CN106249422A - Multichannel beam treatment optical system and processing method, multi-path laser detector - Google Patents
Multichannel beam treatment optical system and processing method, multi-path laser detector Download PDFInfo
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- CN106249422A CN106249422A CN201610862752.8A CN201610862752A CN106249422A CN 106249422 A CN106249422 A CN 106249422A CN 201610862752 A CN201610862752 A CN 201610862752A CN 106249422 A CN106249422 A CN 106249422A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
- G02B27/0966—Cylindrical lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/30—Collimators
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Abstract
The embodiment of the invention discloses a kind of multichannel beam treatment optical system and processing method, multi-path laser detector.This system includes: the most with multichannel light beam sub-optical systems；Every sub-optical system all includes: collimating and correcting unit and the first post battery of lens, collimating and correcting unit is between light source and the first post battery of lens；Collimating and correcting unit, for collimating the light from light source the first direction of principal axis outgoing, Shape correction；First post battery of lens, the axial light of light source second for collimation shaping unit outgoing carries out collimating, Shape correction；Wherein, at least two sub-optical systems share a first post battery of lens.The embodiment of the present invention shares a first post battery of lens by arranging the sub-optical system of at least two in many sub-optical systems, compared with prior art, and can be while ensureing hot spot effect, it is achieved the miniaturization of optical system.
Description
Technical field
The present embodiments relate to optical technical field, be specifically related to a kind of multichannel beam treatment optical system and process thereof
Method, multi-path laser detector.
Background technology
At present, Intelligent Laser detection system based on a cloud is at industrial automation, streetscape mapping, the neck such as unmanned
Territory plays the most important role.Compared with microwave radar, the resolution of laser detection system is higher；With Video Detection system
System is compared, and the response speed of laser detection system faster and can penetrate the subparticle such as dense fog, sand and dust, it is to avoid extreme weather is not
Profit impact.Therefore laser detection system is increasingly widely applied to the every field in productive life.Its general principles is sharp
Light device, constantly to objective emission laser, is diffusely reflected the light returned and enters in reception system and generate signal.Multi beam swashs
Light constantly incides the different position of target and is reflected back, and produces the distance of target, size, reflectance, translational speed
Deng parameter information, thus whole target is detected.It functions as the eyes of automation equipment, believes for the perception external world
Breath, plays the effect of gather information.
The light beam directly emitted due to laser instrument is of poor quality, and energy is not concentrated, it is therefore desirable to collimating and correcting light
The light that laser instrument is launched by system carries out collimating and correcting.Additionally, due to this intelligentized laser detection system is the most all
Needing to be integrated in other equipment, so miniaturization is also its essential condition, the laser instrument selected by the most this system is mostly
For semiconductor laser or semiconductor laser diode.Semiconductor laser is because its size is little, lightweight, electricity conversion
The advantages such as high, life-span length and reliability is high, be easily integrated, good heat dissipation become the first-selection of miniature laser detecting devices.
For remote low-angle multiple spot laser detection system, need to launch multi-path laser in the scope that angle is less,
Therefore in this equipment, it is accomplished by multi-path laser colimated light system.Laser way is the most, and equipment size will be the biggest, the most just has
How multi-path laser emission system is arranged, is saved space-efficient problem.
During realizing the embodiment of the present invention, inventor finds at present the most on the market can the quasiconductor of commercialization volume production
Package dimension is the biggest, and this also governs the miniaturization progress of this kind of kind equipment.The existing common arrangement for multiple laser instrument
Mode includes: 1, multiple laser instrument share one group of optical system simultaneously；2, multiple laser instrument are divided into several groups, and often group shares one
Individual optical system.
But for above two mode, owing to the package dimension of semiconductor laser is relatively big, and required detection angle
The least, the angle between the laser transmitting system of Ji Ge road requires the least, thus the most logical in order to ensure the launching centre of a laser instrument
Crossing the center of optical system, the focal length of optical system can become much larger, and the result brought is that the axial dimension of system is very big, leads
Causing detection system cannot miniaturization.
