CN209117859U - The collective system and laser radar of fast and slow axis beam energy - Google Patents
The collective system and laser radar of fast and slow axis beam energy Download PDFInfo
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- CN209117859U CN209117859U CN201821576553.1U CN201821576553U CN209117859U CN 209117859 U CN209117859 U CN 209117859U CN 201821576553 U CN201821576553 U CN 201821576553U CN 209117859 U CN209117859 U CN 209117859U
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Abstract
The utility model discloses the collective system and laser radar of a kind of fast and slow axis beam energy, the collective system of fast and slow axis beam energy includes: apparatus for correcting, corrects to dispersion angle of the outgoing beam in fast axle and slow axis identical or approximately uniform；Focusing device is set to the light emission side of apparatus for correcting, keeps outgoing beam identical or approximately uniform with the shooting angle on slow-axis direction in fast axis direction, obtains focused light source；And collimator apparatus, it is set to the light emission side of focusing device, and the object focus of collimator apparatus is set to the focal position of focusing device or is arranged close to the focus of focusing device, so that the Energy distribution of outgoing beam is restrained；Wherein, apparatus for correcting, focusing device and collimator apparatus are equipped with identical primary optical axis.The collective system of fast and slow axis beam energy can restrain the Energy distribution of outgoing beam；In this way, guaranteeing that the laser radar of the collective system using the fast and slow axis beam energy can accurately work.
Description
Technical field
The utility model relates to laser technology fields, and in particular to a kind of collective system and laser of fast and slow axis beam energy
Radar.
Background technique
The rise of unmanned technology, as unpiloted " eyes ", the commercialization of laser radar technique is continuous
Accelerate.On Modern Traffic road, there are many direction boards made of high reflectance material.Due to the light of the light source of laser radar
Field intensity is in Gaussian Profile or approximate Gaussian distribution, if directly carrying out collimation processing to outgoing beam, it is difficult to the about energy of light beams
Amount distribution, in the presence of high reflectance object, the spatial resolution of laser radar becomes very coarse, is unfavorable for swashing
The precise operation of optical radar.
Summary of the invention
Based on this, it is necessary to provide the collective system and laser radar of a kind of fast and slow axis beam energy, speed Axial Bundle energy
The collective system of amount can restrain the Energy distribution of outgoing beam；In this way, guaranteeing using the fast and slow axis beam energy
The laser radar of collective system can accurately work.
Its technical solution is as follows:
On the one hand, this application provides a kind of collective systems of fast and slow axis beam energy, comprising: apparatus for correcting, for pair
Outgoing beam carries out correction process, corrects to dispersion angle of the outgoing beam in fast axle and slow axis identical or approximately uniform；
Focusing device is set to the light emission side of the apparatus for correcting, for being focused processing to the light beam emitted from apparatus for correcting, makes
Outgoing beam is identical or approximately uniform with the shooting angle on slow-axis direction in fast axis direction, obtains focused light source；And collimation dress
It sets, is set to the light emission side of the focusing device, and the object focus of the collimator apparatus is set to the coke of the focusing device
Point position is arranged close to the focus of the focusing device, and the collimator apparatus is used to carry out the light beam emitted from focusing device
Collimation processing, so that the Energy distribution of outgoing beam is restrained；Wherein, the apparatus for correcting, the focusing device and described
Collimator apparatus is equipped with identical primary optical axis.
The collective system of above-mentioned fast and slow axis beam energy, in use, apparatus for correcting, focusing device and collimator apparatus are equipped with phase
Same primary optical axis, outgoing beam first pass around apparatus for correcting, carry out correction process to outgoing beam using apparatus for correcting, so that
Light beam on fast axis direction is adjusted with the dispersion angle of the light beam on slow axis to identical or approximately uniform；Then make to fill from correction
The light beam of outgoing is set by focusing device, processing is focused to outgoing beam using focusing device, makes the light on fast axis direction
The shooting angle of beam is identical or approximately uniform as the shooting angle of the light beam on slow-axis direction, so that the light on fast axis direction
Light beam on beam and slow-axis direction focuses on a little or approximate focus is in a bit, to obtain focused light source；Finally make to focus light
Collimator apparatus is passed through in source, carries out collimation processing to focused light source using collimator apparatus, so that being in from the light beam that collimator apparatus is emitted
It is arranged in parallel, not only quickly the Energy distribution of outgoing beam is restrained, but also ensure that the directionality of outgoing beam.
