CN110109224A - A kind of laser array wireless energy transfer system based on light guide plate - Google Patents
A kind of laser array wireless energy transfer system based on light guide plate Download PDFInfo
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- CN110109224A CN110109224A CN201910399919.5A CN201910399919A CN110109224A CN 110109224 A CN110109224 A CN 110109224A CN 201910399919 A CN201910399919 A CN 201910399919A CN 110109224 A CN110109224 A CN 110109224A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/30—Circuit arrangements or systems for wireless supply or distribution of electric power using light, e.g. lasers
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- Optics & Photonics (AREA)
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Abstract
The invention discloses a kind of laser array wireless energy transfer system based on light guide plate, it includes at least two laser emitters, light guide plate and photovoltaic receiver, the light guide plate is provided with for the laser that at least two laser emitter issues to be intersected to and is directed to the photovoltaic receiver, the bottom surface of the light guide plate for incident laser heterogeneous to be changed into the uniform outer micro structure array for penetrating laser.The present invention constitutes laser array using at least two laser emitters, light source of the laser array as laser radio energy transmission system, laser is irradiated to guide-lighting plate end face after remote transmission, it forms multiple light sources and is equally distributed on guide-lighting plate end face, each point light source intersects after laser enters light guide plate, improve the uniformity of the area source of output, it is strong to solve central light strength under single source, the problem of edge-light power, the area of output uniform light can be improved, and then improve the overall conversion efficiency of system.
Description
Technical field
The present invention relates to wireless energy transfer field more particularly to a kind of laser array wireless energy biographies based on light guide plate
Defeated system.
Background technique
Wireless energy transfer system, which refers to, does not depend on energy transmission line, but using other carriers to working under specific environment
Target the energy be provided support, so that it is smoothly completed the energy delivery system of appointed task, although wireless energy transfer at present
Efficiency is lower than wired system, but for special application places, wireless energy transmission technology is to the unique of Remote feeding
Selection.
The conception of wireless energy transfer was just proposed by physicist Ni Gula tesla early in 1890, was studied at present
Transmission mode from include for upper it is close, in, it is remote inductively, the different forms such as magnetic resonance, microwave, laser.Wherein
Laser radio energy transmission strong directionality, energy is concentrated, and can be realized with lesser transmission power and be powered at a distance, and with
The fast development of laser technology, gradually show its advantage, become the hot spot direction studied at present.
The output voltage of single battery generally can not meet the needs of loaded work piece voltage, it is generally the case that needs pass through
Multiple battery series and parallels constitute photovoltaic receiver.It is each under laser irradiation heterogeneous but for such photovoltaic receiver
The optical power that photovoltaic cell receives is different, and the output electric current of photovoltaic receiver will be limited by the smallest light of photogenerated current
Battery is lied prostrate, output voltage will be limited by the smallest photovoltaic cell of photovoltage, seriously affect the power output and efficiency of system,
Therefore laser radio energy system is enable to obtain a large amount of application very well, it is crucial for solving receiving end laser uniformity problem.
Therefore, the prior art needs to improve.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide it is a kind of based on the laser array of light guide plate without
Heat input Transmission system, it is intended to which solving existing laser radio energy transmission system still cannot obtain greater area of region
The problem of uniform area source.
Technical scheme is as follows:
A kind of laser array wireless energy transfer system based on light guide plate, wherein including at least two laser emitters, leaded light
Plate and photovoltaic receiver, the light guide plate is for intersecting and leading the laser that at least two laser emitter issues
It is provided with to the bottom surface to the photovoltaic receiver, the light guide plate uniform outer for incident laser heterogeneous to be changed into
Penetrate the micro structure array of laser.
The laser array wireless energy transfer system based on light guide plate, wherein at least two Laser emission
The wavelength size for the laser that device emits respectively is all the same.
The laser array wireless energy transfer system based on light guide plate, wherein at least two Laser emission
At least there are two not identical for the wavelength size for the laser that device emits respectively.
The laser array wireless energy transfer system based on light guide plate, wherein including three laser emitters, institute
The optical maser wavelength for stating three laser transmitter projects is respectively 808nm, 532nm and 980nm.