Summary of the invention
One purpose of the embodiment of the present invention is that solution prior art is relatively big due to the package dimension of semiconductor laser, leads
Causing detection system cannot the problem of miniaturization.
The embodiment of the present invention proposes a kind of multichannel beam treatment optical system, including: with multichannel light beam one to one
Many sub-optical systems；
Every sub-optical system all includes: collimating and correcting unit and the first post battery of lens, described collimating and correcting unit is positioned at
Between light source and the first post battery of lens；
Described collimating and correcting unit, for collimating the light from light source the first direction of principal axis outgoing, Shape correction；
Described first post battery of lens, the axial light of light source second for collimation shaping unit outgoing carries out standard
Directly, Shape correction；
Wherein, at least two sub-optical systems share a first post battery of lens.
Optionally, described collimating and correcting unit includes: the second post battery of lens/toroid mirror；
Described second post battery of lens/described toroid mirror is between light source and the first post battery of lens；
Described second post battery of lens/described toroid mirror, for the light of light source the first direction of principal axis outgoing is collimated,
Shape correction.Optionally, described collimating and correcting unit includes: aspherical mirror group and the second post battery of lens；
Described aspherical mirror group is between light source and the first post battery of lens, and described second post battery of lens is positioned at described aspheric
Between face mirror group and the first post battery of lens；
Described aspherical mirror group, for collimating the light of light source the first direction of principal axis outgoing, Shape correction；
Described second post battery of lens, dissipates process for expanding the light of described aspherical mirror group outgoing.
Optionally, described first post battery of lens and described second post battery of lens are sphere post battery of lens or aspheric design
Group.
Optionally, described first axle and described second axle are slow axis or fast axle, and described first axle and described second axle are not
It is slow axis or fast axle simultaneously.
Optionally, in same sub-optical system, described aspherical mirror group, described first post battery of lens and described second post
Battery of lens is centrally located on same straight line.
Optionally, spaced default angle between the optical axis of each collimating and correcting unit.
Optionally, two collimating and correcting unit optical axis along described first post battery of lens of same first post battery of lens is shared
Symmetry, and and the optical axis of described first post battery of lens between angular range be 0 °-10 °.
The invention allows for the multichannel light beam processing method of a kind of above-mentioned multichannel beam treatment optical system, including:
The multichannel light beam received is collimated by many individual sub-optical systems respectively, Shape correction；
In same sub-optical system, the light from light source the first direction of principal axis outgoing collimates by collimating and correcting unit,
Shape correction；
The axial light of light source second of the first post battery of lens collimation shaping unit outgoing carries out collimating, at shaping
Reason；
Wherein, at least two sub-optical systems share a first post battery of lens.
The invention allows for a kind of multi-path laser detector, including: multichannel light source, receive device and described above
Multichannel beam treatment optical system；
Described multichannel beam treatment optical system and described multichannel light source one_to_one corresponding；
Described light source, for shoot laser bundle；
Described multichannel beam treatment optical system, for collimating described laser beam, Shape correction；
Described reception device, for receiving the light that diffuse-reflectance returns, and generates signal according to the light received.
As shown from the above technical solution, the embodiment of the present invention propose a kind of multichannel beam treatment optical system and process
Method, multi-path laser detector, by arranging the multiple and the most sub-optical system of light source, and arrange therein at least two
Individual sub-optical system shares a first post battery of lens, compared with prior art, and can be while ensureing hot spot effect, it is achieved light
The miniaturization of system.
Accompanying drawing explanation
By being more clearly understood from the features and advantages of the present invention with reference to accompanying drawing, accompanying drawing is schematic and should not manage
Solve as the present invention is carried out any restriction, in the accompanying drawings:
Fig. 1 shows the structural representation of one embodiment of the invention a kind of multichannel beam treatment optical system；
Fig. 2 shows the schematic flow sheet of one embodiment of the invention a kind of multichannel light beam processing method；
Fig. 3 shows the structural representation of a kind of four tunnel beam treatment devices of one embodiment of the invention；
Fig. 4 shows that the structure of a kind of four tunnel beam treatment optical systems of one embodiment of the invention divides schematic diagram；
Fig. 5 shows the structural representation of the semiconductor laser optical system of one embodiment of the invention a kind of multichannel light beam
Figure；
Fig. 6 a and Fig. 6 b shows the sub-light of beam treatment in the semiconductor laser optical system of the multichannel light beam shown in Fig. 5
The structural representation of system；
Fig. 7 shows the operation principle schematic flow sheet of the semiconductor laser optical system of the multichannel light beam shown in Fig. 5；
Fig. 8 shows the structural representation of one embodiment of the invention a kind of multi-path laser detector.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of not making creative work, broadly falls into the scope of protection of the invention.