Technical solution is illustrated further below:
The apparatus for correcting includes fast axle corrective component and slow axis corrective component in one of the embodiments, described fast
Axis corrective component obtains correcting light beam, the slow axis for the first time for carrying out correction process on fast axis direction to outgoing beam
Corrective component is set to the light emission side of the fast axle corrective component, and the slow axis corrective component is used to correct light to the first time
Beam carries out correction process on slow-axis direction, and dispersion angle of the outgoing beam in fast axle and slow axis is made to correct to same size.
The fast axle corrective component includes spherical lens, free-form surface lens, cylindrical lens in one of the embodiments,
Or at least one of binary diffraction device；The slow axis corrective component includes spherical lens, free-form surface lens, cylindrical lens
Or at least one of binary diffraction device.
The collimator apparatus includes the first collimator assembly and the second standard of relative spacing setting in one of the embodiments,
Straight component, first collimator assembly are set between the focusing device and second collimator assembly, and described first is quasi-
Straight component is set to the focal position of the focusing device or is arranged close to the focal position of the focusing device, and described first is quasi-
Straight component is equipped with the first recess portion close to one end of the focusing device, first collimator assembly far from the focusing device one
End is equipped with the second recess portion, and the curvature of first recess portion is less than the curvature of second recess portion.Utilize the first recess portion and second
Recess portion carries out preliminary collimation to focused light source and handles, and then recycles the second collimator assembly to carry out final collimation processing, mentions
The convergence effect and convergence rate of the high Energy distribution to outgoing beam, also improve the directionality of outgoing beam.
The focus of first recess portion is set to the focal position of the focusing device or leans in one of the embodiments,
The focal position setting of the nearly focusing device.In this way, the energy field of outgoing beam is enabled preferably to be restrained.
Second collimator assembly includes spherical lens, free-form surface lens, cylindrical lens in one of the embodiments,
Or at least one of binary diffraction device.
In one of the embodiments, second collimator assembly be set as relative spacing setting the first spherical lens and
Second spherical lens, first spherical lens are set between first collimator assembly and second spherical lens, and
The convex surface of first spherical lens and the convex surface of second spherical lens deviate from the first collimator assembly setting.Such as
This, not only makes the structure of the second collimator assembly simple, but also can effectively and rapidly the Energy distribution to outgoing beam carry out
Convergence, guarantees the directionality of outgoing beam.
First spherical lens is additionally provided with use close to one end of first collimator assembly in one of the embodiments,
In the third recess portion of divergent beams.In this way, improve the dissipating effect of light beam so that final collimation adjustment can it is more effective,
Quickly the energy field of transmitting light beam is restrained.
The focus of the third recess portion is set to the focal position of second recess portion or leans in one of the embodiments,
The focal position setting of nearly second recess portion.It so, it is possible further to be promoted third recess portion to being emitted from the second recess portion
The dissipating effect of light beam, thus further improve the energy field for finally collimating outgoing beam adjusted degree of convergence and
Convergence rate.
On the other hand, present invention also provides a kind of laser radar, the convergence system including above-mentioned fast and slow axis beam energy
System.
Above-mentioned laser radar, in use, the apparatus for correcting of the collective system of fast and slow axis beam energy, focusing device and collimation
Device is equipped with identical primary optical axis, and outgoing beam is first passed around apparatus for correcting, corrected using apparatus for correcting to outgoing beam
Processing, so that the light beam on fast axis direction is adjusted with the dispersion angle of the light beam on slow axis to identical or approximately uniform；So
Make the light beam being emitted from apparatus for correcting by focusing device afterwards, processing is focused to outgoing beam using focusing device, makes fast
The shooting angle of light beam in axis direction is identical or approximately uniform as the shooting angle of the light beam on slow-axis direction, so that fastly
The light beam on light beam and slow-axis direction in axis direction focuses on a little or approximate focus is in a bit, to obtain focused light source；
Finally make focused light source by collimator apparatus, collimation processing is carried out to focused light source using collimator apparatus, so that from collimator apparatus
The light beam of outgoing is set in parallel, and can not only quickly restrain to the Energy distribution of outgoing beam, and ensure that laser thunder
The directionality reached can be reliable even if in the presence of high reflectance object, the spatial resolution of laser radar is also exactly accurate
Work.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the collective system of the fast and slow axis beam energy of one embodiment；
Fig. 2 is the index path of the collective system of the fast and slow axis beam energy of Fig. 1.