The laser array wireless energy transfer system based on light guide plate, wherein the photovoltaic receiver is by three knots
Photovoltaic cell is constituted, and three junction photovoltaic battery is made of three sub- battery stacks, wherein the sub- battery for being located at top layer is GaInP
Photovoltaic cell, it is Ge photovoltaic cell positioned at bottom that the sub- battery positioned at middle layer, which is GaAs photovoltaic cell,.
The laser array wireless energy transfer system based on light guide plate, wherein the micro structure array is in battle array
The light guiding points composition of column arrangement.
The laser array wireless energy transfer system based on light guide plate, wherein the micro structure array is size
The identical light guiding points composition of identical and density degree or the micro structure array are of different sizes and different density degree lead
Luminous point composition.
The laser array wireless energy transfer system based on light guide plate, wherein the light guiding points be hemisphere jut,
One of column-shaped projection, regular polygon protrusion or irregular polygon protrusion.
The laser array wireless energy transfer system based on light guide plate, wherein the light guide plate is rectangular slab,
Including four sides, bottom surface and top surface, one of side is laser entrance face, and the top surface is laser outgoing plane, described another
Outer three sides and bottom surface are provided with reflecting plate.
The laser array wireless energy transfer system based on light guide plate, wherein the laser emitter front end is equal
It is provided with the beam expanding lens for adjusting laser spot size size；The laser emitter, beam expanding lens and light guide plate are located at same
One horizontal plane, the photovoltaic receiver are located at the surface of light guide plate.
The utility model has the advantages that the laser array wireless energy transfer system provided by the invention based on light guide plate uses at least two
Laser emitter constitutes laser array, and light source of the laser array as laser radio energy transmission system, laser is through too far
It is irradiated to guide-lighting plate end face after Distance Transmission, forms multiple light sources and is equally distributed on guide-lighting plate end face, laser enters light guide plate
Each point light source intersects afterwards, improves the uniformity of the area source of output, solves under single source that central light strength is strong, side
The weak problem of edge light intensity can be improved the area of output uniform light, further increase the wireless energy based on the uniform technology of light guide plate light
Measure the overall conversion efficiency of Transmission system.
Detailed description of the invention
Fig. 1 is that a kind of structure of the laser array wireless energy transfer system preferred embodiment based on light guide plate of the present invention is shown
It is intended to.
Specific embodiment
The present invention provides a kind of laser array wireless energy transfer system based on light guide plate, for make the purpose of the present invention,
Technical solution and effect are clearer, clear, and the present invention is described in more detail below.It should be appreciated that described herein
Specific embodiment is only used to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention provides a kind of laser array wireless energy transfer system based on light guide plate, as shown in Figure 1, institute
State the laser array wireless energy transfer system based on light guide plate include including at least two laser emitters 10, light guide plate 20 with
And photovoltaic receiver 30, the light guide plate 20 is for intersecting simultaneously the laser that at least two laser emitter 10 issues
It is directed to the photovoltaic receiver 30, the bottom surface of the light guide plate 20 is provided with for incident laser heterogeneous to be changed into
The even outer micro structure array 21 for penetrating laser.
In the present embodiment, the light guide plate changes the direction of propagation of light by the scattering direction of guidance light, will be by light
The light that source issues is imported from guide-lighting plate end face, finally obtains uniform emergent light in light guide plate upper surface.Light guide plate is used for
The uniformity of laser can be improved in laser radio energy transmission, and by circular spot shaping at the square light as photovoltaic panel
Spot is kind of a good solution for laser radio energy transmission system.But the wireless energy of single laser is passed
For defeated system, be easy to appear laser and enter that front luminous intensity after light guide plate is most strong, by proximal edge part luma almost
Null situation, i.e., light has reached uniform purpose in a certain range, but greater area of region still cannot be obtained
Obtain uniform area source.Based on this, the present embodiment constitutes laser array, the laser by using at least two laser emitters
Light source of the array as laser radio energy transmission system, laser are irradiated to guide-lighting plate end face, shape after remote transmission
It is equally distributed on guide-lighting plate end face at multiple light sources, each point light source intersects after laser enters light guide plate, improves output
Area source uniformity, solve under single source that central light strength is strong, output uniform light can be improved in the problem of edge-light power
Area, further increase the overall conversion efficiency of the wireless energy transfer system based on the uniform technology of light guide plate light.
