CN111239236A - Air ionization display device - Google Patents
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- G01N27/626—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using heat to ionise a gas
- G01N27/628—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using heat to ionise a gas and a beam of energy, e.g. laser enhanced ionisation
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Abstract
The invention discloses an air ionization display device, comprising: the pulse seed source, the beam splitting coupler, the beam combining mirror, the light field regulation and control assembly, a plurality of pulse amplification modules and a plurality of time delay lines. The pulse seed source generates a pulse light beam, the light splitting coupler is arranged on a line of the pulse light beam and is used for splitting the pulse light beam into a plurality of sub light beams, the plurality of sub light beams are projected on the beam combining mirror in a one-to-one correspondence mode and combined into one light beam, the light beam combined by the beam combining mirror is projected into the light field regulating and controlling assembly, the light field regulating and controlling assembly regulates and combines the light beam, and air is ionized in a display area so as to form a holographic real image. The plurality of sub-beams are combined after amplification treatment and time delay treatment, and are divided by the same pulse beam, so that the difficulty of pulse time synchronization among the sub-beams is reduced, and the occurrence of a plurality of pulses in the plurality of sub-beams at the same position and the same time in the display area is ensured, and air is ionized.
Description
Technical Field
The invention relates to the field of air display, in particular to an air ionization display device.
Background
In the imaging process of the air ionization imaging system, a light beam is converged by using a lens and air is ionized at the focus of the lens to form a light spot, because the threshold value of optical power in a pulse unit area required by air ionization is high, the number of focus points formed by modulating a light field by a spatial light modulator at each ionization point is limited by pulse power, namely, pixels of a display picture are limited by the pulse power, if the pixels of the display picture are required to be improved, the output pulse power of a light source needs to be further improved, but the output pulse power of the light source is difficult to be greatly improved in the prior art, so that the pixels of the display picture of the air ionization system are difficult to be improved.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. The air ionization display device divides the pulse light beam generated by the pulse seed source into multiple paths of sub-light beams, the multiple paths of sub-light beams are combined into one light beam after energy is improved, time delay of multiple pulses in the light beam is adjusted to achieve pulse time synchronization, energy of the combined light beam with the pulse time synchronization is improved in a doubling mode, and therefore pixels of an air ionization display picture can be improved.
An air ionization display device according to an embodiment of the present invention includes: the holographic optical fiber laser comprises a pulse seed source, a beam splitting coupler, a beam combining mirror and an optical field regulation and control assembly, wherein the pulse seed source generates a pulse light beam, the beam splitting coupler is arranged on a line of the pulse light beam and is used for splitting the pulse light beam into a plurality of sub light beams, the plurality of sub light beams are all projected on the beam combining mirror and combined into one light beam, the light beam combined by the beam combining mirror is projected into the optical field regulation and control assembly, and the optical field regulation and control assembly adjusts, gathers and ionizes air in a display area so as to form a holographic real image.
According to the air ionization display device provided by the embodiment of the invention, the pulse seed source generates a pulse light beam, the optical splitter coupler is arranged on a line of the pulse light beam and is used for splitting the pulse light beam into a plurality of sub light beams, and the plurality of sub light beams are all projected on the beam combiner and combined into one light beam. The light beams combined by the beam combiner are projected into the light field regulation and control assembly, and the light field regulation and control assembly regulates and gathers the light beams and ionizes air in a display area so as to form a holographic real image. The pulse light beam is divided into a plurality of sub-light beams by adopting a light splitting coupler, and the plurality of sub-light beams are combined into one light beam by a beam combining mirror after being amplified and time delay processed. Because the plurality of sub-beams are divided by the same pulse beam, the difficulty of time synchronization among a plurality of pulses in the combined beam is reduced, so that the condition that the plurality of pulses in the plurality of sub-beams appear at the same position and the same moment in the display area and air is ionized is ensured, the pixels of an air ionization display picture can be improved by multiple times, and good use experience is brought to a user.