Description of symbols:
100, apparatus for correcting, the 110, first cylindrical lens, 200, focusing device, 210, third spherical lens, the 220, the 4th
Spherical lens, 230, third cylindrical lens, 300, collimator apparatus, the 310, first collimator assembly, the 311, first recess portion, 312, second
Recess portion, the 320, second collimator assembly, the 321, first spherical lens, the 322, second spherical lens, 3211, third recess portion.
Specific embodiment
It is below in conjunction with attached drawing and specifically real for the purpose of this utility model, technical solution and advantage is more clearly understood
Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein
Only to explain the utility model, the protection scope of the utility model is not limited.
It should be noted that it can be directly another when element is referred to as " being set to ", " being fixedly arranged on " another element
On a element or there may also be elements placed in the middle.When element is referred to as " being fixedly arranged on " another element, or with another yuan
Part " is fixedly connected ", and can be the mode of being detachably fixed between them is also possible to non-removable fixed form.When a member
Part is considered as " connection ", " sealed connection " another element, it can be directly to another element or may be same
When there are centering elements.Term as used herein "vertical", "horizontal", "left" and "right", "upper", "lower" and similar
Statement for illustrative purposes only, be not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in constraint the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
The similar term such as " first " described in the utility model, " second ", " third " does not represent specific quantity and sequence,
It is only used for the differentiation of title.
As shown in Figures 1 and 2, in one embodiment, a kind of collective system of fast and slow axis beam energy is disclosed, is wrapped
Include: apparatus for correcting 100 makes dispersion angle of the outgoing beam in fast axle and slow axis for carrying out correction process to outgoing beam
It corrects to identical or approximately uniform；Focusing device 200 is set to the light emission side of the apparatus for correcting 100, for filling to from correction
The light beam for setting 100 transmittings is focused processing, make outgoing beam fast axis direction it is identical with the shooting angle on slow-axis direction or
It is approximately uniform, obtain focused light source；And collimator apparatus 300, it is set to the light emission side of the focusing device 200, and the collimation
The object focus of device 300 is set to the focal position of the focusing device 200 or sets close to the focus of the focusing device 200
It sets, the collimator apparatus 300 is for carrying out collimation processing to the light beam emitted from focusing device 200, so that the energy of outgoing beam
Amount distribution is restrained；Wherein, the apparatus for correcting 100, the focusing device 200 and the collimator apparatus 300 are equipped with identical
Primary optical axis.
The collective system of the fast and slow axis beam energy of above-described embodiment, in use, apparatus for correcting 100, focusing device 200 and
Collimator apparatus 300 is equipped with identical primary optical axis, and outgoing beam first passes around apparatus for correcting 100, is emitted using 100 Duis of apparatus for correcting
Light beam carries out correction process so that light beam on fast axis direction and the dispersion angle of the light beam on slow axis adjust to identical or
It is approximately uniform；Then make the light beam being emitted from apparatus for correcting 100 by focusing device 200, using focusing device 200 to emergent light
Beam is focused processing, keep the shooting angle of the light beam on fast axis direction identical as the shooting angle of the light beam on slow-axis direction or
It is approximately uniform, so that the light beam on light beam and slow-axis direction on fast axis direction focuses on a little or approximate focus is in one
Point, to obtain focused light source；Finally make focused light source by collimator apparatus 300, using collimator apparatus 300 to focused light source into
Row collimation processing, so that being set in parallel from the light beam that collimator apparatus 300 is emitted, not only quickly to the Energy distribution of outgoing beam
It is restrained, and ensure that the directionality of outgoing beam.