In some embodiments, the wavelength size for the laser that at least two laser emitter emits respectively is homogeneous
Together.In the present embodiment, since the wavelength size of the laser of different laser transmitter projects is identical, the photovoltaic receiver
It can be made of photovoltaic cell prepared by same semiconductor material.As an example, when the laser emitter is 808nm wavelength half
Conductor laser, the photovoltaic receiver are made of GaAs photovoltaic cells.The wavelength for the 808nm that semiconductor laser issues
Just matched with the GaAs material band gap width in photovoltaic cell, photoelectric conversion efficiency up to 50%, therefore for use 808nm
The wireless energy transfer system of long wavelength laser, photovoltaic receiver is preferably with GaAs photovoltaic cell.When the laser emitter
When being greater than the diode pumping solid laser of 1000nm for wavelength, the photovoltaic receiver is by InGaAs photovoltaic cells group
At.The diode pumping solid laser not only has the characteristics that small in size, the service life is long, operating is reliable, also has higher
Output power (such as 100kw), and can be in advantages such as the high-power lower higher radiances of holding, therefore also it is suitble to laser radio
Energy transmission.It is worth noting that, optical maser wavelength caused by the diode pumping solid laser is greater than 1000nm, for
It is also very low in this wavelength period photoelectric conversion efficiency for the solar panel for generalling use Si and GaAs material, therefore need
It selects and transfers arsenic (InGaAs) (incident photon-to-electron conversion efficiency 50% at 1000nm) light in the indium of 1000nm laser wave strong point high conversion efficiency
Lie prostrate battery.
In some embodiments, the wavelength size for the laser that at least two laser emitter emits respectively is at least
Two not identical.In the present embodiment, since at least there are two not phases for the wavelength size of the laser of different laser transmitter projects
Together, therefore the photovoltaic receiver can be made of multi-junction photovoltaic battery, and the multi-junction photovoltaic battery is that a variety of different forbidden bands are wide
The semiconductor material of degree stacks, and is equivalent to and multiple sub- batteries are together in series, and different sub- batteries absorb different-waveband range
Light radiation.
In a kind of specific embodiment, the laser array wireless energy transfer system based on light guide plate includes three
The optical maser wavelength of a laser emitter, three laser transmitter projects is respectively 808nm, 532nm and 980nm.In this reality
It applies in example, the photovoltaic receiver in the laser array wireless energy transfer system based on light guide plate is by three junction photovoltaic battery structures
At three junction photovoltaic battery is made of three sub- battery stacks, and every layer can be absorbed the laser of different wave length, wherein being located at top
The sub- battery of layer is GaInP photovoltaic cell, and it is Ge photovoltaic positioned at bottom that the sub- battery positioned at middle layer, which is GaAs photovoltaic cell,
Battery；The higher 532nm incident light of energy can be absorbed in the sub- battery GaInP of the top layer, and the sub- battery GaAs of middle layer can
To absorb the high 808nm incident light of energy time, the smaller 980nm incident light of energy is can be absorbed in the sub- battery Ge of bottom.It is described
The sub- battery that photovoltaic receiver absorbs corresponding photon energy can generate photo-generated carrier, to export electric current.
In the present embodiment, the laser array wireless energy transfer system based on light guide plate is using different wavelength
Laser emitter constitutes laser array, and light source of the laser array as laser radio energy transmission system, laser is through too far
It is irradiated to guide-lighting plate end face after Distance Transmission, forms multiple light sources with different wave length and is equally distributed on guide-lighting plate end face,
Each point light source intersects after laser enters light guide plate, improves the uniformity of the area source of output, solves single source
Lower central light strength is strong, the problem of edge-light power, and the area of output uniform light can be improved, further increase equal based on light guide plate light
The overall conversion efficiency of the wireless energy transfer system of even technology.And using the laser illumination of multiple and different wavelength
The photovoltaic receiver that multi-junction photovoltaic battery is constituted, can guarantee that the photon of multiple wavelength can efficiently be absorbed by photovoltaic cell.