Fig. 1 shows the structural representation of one embodiment of the invention a kind of multichannel beam treatment optical system, sees Fig. 1,
Including: multiple light sources and multichannel beam treatment optical system, wherein, light source can be laser instrument；This multichannel beam treatment optics
System, including: the most with the multichannel light beam that multichannel light source is launched sub-optical systems, including: the first sub-optical system
System the 1, the second sub-sub-optical system of optical system 2... (n-1)th and the n-th sub-optical system；
Every sub-optical system all includes: collimating and correcting unit and the first post battery of lens, described collimating and correcting unit is positioned at
Between light source and the first post battery of lens；
Described collimating and correcting unit, for collimating the light from light source the first direction of principal axis outgoing, Shape correction；
Described first post battery of lens, the axial light of light source second for collimation shaping unit outgoing carries out standard
Directly, Shape correction；
Wherein, described first axle and described second axle are slow axis or fast axle, and described first axle is different with described second axle
Time be slow axis or fast axle.
It should be noted that due to the effect of plectrum, the light beam that light source is launched is divided into the light of slow-axis direction with fast
Axial light.Due to, eigen astigmatism is the peculiar parameter of semiconductor laser, and i.e. fast axle light-emitting area and slow axis light-emitting area are not
In approximately the same plane, use conventional collimating and correcting system, it is impossible to all obtain well at quick shaft direction and slow-axis direction simultaneously
Shaping effect.The present embodiment is by arranging collimating and correcting unit and the first post battery of lens, respectively to slow-axis direction and fast axle side
To light carry out Shape correction, shaping effect can be effectively improved.
It addition, in the present embodiment, at least two sub-optical systems share a first post battery of lens.
Thus, the present embodiment is multiple with the most sub-optical system of light source by arranging, and arrange therein at least
Two sub-optical systems share a first post battery of lens, compared with prior art, and can be while ensureing hot spot effect, it is achieved
The miniaturization of optical system.
The structure design of collimation shaping unit and the first post battery of lens below is described in detail:
In the embodiment show in figure 1:
Collimating and correcting unit includes: the second post battery of lens；Described second post battery of lens is positioned at light source and the first post battery of lens
Between；
Described second post battery of lens, for collimating the light of light source the first direction of principal axis outgoing, Shape correction；
If it should be noted that the first axle is slow axis, then the second post battery of lens based on default first focal length to slow-axis direction
Light carry out collimating, Shape correction, correspondingly, the first post battery of lens is based on default second focal length collimation shaping unit outgoing
The light from quick shaft direction outgoing carry out collimating, Shape correction；
If the first axle is fast axle, then the second post battery of lens carries out standard based on default first focal length to the light of quick shaft direction
Directly, Shape correction, correspondingly, the first post battery of lens based on preset the second focal length collimation shaping unit outgoing from slow-axis direction
The light of outgoing carries out collimating, Shape correction；
It addition, the second post battery of lens in the present embodiment can be replaced toroid mirror.
In a possible embodiments, collimating and correcting unit includes: aspherical mirror group and the second post battery of lens；
Described aspherical mirror group is between light source and the first post battery of lens, and described second post battery of lens is positioned at described aspheric
Between face mirror group and the first post battery of lens；
Described aspherical mirror group, for collimating the light of light source the first direction of principal axis outgoing, Shape correction；
Described second post battery of lens, dissipates process for expanding the light of described aspherical mirror group outgoing.
It should be noted that light can seriously be expanded dissipating of distant location hot spot.Therefore, in slow-axis direction aspheric
Face mirror can play the effect that the light of convergence is corrected diffusion followed by upper negative post lens.