Need to be illustrated, the apparatus for correcting 100 of above-described embodiment can be spherical lens, free-form surface lens,
At least one of cylindrical lens or binary diffraction device need to only meet the diverging that can make outgoing beam in fast axle and slow axis
Angle correction is to identical or approximately uniform, for example, using first cylindrical lens 110 to outgoing beam in fast axis direction
On dispersion angle corrected, the diverging using muti-piece the second cylindrical lens (not shown) to outgoing beam on slow-axis direction
Angle is corrected, and the first cylindrical lens 110 and the second cylindrical lens are both preferably piano convex cylindrical lens, and convex surface deviates from light source
Setting so, it is possible simply and easily to carry out correction process to outgoing beam.The focusing device 200 of above-described embodiment can be
At least one of spherical lens, free-form surface lens, cylindrical lens or binary diffraction device, need to only meet can make emergent light
Beam is identical or approximately uniform with the shooting angle on slow-axis direction in fast axis direction, obtains focused light source；Such as Fig. 1 and Fig. 2
Shown, specific in the present embodiment, focusing device 200 includes third spherical lens 210, the 4th spherical lens 220 and third column
The convex surface of face lens 230, third spherical lens 210 and the 4th spherical lens 220 is arranged towards apparatus for correcting 100, third column
Face lens 230 are preferably plano-concave cylindrical lens, and the concave surface of plano-concave cylindrical lens is also arranged towards apparatus for correcting 100, in this way, utilizing
Third spherical lens 210 and the 4th spherical lens 220 are focused the light beam on fast axis direction and slow-axis direction, utilize third
Cylindrical lens 230 is further focused the light beam on fast axis direction, so that on the light beam and slow-axis direction on fast axis direction
Light beam can fall within the same place, can be simply and easily to from being focused from the light beam that apparatus for correcting 100 is emitted
Reason.The collimator apparatus 300 of above-described embodiment can be spherical lens, free-form surface lens, cylindrical lens or binary diffraction device
At least one of, it need to only meet and the Energy distribution of outgoing beam is enabled to obtain convergence.It is above-mentioned approximately uniform to be
In view of mismachining tolerance or installation error, only needing dispersion angle of the outgoing beam in fast axle and slow axis to correct to error allows model
Interior, shooting angle of the outgoing beam on fast axis direction and slow-axis direction is enclosed in allowable range of error.
In one embodiment, the apparatus for correcting 100 includes fast axle corrective component and slow axis corrective component, the fast axle
Corrective component obtains correcting light beam for the first time, the slow axis is rectified for carrying out correction process on fast axis direction to outgoing beam
Positive component is set to the light emission side of the fast axle corrective component, and the slow axis corrective component is used to correct light beam to the first time
Correction process is carried out on slow-axis direction, and dispersion angle of the outgoing beam in fast axle and slow axis is made to correct to same size.Benefit
Correction process is carried out to the light beam on fast axis direction with fast axle corrective component, using slow axis corrective component to the light on slow-axis direction
Shu Jinhang correction process improves rectification effect and straightening speed so that correction process is non-interference twice.
Further, fast axle corrective component includes spherical lens, free-form surface lens, cylindrical lens or binary diffraction device
At least one of；Slow axis corrective component includes in spherical lens, free-form surface lens, cylindrical lens or binary diffraction device
It is at least one.
As shown in Figures 1 and 2, specific in the present embodiment, fast axle corrective component is set as first cylindrical lens
110, it is saturating that slow axis corrective component is set as above-mentioned third spherical lens 210, above-mentioned 4th spherical lens 220 and above-mentioned third cylinder
Mirror 230.In this way, slow axis corrective component is merged arrangement with focusing device 200, so that the convergence system of entire fast and slow axis beam energy
Structure of uniting is more compact, convenient for arrangement.
As shown in Figures 1 and 2, specific in the present embodiment, collimator apparatus 300 includes the first collimation of relative spacing setting
Component 310 and the second collimator assembly 320, the first collimator assembly 310 be set to focusing device 200 and the second collimator assembly 320 it
Between, and the first collimator assembly 310 is set to the focal position of focusing device 200 or sets close to the focal position of focusing device 200
It sets, the first collimator assembly 310 is equipped with the first recess portion 311 close to one end of focusing device 200, and the first collimator assembly 310 is far from poly-
One end of coke installation 200 is equipped with the second recess portion 312, and the curvature of the first recess portion 311 is less than the curvature of the second recess portion 312.So
Setting carries out preliminary collimation to focused light source using the first recess portion 311 and the second recess portion 312 and handles, then recycles second
Collimator assembly 320 carries out final collimation processing, improves the convergence effect and convergence rate to the Energy distribution of outgoing beam,
Also improve the directionality of outgoing beam.