In some embodiments, the micro structure array that bottom surface of light guide plate is arranged in can will inject into light guide plate
Laser is changed into diffusing reflection state by total reflection state, i.e., the described micro structure array can change the direction of propagation of laser, described
The purpose of uniform is can be achieved in laser after reflection, refraction and scattering, so that the irradiation improved on photovoltaic receiver swashs
The uniformity of light, reduce series-parallel photovoltaic receiver as receive the different laser of power and caused by mismatch loss, improve
The output power and efficiency of laser radio energy transmission system.Laser is in light guide plate transmission process by dotted laser quilt simultaneously
It is converted into area source, receives laser irradiation convenient for classic flat-plate type photovoltaic receiver, so that laser is easy to receive full of entire
Panel further saves beam shaping device, reduces the energy loss of device, has saved the cost of system.
In some embodiments, the light guide plate is prepared using optical-grade transparent material, the micro-structure battle array
It is classified as the light guiding points composition being arranged in array, the light guiding points are using chemical etching, precision machinery engraving, mold injection moulding
The methods of be prepared in bottom surface of light guide plate.The present embodiment utilizes dissipating for light by making light guiding points in the bottom surface of light guide plate
Principle is penetrated, when in laser irradiation to light guiding points, a light can be scattering into a plurality of light, a part of these scattering lights
Light guide plate can be projected, another part then will continue to reflect, until encountering next light guiding points, repeat scattering process；Therefore, pass through
The light guiding points that are arranged in array of bottom surface of light guide plate setting can effectively improve the laser projected from light guide plate uniformity (90% with
On), it is defeated that this can effectively solve the photovoltaic receiver as caused by the inhomogeneities of laser in laser radio energy transport
The problem of current limited is in minimum photogenerated current out, and photovoltaic receiver output voltage is limited to minimum photovoltage, so as to mention
The delivery efficiency and output power of high laser radio energy transmission system.In the present embodiment, the light guide plate passes through its bottom surface
On the bootable laser uniform irradiation to entire photovoltaic receiver of the light guiding points of setting, thus more efficiently control light distribution and
More efficiently photoelectric efficiency is improved using laser.
In some embodiments, since laser has very high temperature, when the materials such as use PMMA are as guide-lighting plate
When material, light guide plate is easy to damage in laser transmission process, so the present embodiment is using vitreous silica resistant to high temperature as light guide plate
The characteristics of material, its heat resistance is very high, meets laser transmission well.In some embodiments, the light guide plate
Laser entrance face and positive output face are coated with 808nm or 1000nm anti-reflection film, for improving coupling efficiency and the output of laser
Effect.
In some embodiments, the light guide plate can be made with monolith, can also be fabricated separately and be arbitrarily spliced into whole
Body, it is simple process, simple for production.In some embodiments, the micro structure array is that size is identical and density degree phase
Same light guiding points composition, i.e., using uniformly same laser distribution.In other embodiments, the micro structure array
It is formed for light guiding points of different sizes and different density degree, i.e., according to the specification of photovoltaic receiver, does of different sizes, density journey
Spend different distributions.Photovoltaic in wireless energy transfer system can be improved by the difference of the density of design light guiding points, size
The uniformity for the laser that receiver receives, i.e., the laser projected from light guide plate is integrally highly uniform, and optical uniformity can reach 90%
More than, this can effectively promote its photoelectric efficiency for the laser radio energy transmission system that large area uses light guide plate.
In the light guide plate, material, size, arrangement rule and the processing method of light guiding points determine the output laser surface of light guide plate
Illumination and the uniformity, reasonably arranged to the light guiding points, destroy the total reflection condition of laser, to can reach laser
In the purpose of the uniform after reflection, refraction and scattering.