According to an embodiment of the present invention, the air ionization display device further includes: the pulse amplification modules are correspondingly arranged on the lines of the sub-beams one by one and used for amplifying the pulse energy of the sub-beams, and the pulse amplification modules are positioned between the beam combiner and the optical splitter.
According to an embodiment of the present invention, the air ionization display device further includes: the plurality of time delay lines are correspondingly arranged on the lines of the plurality of sub-beams one to one, the time delay lines are located between the pulse amplification module and the beam combiner, and the time delay lines are used for adjusting the pulse time positions of the sub-beams so that the plurality of pulses of the sub-beams coincide after the beam combiner combines the beams.
According to an embodiment of the present invention, the air ionization display device further includes: the pulse compression devices are arranged on the lines of the sub-beams in a one-to-one correspondence mode, the pulse compression devices are located between the pulse amplification module and the time delay line, and the pulse compression devices are used for compressing the pulse width of the sub-beams to improve the pulse light peak power of the sub-beams.
According to an embodiment of the present invention, the air ionization display device further includes: the plurality of beam collimation devices are arranged on the lines of the plurality of sub beams in a one-to-one correspondence mode, are positioned between the pulse compression device and the time delay line, and are used for adjusting the sub beams into collimated beams meeting ionization thresholds.
According to one embodiment of the present invention, the controller is in signal connection with the pulse seed source, the optical splitter coupler, the pulse amplification module, the pulse compression device and the beam collimation device to control output parameters of the sub-beams.
According to some embodiments of the present invention, the number of the beam combining mirrors is one less than the number of the sub beams, the beam combining mirrors are spaced apart along one of the sub beams, and the remaining sub beams are projected onto the beam combining mirrors in a one-to-one correspondence, and combine the sub beams into one beam.
According to some embodiments of the invention, further comprising: and the reflecting mirrors are arranged between the light beam collimating device and the beam combining mirror and are used for reflecting the sub light beams to the beam combining mirror.
According to an embodiment of the present invention, the air ionization display device further includes: the water-cooling radiator is connected with the pulse seed source, the light splitting coupler, the pulse amplification module, the pulse compression device and the light beam collimation device and used for dissipating heat of the pulse seed source, the light splitting coupler, the pulse amplification module, the pulse compression device and the light beam collimation device.
According to an embodiment of the present invention, the air ionization display device further includes: pulsed light source casing and temperature sensor and controller, the pulse seed source the beam split coupler pulse amplification module pulse compression device with light beam collimation device all establishes in the pulsed light source casing, be formed with a plurality of confessions on the pulsed light source casing the light-emitting port that the sub-beam passed, temperature sensor establishes be used for detecting in the pulsed light source casing the inside temperature of pulsed light source casing, controller signal connection temperature sensor with water-cooling radiator is used for control the temperature in the pulsed light source casing.
According to some embodiments of the invention, the number of mirrors is one less than the number of sub-beams.
According to one embodiment of the invention, the pulse amplification module comprises: the pre-amplification module is positioned between the main amplification module and the light splitting coupler.
According to some embodiments of the invention, the light field modulation component comprises: the beam combiner comprises a galvanometer component, a lens component and a spatial light modulator, wherein an emergent beam of the beam combiner is projected onto the galvanometer component, and the galvanometer component adjusts the direction of the beam; the emergent light beam of the galvanometer component is projected onto the lens component, the lens component focuses the light beam at the focal point position of the lens component and enables air to be ionized to form a real image, and the spatial light modulator is located between the beam combiner and the galvanometer component and used for adjusting parameters of the light beam.
According to one embodiment of the invention, the pulse width of the plurality of said sub-beams is 10fs-100ns, the pulse energy is 10 muJ-100 mJ, and the pulse repetition frequency is 50Hz-10 MHz.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an air ionization display device with two sub-beams according to an embodiment of the present invention.