As shown in Figures 1 and 2, further, the focus of the first recess portion 311 is set to the focal position of focusing device 200
Or it is arranged close to the focal position of focusing device 200.It so, it is possible so that focused light source is successively passing through 311 He of the first recess portion
After the diverging of second recess portion 312, it is able to carry out preliminary collimation adjustment, is carried out most under the action of the second collimator assembly 320
After whole collimation adjustment, the energy field of outgoing beam is preferably restrained.The focus and focusing of first recess portion 311
The distance between focus of device 200 is more in short-term, better to the convergence effect of outgoing beam, and convergence rate is faster.
It needs to be illustrated, second collimator assembly 320 of above-described embodiment is saturating including spherical lens, free form surface
At least one of mirror, cylindrical lens or binary diffraction device, need to only meet the second collimator assembly 320 can collimate to from first
The light beam that component 310 is emitted carries out final collimation processing, so that final outgoing beam is set in parallel, it can be to final
The Energy distribution of outgoing beam is restrained.
As shown in Figures 1 and 2, specific in the present embodiment, the second collimator assembly 320 is set as the of relative spacing setting
One spherical lens 321 and the second spherical lens 322, the first spherical lens 321 are set to the first collimator assembly 310 and the second spherical surface
Between lens 322, and the convex surface of the first spherical lens 321 and the convex surface of the second spherical lens 322 deviate from the first collimator assembly
310 settings.So set, not only making the structure of the second collimator assembly 320 simple, but also can be effectively and rapidly to outgoing
The Energy distribution of light beam is restrained, and guarantees the directionality of outgoing beam.
As shown in Figures 1 and 2, further, the first spherical lens 321 is also set close to one end of the first collimator assembly 310
There is the third recess portion 3211 for divergent beams.The light beam emitted from the second recess portion 312 of the first collimator assembly 310 passes through third
The diverging of recess portion 3211 and then the effect for passing through the second spherical lens 322, improve the dissipating effect of light beam, so that finally
Collimation adjustment more effective, quickly the energy field of transmitting light beam can be restrained.
As shown in Figures 1 and 2, further, the focus of third recess portion 3211 is set to the focus position of the second recess portion 312
It sets or is arranged close to the focal position of the second recess portion 312.It so, it is possible further to be promoted third recess portion 3211 to recessed from second
The dissipating effect for the light beam that portion 312 is emitted, to further improve the energy field for finally collimating outgoing beam adjusted
Degree of convergence and convergence rate, but also the directionality of final outgoing beam is more preferable.The focus of third recess portion 3211 and second
The distance between focus of recess portion 312 is more in short-term, better to the dissipating effect of light beam.
In another embodiment, a kind of laser radar is also disclosed, the speed Axial Bundle including any of the above-described embodiment
The collective system of energy.
The laser radar of above-described embodiment, in use, the apparatus for correcting 100 of the collective system of fast and slow axis beam energy, poly-
Coke installation 200 and collimator apparatus 300 are equipped with identical primary optical axis, and outgoing beam first passes around apparatus for correcting 100, are filled using correction
It sets 100 pairs of outgoing beams and carries out correction process, so that the dispersion angle of the light beam on fast axis direction and the light beam on slow axis
It adjusts to identical or approximately uniform；Then make the light beam being emitted from apparatus for correcting 100 by focusing device 200, filled using focusing
It sets 200 pairs of outgoing beams and is focused processing, make the light beam on the shooting angle and slow-axis direction of the light beam on fast axis direction
Shooting angle is identical or approximately uniform so that the light beam on the light beam and slow-axis direction on fast axis direction focus on a little or
Approximate focus is in a bit, to obtain focused light source；Finally make focused light source by collimator apparatus 300, utilizes collimator apparatus 300
Collimation processing is carried out to focused light source, so that be set in parallel from the light beam that collimator apparatus 300 is emitted, it can not only be quickly to outgoing
The Energy distribution of light beam is restrained, and ensure that the directionality of laser radar, even if in the presence of high reflectance object, swashing
The spatial resolution of optical radar is also exactly accurate, can reliably work.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Above embodiments only express the several embodiments of the utility model, and the description thereof is more specific and detailed, but simultaneously
The constraint to utility model patent range therefore cannot be interpreted as.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality
With novel protection scope.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of collective system of fast and slow axis beam energy characterized by comprising
Apparatus for correcting rectifys dispersion angle of the outgoing beam in fast axle and slow axis for carrying out correction process to outgoing beam
Just to identical or approximately uniform；
Focusing device is set to the light emission side of the apparatus for correcting, for from being focused to the light beam emitted from apparatus for correcting
Reason, keeps outgoing beam identical or approximately uniform with the shooting angle on slow-axis direction in fast axis direction, obtains focused light source；And
Collimator apparatus is set to the light emission side of the focusing device, and the object focus of the collimator apparatus is set to described gather
The focal position of coke installation is arranged close to the focus of the focusing device, and the collimator apparatus is for emitting from focusing device
Light beam carry out collimation processing so that the Energy distribution of outgoing beam is restrained；
Wherein, the apparatus for correcting, the focusing device and the collimator apparatus are equipped with identical primary optical axis.