In some embodiments, as shown in Figure 1, the light guide plate is rectangular slab comprising four sides, bottom surface and top
Face, one of side are laser entrance face, and the top surface is laser outgoing plane, and the other three side and bottom surface are respectively provided with
There is reflecting plate 22.In the present embodiment, the reflecting plate can enter back into unscattered laser reflection in light conducting region, to mention
The utilization rate of bloom reduces power loss of the laser in light guide plate, improves the laser transmission rate in light guide plate.Reflecting plate can be adopted
With metallic reflection piece, reflection mode is mirror-reflection, and not only reflectivity is high for metal mirror, but also is conducive to laser in light guide plate
The heat transfer of generation in middle transmission process reduces influence of the temperature to equipment and device, improves the service life of equipment.When laser from
To smooth surface laser entrance face be coupled into light guide plate after, due to the presence of reflecting plate, the laser can in bottom surface of light guide plate and
Then side roundtrip is projected from the top surface of the light guide plate；When laser encounters the leaded light that bottom surface of light guide plate is arranged in
When point, since it destroys the total reflection condition of laser, the laser can scatter to all directions after being irradiated to light guiding points, from
And diffusing reflection is formed, since three sides of light guide plate and bottom surface are provided with reflecting plate, the laser is by repeatedly folding
The uniform area source to form front output is transmitted after penetrating, reflecting from the top surface of light guide plate, so that circular incident light
Spot shaping becomes square focus spot, and the uniform laser of this shape just meets plate photovoltaic receiver shape requirement, can be with
It is used cooperatively well with photovoltaic receiver.
In some embodiments, the light guiding points are hemisphere jut, column-shaped projection, regular polygon protrusion or irregular
One of polygon protrusion, but not limited to this.
In some embodiments, as shown in Figure 1, the laser radio energy transmission system further includes that setting swashs described
The beam expanding lens 40 of optical transmitting set front end, the laser emitter 10, beam expanding lens 40 and light guide plate 20 are sequentially located at same level
Face, the photovoltaic receiver 30 are located at the surface of the light guide plate.In the present embodiment, the beam expanding lens is that Galilean type is more
Power beam expansion lens, beam expanding lens are made of two eyeglasses, the convex lens of the concavees lens inputted including one and an output, and input mirror will
Virtual focus beam Propagation is coated with the narrowband 808nm 1000nm anti-reflection film, increases the light transmission of laser to outgoing mirror, two eyeglass two sides
Rate.The effect of the beam expanding lens is that the laser for issuing laser emitter collimates, and reduces the angle of divergence of laser beam, and adjustment swashs
Light spot size, it is ensured that the laser of transmission can fully enter in light guide plate.The laser that the laser emitter issues is by expanding
Beam mirror collimation after by air or other do not connect and be transmitted to light guide plate at a distance, into light guide plate laser facula shape be justify
The diameter of shape, the circle laser facula is less than the lateral thickness of the light guide plate.
In some embodiments, the photovoltaic receiver is made of in series and parallel multiple photovoltaic cells, has knot
The features such as structure is simple, small in size, easy to use.The photovoltaic cell can be monocrystalline silicon, polysilicon, GaAs, indium and transfer arsenic
(InGaAs) etc. materials are constituted, and band gap width and 808nm wavelength or 1000nm laser just match, and have very high photoelectricity
Transfer efficiency.When in laser irradiation to pn-junction, electronics-hole pair is generated, is not had in the carrier that semiconductor internal junction attachment generates
Have by compound and reach space-charge region, by the attraction of built in field, electronics flows into the area n, and hole flows into the area P, as a result stores up the area n
Deposit superfluous electronics, the not no superfluous hole in the area P, they are formed about the photoproduction electric field contrary with potential barrier in pn-junction,
To generating photovoltage, which has many advantages, such as that structure is simple, performance stabilization, durable, utilization rate is high.
The photovoltaic receiver also has charging control circuit, and the effect of control circuit is to maintain the stabilization of output voltage,
Reduction is illuminated the higher photovoltaic cells output voltage of light intensity, and increases the irradiation insufficient photovoltaic cells of light intensity
Output voltage improves the delivery efficiency of photovoltaic receiver to reduce output voltage difference between the two.