Reference numerals:
1-1: a pulsed seed source; 1-2: a light splitting coupler; 1-3-1: a first pulse amplification module; 1-3-2: a second pulse amplification module; 1-4-1: a first pulse compression device; 1-4-2: a second pulse compression device; 1-5-1; a first beam collimating device; 1-5-2: a second beam collimating device; 2: a time delay line; 2-1: a first time delay line; 2-2: a second time delay line; 3: a mirror; 4: a beam combining mirror; 5: a light field modulation component; 6: a display area; 7: a controller; 8: a water-cooled radiator; 9: a computer; 10: a pulsed light source housing.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
An air ionization display device according to an embodiment of the present invention is described below with reference to fig. 1.
An air ionization display device according to an embodiment of the present invention includes: the pulse seed source comprises a pulse seed source 1-1, a light splitting coupler 1-2, a beam combining mirror 4, a light field regulation and control assembly 5, a plurality of pulse amplification modules and a plurality of time delay lines 2.
Specifically, the pulsed seed source 1-1 may generate a pulsed beam, and the optical splitter 1-2 is disposed in the line of the pulsed beam and adjacent to the pulsed seed source 1-1 for splitting the pulsed beam into a plurality of sub-beams. The pulse beam is irradiated on the optical splitter 1-2 and is split into a plurality of sub-beams, wherein the energy of the plurality of sub-beams can be distributed evenly.
The plurality of sub-beams are projected on the beam combiner 4 after being subjected to transmission and reflection effects and combined into a beam, the beam combined by the beam combiner 4 is projected into the light field regulating and controlling assembly 5, and the light field regulating and controlling assembly 5 regulates and combines the beam and ionizes air in the display area 6 so as to form a real image picture.
The light field regulating and controlling component 5 can change the direction of the light beam, and can also focus the light beam by using the lens, the energy of the light beam at the focal point is concentrated to ionize the air, and the position of the ionization point is correspondingly changed along with the swinging of the direction of the light beam, so that a holographic real image can be formed.
In the air ionization display device in the prior art, the pulse light source 1 mostly adopts a scheme that the pulse seed source 1-1 outputs pulse light beams and is not subjected to light splitting and direct ionization, so that the power of the pulse light source 1 is limited, and pixels of a display picture cannot meet the use requirements of users. In order to increase the image definition by increasing the pixels of the display screen, the output pulse power of the pulse light source 1 needs to be further increased. In the prior art, the pulse power under the condition of single light beam output of the pulse light source 1 is difficult to be greatly improved, so that the pixels of the display picture of the air ionization display device are difficult to be improved.
Therefore, according to the air ionization display device provided by the embodiment of the invention, the pulse light beam generated by the pulse seed source 1-1 is divided into multiple paths of sub-light beams by the light splitting coupler 1-2, the multiple paths of sub-light beams are combined by the beam combining mirror 4, and the multiple pulses in the multiple paths of sub-light beams are ensured to appear at the same position and the same moment in the display area 6 and ionize air, so that the problems of space synchronization and time synchronization among the multiple pulses in the multiple paths of sub-light beams are solved, the pixels of an air ionization display picture can be improved in multiples, and good use experience is brought to a user.
According to the air ionization display device of the embodiment of the invention, the plurality of pulse amplification modules are correspondingly arranged on the lines of the plurality of sub-beams one by one and used for amplifying the pulses of the sub-beams, and the pulse amplification modules are positioned between the beam combiner 4 and the optical splitter coupler 2. Through setting up the pulse amplification module, can promote the pulse energy of sub-beam, and then imaging quality and luminance when can promoting the formation of image.
According to an embodiment of the present invention, the plurality of time delay lines 2 are disposed on a line of the plurality of sub-beams in a one-to-one correspondence, the time delay lines 2 are located between the pulse amplification module and the beam combining mirror 4, and the time delay lines 2 are configured to adjust pulse time positions of the sub-beams so that a plurality of pulses in the plurality of sub-beams coincide in time after the beam combining mirror 4 combines the sub-beams.
