, pulse laser sends out laser input beam adjustment system, and beam adjustment system is focused it,
Laser beam after focusing passes through 2# magnet 402 and electrostatic field that positive 12 its center is accelerated to open up circular hole and impinges perpendicularly on work
On the transparent base layer 11 of matter 5, laser plasma is generated through ablation solid working medium 5 after transparent base layer 11；Two pieces parallel
The virtual jet pipe that limitation laser plasma expansion is formed perpendicular to the magnetic field of working medium 5 between the magnet 4 being oppositely arranged, electrostatic field
Accelerate cathode 7 and electrostatic field that the electrostatic field between anode 12 is accelerated to accelerate laser plasma, the laser etc. after acceleration
The circular hole that gas ions accelerate cathode 7 and its center of 1# magnet 401 to open up from electrostatic field sprays, and then forms thrust.
In conclusion although the utility model has been disclosed with preferred embodiment as above, so it is not limited to this practicality
It is novel, any those of ordinary skill in the art, without departing from the spirit and scope of the utility model, when can make it is various change with
Retouching, therefore the scope of protection of the utility model is subject to the range defined depending on claims.
Claims (10)
1. the laser based on virtual magnetic nozzle-Electrostatic Field Coupling thruster, it is characterised in that：Including laser system, electrostatic field group
Part, magnetic field component；
The electrostatic field assembly includes that electrostatic field accelerating power source, electrostatic field acceleration anode and electrostatic field accelerate cathode, described quiet
The positive and negative terminal of electric field acceleration power supply connects electrostatic field by conducting wire respectively and anode and electrostatic field is accelerated to accelerate cathode, the electrostatic field
Accelerate anode and electrostatic field that cathode is accelerated to be oppositely arranged in parallel inside the magnetic field of magnetic field component, electrostatic field accelerating power source is electrostatic
Field accelerates anode and electrostatic field to accelerate cathode energization, accelerates anode and electrostatic field to accelerate to establish potential between cathode in electrostatic field
Difference is accelerated to form electrostatic field therebetween with the laser plasma generated to laser ablation working medium；
The working medium is arranged inside the magnetic field of magnetic field component and accelerates cathode parallel opposite with electrostatic field, the magnetic field component energy
It is enough to generate perpendicular to the magnetic field of working medium；The circular hole passed through for laser beam is offered in magnetic field component, the laser system fires
Laser beam after focusing passes through the circular hole in magnetic field component to impinge perpendicularly in the working medium in magnetic field component, and ablation adds with electrostatic field
The parallel opposite working medium of fast cathode and generate laser plasma；What magnetic field component generated forms limitation perpendicular to the magnetic field of working medium
The virtual jet pipe of laser plasma expansion, electrostatic field accelerate anode and electrostatic field to accelerate the electrostatic field between cathode to laser
Plasma carries out accelerating to spray and then forms thrust.
2. the laser based on virtual magnetic nozzle-Electrostatic Field Coupling thruster according to claim 1, it is characterised in that：Institute
It includes exporting the pulse laser of pulse laser, beam adjustment system to thruster to state laser system, the pulse laser its
Beam adjustment system is provided with immediately ahead of output end.
3. the laser based on virtual magnetic nozzle-Electrostatic Field Coupling thruster according to claim 2, it is characterised in that：Also
Including control system and electric power processing system, control system and pulse laser, beam adjustment system and power supply processing system
System connection, electric power processing system connect electrostatic field accelerating power source, pulse laser, electric power processing system according to control system finger
Order provides required electric energy for electrostatic field accelerating power source, pulse laser；Control system controls the work of pulse laser, and controls
System processed can be adjusted by controlling beam adjustment system pulse laser beam its focusing after spot size and focus point
Position.
4. the laser based on virtual magnetic nozzle-Electrostatic Field Coupling thruster according to claim 1,2 or 3, feature exist
In：The magnetic field component includes two blocks of magnet being oppositely arranged in parallel, respectively 1# magnet and 2# magnet, and two pieces parallel opposite to set
The magnet set can be generated perpendicular to the magnetic field of working medium.
5. the laser based on virtual magnetic nozzle-Electrostatic Field Coupling thruster according to claim 4, it is characterised in that：Also
Including working substance supply device, the working substance supply device is connect with working medium, continual can provide working medium for thruster；Institute
It is copper, aluminium, silver or iron to state working medium.