2. the collective system of fast and slow axis beam energy according to claim 1, which is characterized in that the apparatus for correcting includes
Fast axle corrective component and slow axis corrective component, the fast axle corrective component on fast axis direction for correcting outgoing beam
Processing obtains correcting light beam for the first time, and the slow axis corrective component is set to the light emission side of the fast axle corrective component, described slow
Axis corrective component is used to carry out correction process on slow-axis direction to first time correction light beam, make outgoing beam in fast axle and
Dispersion angle on slow axis corrects to same size.
3. the collective system of fast and slow axis beam energy according to claim 2, which is characterized in that the fast axle corrective component
Including at least one of spherical lens, free-form surface lens, cylindrical lens or binary diffraction device；The slow axis corrective component
Including at least one of spherical lens, free-form surface lens, cylindrical lens or binary diffraction device.
4. the collective system of fast and slow axis beam energy according to any one of claims 1 to 3, which is characterized in that the standard
Straight device includes the first collimator assembly and the second collimator assembly of relative spacing setting, and first collimator assembly is set to described
Between focusing device and second collimator assembly, and first collimator assembly is set to the focal position of the focusing device
Or be arranged close to the focal position of the focusing device, first collimator assembly is equipped with the close to one end of the focusing device
One recess portion, first collimator assembly are equipped with the second recess portion, and the song of first recess portion far from one end of the focusing device
Rate is less than the curvature of second recess portion.
5. the collective system of fast and slow axis beam energy according to claim 4, which is characterized in that the coke of first recess portion
Point is set to the focal position of the focusing device or is arranged close to the focal position of the focusing device.
6. the collective system of fast and slow axis beam energy according to claim 4, which is characterized in that second collimator assembly
Including at least one of spherical lens, free-form surface lens, cylindrical lens or binary diffraction device.
7. the collective system of fast and slow axis beam energy according to claim 6, which is characterized in that second collimator assembly
It is set as the first spherical lens and the second spherical lens of relative spacing setting, first spherical lens is set to described first
Between collimator assembly and second spherical lens, and the convex surface of first spherical lens and second spherical lens is convex
Face deviates from the first collimator assembly setting.
8. the collective system of fast and slow axis beam energy according to claim 7, which is characterized in that first spherical lens
One end close to first collimator assembly is additionally provided with the third recess portion for divergent beams.
9. the collective system of fast and slow axis beam energy according to claim 8, which is characterized in that the coke of the third recess portion
Point is set to the focal position of second recess portion or is arranged close to the focal position of second recess portion.
10. a kind of laser radar characterized by comprising fast and slow axis beam energy as described in any one of claim 1 to 9
Collective system.
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| CN201821576553.1U CN209117859U (en) | 2018-09-26 | 2018-09-26 | The collective system and laser radar of fast and slow axis beam energy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188398A (en) * | 2018-09-26 | 2019-01-11 | 深圳市速腾聚创科技有限公司 | Laser radar, the collective system of fast and slow axis beam energy and convergence method |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188398A (en) * | 2018-09-26 | 2019-01-11 | 深圳市速腾聚创科技有限公司 | Laser radar, the collective system of fast and slow axis beam energy and convergence method |
| CN109188398B (en) * | 2018-09-26 | 2023-08-04 | 深圳市速腾聚创科技有限公司 | Laser radar, system and method for converging fast and slow axis beam energy |
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