As shown in the figure, in some embodiments, the beam combiner 4 is multiple, the number of the beam combiner 4 may be one less than the number of the sub-beams, the multiple beam combiner 4 is disposed in parallel and spaced along one of the sub-beams, the beam sequentially passes through the multiple beam combiner 4 and is irradiated, and the remaining sub-beams are projected on the multiple beam combiner 4 in a one-to-one correspondence manner and are combined with the sub-beams passing through the beam combiner 4 into one beam under the reflection action of the beam combiner 4.
By arranging the beam combining mirrors 4, the combination mode of a plurality of sub-beams can be simplified, the structural design of the air ionization display device is further simplified, and meanwhile, the loss caused in the beam combination process can be reduced.
As shown in the drawings, according to an embodiment of the present invention, the air ionization display device further includes: and the reflecting mirrors 3 are arranged between the time delay lines 2 and the beam combining mirror 4, and are used for reflecting the sub-beams to the beam combining mirror 4 for combination. By arranging the reflector 3, a plurality of sub-beams arranged in parallel can be reflected to the beam combiner 4, which is beneficial to reducing the overall structure of the air ionization display device.
Further, as shown in the figure, the number of the reflecting mirror 3 is one less than that of the sub-beams, one of the sub-beams passes through the beam combining mirror 4, the remaining sub-beams are reflected by the beam combining mirror 4 and combined with the beam passing through the beam combining mirror 4, the beam passing through the beam combining mirror 4 does not need a reflecting structure and can be directly irradiated on the beam combining mirror 4, and the remaining sub-beams are irradiated on the beam combining mirror 4 through the reflecting action of the reflecting mirror 3. This can reduce one mirror 3, and can further simplify the structural design of the air ionization display device.
According to an embodiment of the present invention, the air ionization display device further includes: a plurality of pulse compression devices are arranged on the lines of the sub-beams in a one-to-one correspondence, and the pulse compression devices are positioned between the pulse amplification module and the time delay line 2, that is, one pulse compression device is arranged on each sub-beam line. That is, in the sub-beam advancing direction, a pulse compression device is provided between the pulse amplification module and the time delay line 2, the pulse compression device being configured to compress the pulse width of the sub-beam to increase the peak power of the pulsed light of the sub-beam.
As shown in fig. 1, there are two pulse compression devices, i.e. a first pulse compression device 1-4-1 and a second pulse compression device 1-4-2, respectively, where the first pulse compression device 1-4-1 is disposed on the first sub-beam and the second pulse compression device 1-4-2 is disposed on the second sub-beam. Through set up pulse compression device on the beamlet, can promote the pulse light peak power of beamlet, and then can improve the pulse peak power after the beam focus, be favorable to promoting the formation of image effect.
According to an embodiment of the present invention, the air ionization display device further includes: and the plurality of beam collimation devices are arranged on the lines of the plurality of sub beams in a one-to-one correspondence manner and are positioned between the pulse compression device and the time delay line 2, and the beam collimation devices are used for adjusting the sub beams into collimated beams meeting the ionization threshold. That is, a beam collimating device is disposed on each sub-beam line, and in the moving direction of the sub-beams, the beam collimating device is located between the pulse compression device and the time delay line 2 on the sub-beam line, and after passing through the beam collimating device, the sub-beams are adjusted to be collimated beams meeting the ionization threshold.
As shown in fig. 1, there are two beam collimating devices, which are a first beam collimating device 1-5-1 and a second beam collimating device 1-5-2, respectively, where the first beam collimating device 1-5-1 is disposed on the first sub-beam, and the second beam collimating device 1-5-2 is disposed on the second sub-beam. Through set up beam collimating device on the beamlet, can utilize beam collimating device to carry out beam parameter adjustment to the beamlet to guarantee that the beamlet satisfies the requirement of ionization threshold value, and then can promote the effect of ionization formation of image.