Understandable, the first axle and the second axle can refer to the description of an embodiment with fast axle, the relation of slow axis.
It should be noted that the first post battery of lens in above-described embodiment and the second post battery of lens the most at least include a piece of
Post lens, at least include a piece of aspherical mirror in aspherical mirror group.Particular number can depend on the needs, and the most no longer limits
Fixed；
It addition, the first post battery of lens and the second post battery of lens are sphere post lens or aspheric design.
Fig. 2 shows the schematic flow sheet of one embodiment of the invention a kind of multichannel light beam processing method, sees Fig. 2, the party
Method includes:
210, many sub-optical systems respectively the multichannel light beam received is collimated, Shape correction；
220, in same sub-optical system, collimating and correcting unit carries out standard to the light from light source the first direction of principal axis outgoing
Directly, Shape correction；
230, the axial light of light source second of the first post battery of lens collimation shaping unit outgoing carry out collimating, shaping
Process；
Wherein, at least two sub-optical systems share a first post battery of lens.
The present embodiment is by arranging the multiple and the most sub-optical system of light source, and arranges at least two therein
Optical system shares a first post battery of lens, compared with prior art, and can be while ensureing hot spot effect, it is achieved optical system
The miniaturization of system.
For method embodiment, in order to be briefly described, therefore it is all expressed as a series of combination of actions, but ability
Field technique personnel should know, embodiment of the present invention is not limited by described sequence of movement, because according to the present invention
Embodiment, some step can use other orders or carry out simultaneously.Secondly, those skilled in the art also should know,
Embodiment described in this description belongs to preferred implementation, involved action embodiment party the most of the present invention
Necessary to formula.
Fig. 3 shows the structural representation of a kind of four tunnel beam treatment devices of one embodiment of the invention, sees Fig. 3, this dress
Put for installing above-mentioned beam treatment optical system, including: housing 310 and the chute 360 being opened on housing, in chute 360
Being provided with four way optical systems, four way optical systems include: the first way optical system, the second way optical system,
Three way optical systems and the 4th way optical system；
Each way optical system all includes: semiconductor laser 320, aspherical mirror 330, negative post lens 340, Yi Jizheng
Post lens 350.
Semiconductor laser 320, aspherical mirror 330, negative post lens 340 and positive column lens 350 are successively set on chute
In 360, and can slide along chute 360 direction.
Fig. 4 shows that the structure of a kind of four tunnel beam treatment optical systems of one embodiment of the invention divides schematic diagram, sees
Fig. 4, four way optical systems are averaged and are divided into two groups, including: first group of sub-optical system 410 and second group of sub-optical system
420, often group shares last group lens.
It addition, understandable, herein be divided into a kind of example, and non-limiting；Other dividing mode, such as: four
Way optical system can be divided into one group of three tunnel, independent one group of a remaining road；Nine way optical systems can be averaged division
It is three groups, or is divided into four groups two-by-two that independent one group of a remaining road is all feasible, illustrates the most one by one.
Light sends from semiconductor laser, enters aspheric surface, negative post lens along respective optical axis order, and just arrives
Post lens, owing to the lateral dimension of the 3rd group of positive column lens is the twice of positive column lens sizes needed for single channel orthopedic systems, therefore
The light of every way optical system, all from the positive column lens area outgoing of respective corresponding part, is independent of each other.This two ways optics
System forms a new sub-optical system, and launches two light beams, this new sub-light along two different low-angle directions
The sub-optical system that system is identical with another, is again separated by certain angle, and arranges up and down, it is achieved that multi-path laser
Light is launched along different angles.
Based on identical innovation and creation, the invention allows for the semiconductor laser optical system of a kind of multichannel light beam,
Seeing Fig. 5, the semiconductor laser optical system 510 of this multichannel light beam includes: the sub-optical system of multiple beam treatment 520 is with many
Road light beam detection unit 530；
The sub-optical system of beam treatment 520, the light issued for noise spectra of semiconductor lasers carries out collimating and shaping；Many
Road light beam detection unit 530, is used for installing beam treatment optical system 520, and realizes remote, multichannel light beam different directions
Target demarcate and detect.