In conclusion the laser array wireless energy transfer system provided by the invention based on light guide plate uses at least two
Laser emitter constitutes laser array, and light source of the laser array as laser radio energy transmission system, laser is through too far
It is irradiated to guide-lighting plate end face after Distance Transmission, forms multiple light sources and is equally distributed on guide-lighting plate end face, laser enters light guide plate
Each point light source intersects afterwards, improves the uniformity of the area source of output, solves under single source that central light strength is strong, side
The weak problem of edge light intensity can be improved the area of output uniform light, further increase the wireless energy based on the uniform technology of light guide plate light
Measure the overall conversion efficiency of Transmission system.And the present invention is using the more knots of laser emitter irradiation of multiple and different wavelength
The photovoltaic receiver that photovoltaic cell is constituted, can guarantee that the photon of multiple wavelength can efficiently be absorbed by photovoltaic cell.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of laser array wireless energy transfer system based on light guide plate, which is characterized in that sent out including at least two laser
Emitter, light guide plate and photovoltaic receiver, the light guide plate are used for the laser phase for issuing at least two laser emitter
Mutually intersect and be directed to the photovoltaic receiver, the bottom surface of the light guide plate is provided with for changing incident laser heterogeneous
For the uniform outer micro structure array for penetrating laser.
2. the laser array wireless energy transfer system according to claim 1 based on light guide plate, which is characterized in that described
The wavelength size for the laser that at least two laser emitters emit respectively is all the same.
3. the laser array wireless energy transfer system according to claim 1 based on light guide plate, which is characterized in that described
At least there are two not identical for the wavelength size for the laser that at least two laser emitters emit respectively.
4. the laser array wireless energy transfer system according to claim 3 based on light guide plate, which is characterized in that including
The optical maser wavelength of three laser emitters, three laser transmitter projects is respectively 808nm, 532nm and 980nm.
5. the laser array wireless energy transfer system according to claim 4 based on light guide plate, which is characterized in that described
Photovoltaic receiver is made of three junction photovoltaic batteries, and three junction photovoltaic battery is made of three sub- battery stacks, wherein being located at top
The sub- battery of layer is GaInP photovoltaic cell, and it is Ge photovoltaic positioned at bottom that the sub- battery positioned at middle layer, which is GaAs photovoltaic cell,
Battery.
6. the laser array wireless energy transfer system according to claim 1 based on light guide plate, which is characterized in that described
Micro structure array is the light guiding points composition being arranged in array.
7. the laser array wireless energy transfer system according to claim 6 based on light guide plate, which is characterized in that described
Micro structure array be that size is identical and the identical light guiding points composition of density degree or the micro structure array be it is of different sizes and
The different light guiding points composition of density degree.
8. the laser array wireless energy transfer system according to claim 7 based on light guide plate, which is characterized in that described
Light guiding points are one of hemisphere jut, column-shaped projection, regular polygon protrusion or irregular polygon protrusion.
9. the laser array wireless energy transfer system according to claim 1 based on light guide plate, which is characterized in that described
Light guide plate is rectangular slab comprising four sides, bottom surface and top surface, one of side are laser entrance face, and the top surface is
Laser outgoing plane, the other three side and bottom surface are provided with reflecting plate.
10. the laser array wireless energy transfer system according to claim 1 based on light guide plate, which is characterized in that institute
It states laser emitter front end and is provided with beam expanding lens for adjusting laser spot size size；The laser emitter expands
Mirror and light guide plate are located at same level, and the photovoltaic receiver is located at the surface of light guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910399919.5A CN110109224A (en) | 2019-05-14 | 2019-05-14 | A kind of laser array wireless energy transfer system based on light guide plate |
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| CN112099226A (en) * | 2020-03-06 | 2020-12-18 | 中国工程物理研究院激光聚变研究中心 | Laser beam guiding method for aiming of silk target |
| CN116879911A (en) * | 2023-09-06 | 2023-10-13 | 成都量芯集成科技有限公司 | Device for improving laser ranging distance and implementation method thereof |
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| CN116879911A (en) * | 2023-09-06 | 2023-10-13 | 成都量芯集成科技有限公司 | Device for improving laser ranging distance and implementation method thereof |
| CN116879911B (en) * | 2023-09-06 | 2023-12-05 | 成都量芯集成科技有限公司 | Device for improving laser ranging distance and implementation method thereof |
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