According to an embodiment of the present invention, the air ionization display device further includes: the water-cooling radiator 8 is connected with the pulse seed source 1-1, the light splitting coupler 1-2, the pulse amplification module, the pulse compression device and the light beam collimation device and used for dissipating heat of the pulse seed source 1-1, the light splitting coupler 1-2, the pulse amplification module, the pulse compression device and the light beam collimation device.
Because the pulse seed source 1-1 generates a high-energy pulse light source and the light beam sequentially passes through the light splitting coupler 1-2, the pulse amplification module, the pulse compression device and the light beam collimation device, the pulse seed source 1-1, the optical splitter coupler 1-2, the pulse amplification module, the pulse compression device and the light beam collimation device can generate a large amount of heat in the working process, and by arranging the water-cooling radiator 8, the pulse seed source 1-1, the optical splitter 1-2, the pulse amplification module, the pulse compression device and the beam collimation device can be cooled, and the damage to equipment caused by too concentrated heat on the pulse seed source 1-1, the optical splitter 1-2, the pulse amplification module, the pulse compression device and the beam collimation device can be prevented. In addition, the water-cooling radiator 8 can adjust the heat dissipation area through the flow direction in adjustment water route, and controllability is stronger, can dispel the heat to a plurality of equipment simultaneously, and water-cooled is with low costs moreover, and is effectual, can satisfy air ionization display device's heat dissipation requirement.
According to an embodiment of the present invention, the air ionization display device further includes: a pulsed light source housing 10, a temperature sensor and a controller 7.
The pulse seed source 1-1, the optical splitter coupler 1-2, the pulse amplification module, the pulse compression device and the light beam collimation device are all arranged in the pulse light source shell 10, and a plurality of light outlets for the sub light beams to pass through are formed in the pulse light source shell 10, that is, the pulse seed source 1-1, the optical splitter coupler 1-2, the pulse amplification module, the pulse compression device and the light beam collimation device are sleeved with the pulse light source shell 10. The pulse seed source 1-1, the light splitting coupler 1-2, the pulse amplification module, the pulse compression device and the light beam collimation device are covered by the pulse light source shell 10, and a light outlet is formed in the pulse light source shell 10, so that the pulse seed source 1-1, the light splitting coupler 1-2, the pulse amplification module, the pulse compression device and the light beam collimation device can be protected from being damaged by the pulse light source shell 10, the structure is simple, and normal transmission of light beams cannot be influenced.
Wherein, temperature sensor establishes be used for detecting in the pulsed light source casing 10 the inside temperature of pulsed light source casing 10, controller 7 signal connection temperature sensor and water-cooling radiator 8 are used for controlling the temperature of 10 in the pulsed light source casing.
Through set up temperature sensor in pulse light source casing 10, can utilize temperature sensor to detect the temperature of pulse light source casing 10, then feed back temperature information to controller 7, controller 7 control water-cooling radiator 8 dispels the heat to the equipment in pulse light source casing 10, provides a stable good operational environment for the equipment in pulse light source casing 10.
According to an embodiment of the present invention, the controller 7 is in signal connection with the pulse seed source 1-1, the optical splitter 1-2, the pulse amplification module, the pulse compression device and the beam collimation device to control output parameters of the sub-beams. That is to say, the controller 7 can also control the pulse seed source 1-1, the optical splitter 1-2, the pulse amplification module, the pulse compression device and the beam collimation device, and adjust the output parameters of the sub-beams by controlling the working states of the pulse seed source 1-1, the optical splitter 1-2, the pulse amplification module, the pulse compression device and the beam collimation device, so as to ensure that the sub-beams meet the requirements of ionization imaging.
According to an embodiment of the present invention, the air ionization display device further includes: and the computer 9 is in signal connection with the time delay line 2, the light field regulation and control component 5 and the controller 7, and is used for controlling the working state of each module of the air ionization display device in real time and providing guarantee for the stable work of the device.