The sub-optical system of each beam treatment 520 all includes: semiconductor laser 521, aspherical mirror 522, negative post lens
523 and positive column lens 524.The annexation of above-mentioned each components and parts is semiconductor laser 521, aspherical mirror 522, negative post lens
523 and positive column lens 524 along semiconductor laser 521 outgoing the light direction of propagation successively order arrangement, be centrally located at same
On straight line.
Multichannel light beam probe unit 530 includes: the position of antithesis array beam treatment optical system 520 is defined many
Road light beam frame for movement 531 and housing 532, contain the own centre line cunning along different angles direction in multichannel light beam frame for movement 531
Groove, beam treatment optical system 520 is placed in chute.
The sub-optical system of multiple beam treatment 520 putting position in multichannel light beam probe unit 530 is: along light
The direction of propagation is observed, and every sub-optical system of two-way beam treatment 520 is distributed in the left and right sides, the sub-optical system of each beam treatment
The spaced certain angle of optical axis of 520, launches laser to different directions, and wherein the sub-optical system of beam treatment 520 is last
One group of positive column lens 524 is shared by every two groups of sub-optical systems of beam treatment 520.
Housing 532 includes: semiconductor laser housing and lens housing, semiconductor laser housing and partly leading for fixing
Body laser 521, lens housing is used for fixing aspherical mirror 522, negative post lens 523 and positive column lens 524, and and described cunning
Groove structure realizes coordinating closely, it is simple to installation and debugging.
Fig. 6 a and Fig. 6 b shows the sub-light of beam treatment in the semiconductor laser optical system of the multichannel light beam shown in Fig. 5
The structural representation of system, the operation principle referring to Fig. 6 a and Fig. 6 b optical system sub-to beam treatment is carried out specifically
Bright:
For the light of quick shaft direction, the processing procedure of the sub-optical system of beam treatment, as shown in Figure 6 a, when quasiconductor swashs
When the fast axle light-emitting area 612 of light device launches laser, light initially enters aspherical mirror 613, and the light of quick shaft direction is by aspheric surface
Mirror 613 enters negative post lens 614 and positive column lens 615 after carrying out collimating and correcting, and negative post lens 614 and positive column lens 615 are not
The light of quick shaft direction is worked.
Meanwhile, as shown in Figure 6 b, the light of the slow-axis direction of slow axis light-emitting area 611 outgoing also incides aspherical mirror
On 613, but the impact of the eigen astigmatism due to semiconductor laser, slow axis light-emitting area 611 and fast axle light-emitting area 612 be not same
In plane, its slow-axis direction light-emitting area 611 compared to quick shaft direction light-emitting area 612 will away from subsequent optical system certain away from
From, when becoming parallel light emergence by the light (such as Fig. 6 a) of fast axle light-emitting area 612 outgoing after being collimated, by slow axis light-emitting area 611
The light (such as Fig. 6 b) of outgoing is entering after aspherical mirror 613 it would appear that hypercorrect effect, i.e. light can occur slightly
Assemble rather than directional light.Although this convergence degree is smaller, but can seriously be expanded in dissipating of distant location hot spot.
Accordingly, it would be desirable to slow-axis direction aspherical mirror 613 followed by negative post lens 614 can play will assemble light
It is corrected the effect of diffusion.Slow-axis direction light incides last a piece of positive column lens 615 after the outgoing of negative post lens 614
On, negative post lens 614 light spread is collimated into directional light by positive column lens 615 again, and incides target at a distance.
Fig. 7 shows the operation principle schematic flow sheet of the semiconductor laser optical system of the multichannel light beam shown in Fig. 5,
Seeing Fig. 7, the operation principle of this system sees below multi-path laser shaping methods, and the method includes:
710, the collimating and correcting method of single channel semiconductor laser；
720, the light issued from quick shaft direction and the slow-axis direction of semiconductor laser is collimated and whole respectively
Shape；By sharing last a piece of post lens, staggered symmetry arrangement single channel collimating and correcting unit realizes system compact.