6. the laser based on virtual magnetic nozzle-Electrostatic Field Coupling thruster according to claim 5, it is characterised in that：Institute
Stating electrostatic field accelerates anode i.e. working medium, working medium to accelerate anode to use as electrostatic field simultaneously, the positive and negative terminal of electrostatic field accelerating power source
Working medium is connected by conducting wire respectively and electrostatic field accelerates cathode, accelerates to establish potential difference between cathode in working medium and electrostatic field, from
And electrostatic field is formed therebetween；
Being sticked on the inside of 1# magnet in magnetic field component has electrostatic field to accelerate cathode, and being sticked on the inside of 2# magnet has working medium, 1# magnetic
Iron, 2# magnet, working medium and electrostatic field accelerate the center of cathode on the same axis；Working medium and electrostatic field accelerate cutting for cathode
Face shape, area of section all same；
Electrostatic field accelerates the center of cathode to be overlapped with the center of 1# magnet and offers one for swashing in the center of the two
Light wears the circular hole penetrated；Laser beam after the focusing of the laser system fires passes through 1# magnet and electrostatic field to accelerate in cathode
The circular hole opened up at heart position impinges perpendicularly on the center of opposite working medium parallel with electrostatic field acceleration cathode, ablation work
Matter generates laser plasma；Between two blocks of magnet being oppositely arranged in parallel perpendicular to the magnetic field of working medium formed limitation laser etc. from
The virtual jet pipe of daughter expansion, working medium and electrostatic field accelerate the electrostatic field between cathode to accelerate laser plasma, add
The circular hole that laser plasma after speed accelerates cathode and its center of 1# magnet to open up from electrostatic field sprays, and then is formed
Thrust.
7. the laser based on virtual magnetic nozzle-Electrostatic Field Coupling thruster according to claim 6, it is characterised in that：Institute
It further includes plume protective device to state laser system, and plume protective device is located at the front of its output end of beam adjustment system.
8. the laser based on virtual magnetic nozzle-Electrostatic Field Coupling thruster according to claim 5, it is characterised in that：Magnetic
Being sticked on the inside of 1# magnet in field assembly has electrostatic field to accelerate cathode, and being sticked on the inside of 2# magnet has electrostatic field to accelerate anode,
Electrostatic field accelerates cathode and electrostatic field to accelerate anode cross sectional shape facing each other and the two, area of section all same；In electrostatic
Field is provided with working medium between accelerating cathode and electrostatic field to accelerate anode, one side and electrostatic field the acceleration cathode of the working medium are just
Right, the another side of working medium is covered with layer of transparent basal layer, and the electrostatic field accelerates positive face working medium, and it is covered with one layer
The one side of transparent base layer；Electrostatic field accelerates the center of anode to be overlapped with the center of 2# magnet and in the center of the two
Offer one and wear the circular hole penetrated for laser, the electrostatic field accelerate the center of cathode overlapped with the center of 1# magnet and this two
The center of person offer for the plasma after being accelerated by electrostatic field by circular hole；
Pulse laser sends out laser input beam adjustment system, and beam adjustment system is focused it, the laser after focusing
Beam passes through 2# magnet and electrostatic field that its positive center is accelerated to open up circular hole and impinges perpendicularly on the transparent base layer of working medium,
Laser plasma is generated through ablation solid working medium after transparent base layer；Between two blocks of magnet being oppositely arranged in parallel perpendicular to
The magnetic field of working medium forms the virtual jet pipe of limitation laser plasma expansion, and electrostatic field accelerates cathode and electrostatic field to accelerate anode
Between electrostatic field laser plasma is accelerated, the laser plasma after acceleration accelerates cathode and 1# magnetic from electrostatic field
The circular hole that its center of iron opens up sprays, and then forms thrust.
9. the laser based on virtual magnetic nozzle-Electrostatic Field Coupling thruster according to claim 8, it is characterised in that：Institute
Stating 1# magnet, 2# magnet, electrostatic field accelerates cathode, electrostatic field to accelerate the center of anode and working medium on the same axis.
10. the laser based on virtual magnetic nozzle-Electrostatic Field Coupling thruster according to claim 8, it is characterised in that：Thoroughly
Bright basal layer uses two membrane of lipoprotein of poly terephthalic acid second, cellulose acetate film or polyimide resin film.
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