According to one embodiment of the invention, the pulse amplification module comprises: the pre-amplification module is positioned between the main amplification module and the optical splitting coupler 1-2. That is to say, the pulse amplification module comprises pre-amplification module and main amplification module, and the amplification effect of pulse amplification module to the sub-beam can be promoted through pre-amplification module earlier, then through main amplification module.
According to one embodiment of the invention, the pulse width of the plurality of said sub-beams is 10fs-100ns, the pulse energy is 10 muJ-100 mJ, and the pulse repetition frequency is 50Hz-10 MHz.
According to the air ionization display device of the embodiment of the invention, the light field regulation and control component 5 comprises: the beam combining mirror 4 is used for emitting light beams to the galvanometer component, the galvanometer component comprises two groups of reflectors which are vertically arranged, and the two groups of reflectors swing in the front-back direction and the left-right direction respectively so as to control the irradiation path of the light beams. The emergent light beam passing through the galvanometer component is projected onto the lens component, the lens component focuses the light beam, the power density of the light beam is increased after the light beam is concentrated at the focal position of the lens component, the power threshold for generating ionization is reached, finally, the high-power laser ionizes air molecules to form a luminous bright point, and then a real image required by a user is formed.
The spatial light modulator is positioned between the beam combining mirror 4 and the vibrating mirror assembly, the purpose of light wave modulation is achieved by modulating parameters such as amplitude, phase, polarization state and the like of light, light beams pass through the spatial light modulator to modulate a light field and then pass through the focusing system to form a plurality of focusing points, and therefore pixels of a display picture are increased.
The lens assembly includes: the light beam passes through the zoom lens and the flat field focusing lens and then is focused to a specified point in an air ionization region, and finally the high-power laser ionizes air molecules to form a luminous spot.
The zoom lens can adjust the distance between a focus and the zoom lens according to imaging requirements, further can generate a real image of a three-dimensional structure by adjusting the position of the focus, can prevent the generated real image from bending deformation in the imaging process by utilizing the matching of the flat-field focusing lens and the zoom lens, and the computer 9 actively controls the spatial light modulator, the galvanometer component and the lens component, and adjusts the position of a laser ionization point and pixels for displaying the image according to the image to be displayed.
Other constructions and operations according to embodiments of the invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (13)
1. An air ionization display device, comprising:
a pulsed seed source that produces a pulsed light beam;
the optical splitter coupler is arranged on a line of the pulse light beam and is used for splitting the pulse light beam into a plurality of sub-light beams;
the plurality of sub beams are projected on the beam combining mirror and combined into one beam;
and the light beam combined by the beam combiner is projected into the light field regulation and control assembly, and the light field regulation and control assembly regulates and condenses the light beam and ionizes air in a display area so as to form a holographic real image.
2. The air ionization display device of claim 1, further comprising:
the pulse amplification modules are arranged on the lines of the sub-beams in a one-to-one correspondence mode and used for amplifying the pulses of the sub-beams, and the pulse amplification modules are located between the beam combiner and the optical splitting coupler.
3. The air ionization display device of claim 1, further comprising:
the time delay lines are arranged between the pulse amplification module and the beam combiner and used for adjusting the pulse time positions of the sub-beams so that the time of a plurality of pulses in the beams is coincident after the sub-beams are combined by the beam combiner.
4. The air ionization display device of claim 3, further comprising:
the pulse compression devices are arranged on the lines of the sub-beams in a one-to-one correspondence mode, the pulse compression devices are located between the pulse amplification module and the time delay line, and the pulse compression devices are used for compressing the pulse width of the sub-beams to improve the pulse light peak power of the sub-beams.
5. The air ionization display device of claim 4, further comprising:
the plurality of beam collimation devices are arranged on the lines of the plurality of sub beams in a one-to-one correspondence mode, are positioned between the pulse compression device and the time delay line, and are used for adjusting the sub beams into collimated beams meeting an ionization threshold value after combination.