730, long distance multi-channel launches the miniaturization scheme of laser
Above-mentioned steps 620 includes following three kinds of schemes:
Scheme one, is respectively adopted at quick shaft direction and slow-axis direction and plays collimation and shaping work only for respective direction light
Post lens optical system；
Scheme two, carries out collimating and correcting to quick shaft direction light but also produces slow-axis direction light simultaneously and assemble impact
Coquille optical system, simultaneously after this coquille optical system, uses and only collimates slow-axis direction light and shaping
Post lens optical system；
Scheme three, slow-axis direction light is collimated and shaping but simultaneously on quick shaft direction light also produce convergence impact
Coquille optical system, simultaneously after this coquille optical system, use and only quick shaft direction light collimated and shaping
Post lens optical system；
Above-mentioned steps 730 long distance multi-channel is launched the miniaturization scheme of laser and is included:
Last group post lens of every two-way collimating and correcting units shared.Every two-way collimating and correcting unit is respectively at two mutually
In parallel plane, observing in the horizontal direction, every two-way collimating and correcting unit is the most right along the optical axis of last group post lens
Claim distribution, and the angle of the optical axis existence 0 ° 10 ° with last group post lens.Observing along the light direction of propagation, every two groups
The parallel distribution in collimating and correcting unit left and right；
Every two-way collimating and correcting unit and other every two groups of collimating and correcting unit order the most from top to bottom
, there is the angle of 0 90 ° from each other in arrangement.
Described last shared group post lens are its chi in single channel collimating and correcting unit in the size of its generatrix direction
Very little 2 times, the light of each road collimating and correcting unit incides on the post lens of respective passage respectively, and light does not interfere with each other.
Fig. 8 shows the structural representation of one embodiment of the invention a kind of multi-path laser detector, sees Fig. 8, this detection
Device includes: multichannel light source, reception device and multichannel beam treatment optical system；
Described multichannel beam treatment optical system and described multichannel light source one_to_one corresponding；
Described light source, for shoot laser bundle；
Described multichannel beam treatment optical system, for described laser beam is collimated, Shape correction, and will collimation,
Beam emissions after Shape correction is to determinand；
Described reception device, for receiving the light that determinand diffuse-reflectance returns, and generates letter according to the light received
Number.
It should be noted that in the multichannel beam treatment optical system herein embodiment corresponding with Fig. 1 at multichannel light beam
Reason optical system is identical, and its operation principle refer to the embodiment corresponding for Fig. 1 statement to it, the most no longer repeats.
The present invention will be described rather than limits the invention to it should be noted above-mentioned embodiment, and this
Skilled person can design replacement embodiment without departing from the scope of the appended claims.In claim
In, any reference marks that should not will be located between bracket is configured to limitations on claims.Word " comprises " and is not excluded for depositing
In the element not arranged in the claims or step.Word "a" or "an" before being positioned at element do not exclude the presence of multiple this
The element of sample.The present invention by means of including the hardware of some different elements and can come by means of properly programmed computer
Realize.If in the unit claim listing equipment for drying, several in these devices can be by same hardware
Item specifically embodies.Word first, second and third use do not indicate that any order.Can be by these word explanations
Title.
Although being described in conjunction with the accompanying embodiments of the present invention, but those skilled in the art can be without departing from this
Making various modifications and variations in the case of bright spirit and scope, such amendment and modification each fall within by claims
Within limited range.
Claims (10)
1. a multichannel beam treatment optical system, it is characterised in that including: the most with multichannel light beam sub-optics
System；
Every sub-optical system all includes: collimating and correcting unit and the first post battery of lens, described collimating and correcting unit is positioned at light source
And between the first post battery of lens；
Described collimating and correcting unit, for collimating the light from light source the first direction of principal axis outgoing, Shape correction；
Described first post battery of lens, the axial light of light source second for collimation shaping unit outgoing carries out collimating, whole
Shape processes；
Wherein, at least two sub-optical systems share a first post battery of lens.