6. An air ionization display device according to any one of claims 1 to 5, further comprising:
the beam combiner is provided with a plurality of beam combining mirrors, the number of the beam combining mirrors is one less than that of the sub-beams, the beam combining mirrors are arranged at intervals along one of the sub-beams, and the rest sub-beams are projected on the beam combining mirrors in a one-to-one correspondence manner and are combined into one beam.
7. An air ionization display device according to any one of claims 1 to 5, further comprising:
the number of the reflecting mirrors is the same as that of the beam combining mirrors, and the reflecting mirrors are arranged between the plurality of time delay lines and the plurality of beam combining mirrors in a one-to-one correspondence mode and are used for reflecting the sub-beams onto the beam combining mirrors.
8. The air ionization display device of claim 7, further comprising:
the water-cooling radiator is connected with the pulse seed source, the light splitting coupler, the pulse amplification module, the pulse compression device and the light beam collimation device and used for dissipating heat of the pulse seed source, the light splitting coupler, the pulse amplification module, the pulse compression device and the light beam collimation device.
9. The air ionization display device of claim 8, further comprising:
the pulse seed source, the light splitting coupler, the pulse amplification module, the pulse compression device and the light beam collimation device are all arranged in the pulse light source shell, and a plurality of light outlets for the sub light beams to pass through are formed in the pulse light source shell;
the temperature sensor is arranged in the pulse light source shell and used for detecting the temperature inside the pulse light source shell;
and the controller is in signal connection with the temperature sensor and the water-cooling radiator and is used for controlling the temperature in the pulse light source shell.
10. The air ionization display device of claim 9, wherein the controller is in signal connection with the pulse seed source, the beam splitter, the pulse amplification module, the pulse compression device, and the beam collimation device to control output parameters of the sub-beams.
11. The air ionization display device of claim 2, wherein the pulse amplification module comprises: the pre-amplification module is positioned between the main amplification module and the light splitting coupler.
12. The air ionization display device according to claim 1, wherein the pulses in the plurality of sub-beams have a pulse width of 10fs to 100ns, a pulse energy of 10 μ J to 100mJ, and a pulse repetition frequency of 50Hz to 10 MHz.
13. The air ionization display device of claim 1, wherein the light field conditioning assembly comprises:
the emergent light beam of the beam combiner is projected onto the galvanometer component, and the galvanometer component adjusts the direction of the light beam;
the lens assembly is projected by the emergent light beam of the galvanometer assembly, and the lens assembly is used for focusing the light beam on the focal point position of the lens assembly to ionize air to form a real image;
and the spatial light modulator is positioned between the beam combining mirror and the galvanometer component and is used for adjusting the light field parameters of the light beams.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010048268.8A CN111239236A (en) | 2020-01-16 | 2020-01-16 | Air ionization display device |
| SG11202113088TA SG11202113088TA (en) | 2020-01-16 | 2021-01-15 | Air ionization display device |
| KR1020247009374A KR20240042206A (en) | 2020-01-16 | 2021-01-15 | Air ionization display device |
| JP2021549105A JP7301992B2 (en) | 2020-01-16 | 2021-01-15 | air ionization indicator |
| EP21740910.1A EP3951380A4 (en) | 2020-01-16 | 2021-01-15 | Air ionization display device |
| KR1020217035813A KR102651053B1 (en) | 2020-01-16 | 2021-01-15 | air ionization display device |
| PCT/CN2021/072084 WO2021143818A1 (en) | 2020-01-16 | 2021-01-15 | Air ionization display device |
| US17/454,942 US20220075315A1 (en) | 2020-01-16 | 2021-11-15 | Air ionization display device |
| JP2023101930A JP2023130379A (en) | 2020-01-16 | 2023-06-21 | Air ionization display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010048268.8A CN111239236A (en) | 2020-01-16 | 2020-01-16 | Air ionization display device |
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| CN111239236A true CN111239236A (en) | 2020-06-05 |
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| CN202010048268.8A Pending CN111239236A (en) | 2020-01-16 | 2020-01-16 | Air ionization display device |
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