System the most according to claim 1, it is characterised in that described collimating and correcting unit includes: the second post battery of lens/multiple
Curved mirror；
Described second post battery of lens/described toroid mirror is between light source and the first post battery of lens；
Described second post battery of lens/described toroid mirror, for collimating the light of light source the first direction of principal axis outgoing, shaping
Process.
System the most according to claim 1, it is characterised in that described collimating and correcting unit includes: aspherical mirror group and
Two post battery of lens；
Described aspherical mirror group is between light source and the first post battery of lens, and described second post battery of lens is positioned at described aspherical mirror
Between group and the first post battery of lens；
Described aspherical mirror group, for collimating the light of light source the first direction of principal axis outgoing, Shape correction；
Described second post battery of lens, dissipates process for expanding the light of described aspherical mirror group outgoing.
4. according to the system described in Claims 2 or 3, it is characterised in that described first post battery of lens and described second post lens
Group is sphere post battery of lens or aspheric design group.
5. according to the system described in any one of claim 1-3, it is characterised in that described first axle and described second axle are slow axis
Or fast axle, and it is slow axis or fast axle when described first axle is different with described second axle.
System the most according to claim 3, it is characterised in that in same sub-optical system, described aspherical mirror group, institute
State the first post battery of lens and described second post battery of lens is centrally located on same straight line.
System the most according to claim 1, it is characterised in that spaced default between the optical axis of each collimating and correcting unit
Angle.
System the most according to claim 1, it is characterised in that share two collimating and correcting lists of same first post battery of lens
Unit along the light axial symmetry of described first post battery of lens, and and the optical axis of described first post battery of lens between angular range be
0°-10°。
9. a multichannel light beam processing method based on multichannel beam treatment optical system described in any one of claim 1-8, its
It is characterised by, including:
The multichannel light beam received is collimated by many individual sub-optical systems respectively, Shape correction；
In same sub-optical system, the light from light source the first direction of principal axis outgoing is collimated by collimating and correcting unit, shaping
Process；
The axial light of light source second of the first post battery of lens collimation shaping unit outgoing carries out collimating, Shape correction；
Wherein, at least two sub-optical systems share a first post battery of lens.
10. a multi-path laser detector, it is characterised in that including: multichannel light source, receive device and such as claim 1-8
Multichannel beam treatment optical system described in any one；
Described multichannel beam treatment optical system and described multichannel light source one_to_one corresponding；
Described light source, for shoot laser bundle；
Described multichannel beam treatment optical system, for collimating described laser beam, Shape correction；
Described reception device, for receiving the light that diffuse-reflectance returns, and generates signal according to the light received.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610862752.8A CN106249422A (en) | 2016-09-28 | 2016-09-28 | Multichannel beam treatment optical system and processing method, multi-path laser detector |
| PCT/CN2016/104516 WO2018058741A1 (en) | 2016-09-28 | 2016-11-04 | Multipath light beam processing optical system and processing method therefor, and multipath laser detector |
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| CN201610862752.8A CN106249422A (en) | 2016-09-28 | 2016-09-28 | Multichannel beam treatment optical system and processing method, multi-path laser detector |
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| CN108872968A (en) * | 2018-07-02 | 2018-11-23 | 广州市杜格科技有限公司 | The extracting method and its system of colour point clouds in laser scanning target object |
| CN109188401A (en) * | 2018-11-09 | 2019-01-11 | 深圳市速腾聚创科技有限公司 | laser radar optical system and laser radar |
| CN109870825A (en) * | 2017-12-01 | 2019-06-11 | 北京万集科技股份有限公司 | A kind of colimated light system and laser radar based on MEMS galvanometer |
| CN111344627A (en) * | 2017-12-05 | 2020-06-26 | 松下知识产权经营株式会社 | Light beam conversion optical system and light source device |
| CN113567999A (en) * | 2020-04-09 | 2021-10-29 | 华为技术有限公司 | Laser device, laser radar system and control method thereof |
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| CN112585490B (en) * | 2019-07-29 | 2023-08-04 | 深圳市速腾聚创科技有限公司 | Laser emission module, adjustment method thereof, laser radar and intelligent induction equipment |
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| WO2018058741A1 (en) | 2018-04-05 |
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