CN109960042A - A kind of multi-thread beam laser lighting light source - Google Patents
A kind of multi-thread beam laser lighting light source Download PDFInfo
- Publication number
- CN109960042A CN109960042A CN201910341342.2A CN201910341342A CN109960042A CN 109960042 A CN109960042 A CN 109960042A CN 201910341342 A CN201910341342 A CN 201910341342A CN 109960042 A CN109960042 A CN 109960042A
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- CN
- China
- Prior art keywords
- light source
- thread beam
- lighting light
- beam laser
- laser lighting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004065 semiconductor Substances 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 13
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 7
- 229910017083 AlN Inorganic materials 0.000 claims description 3
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005286 illumination Methods 0.000 claims 1
- 230000010354 integration Effects 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 5
- 230000005622 photoelectricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- 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
- G02B27/0916—Adapting the beam shape of a semiconductor light source such as a laser diode or an LED, e.g. for efficiently coupling into optical fibers
-
- 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
- G02B27/0916—Adapting the beam shape of a semiconductor light source such as a laser diode or an LED, e.g. for efficiently coupling into optical fibers
- G02B27/0922—Adapting the beam shape of a semiconductor light source such as a laser diode or an LED, e.g. for efficiently coupling into optical fibers the semiconductor light source comprising an array of light emitters
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Abstract
The present invention discloses a kind of multi-thread beam laser lighting light source, the light source by 905nm semiconductor laser chip, drive circuit substrate, pedestal, fast axis collimation microscope group at；Pedestal plays support heat spreading function in bottom, drive circuit substrate is fixed on the base surface, 905nm semiconductor laser chip is welded on driving circuit upper surface, fast axis collimation mirror is fixed on immediately ahead of 905nm semiconductor laser chip, realizes multi-thread beam, small size, high-power modular laser light source.
Description
Technical field
The present invention relates to a kind of multi-thread beam laser lighting light sources, especially a kind of more applied to machinery rotating type laser radar
Line beam laser lighting source belongs to laser radar technique field.
Background technique
Laser radar in fields such as unmanned, AGV, mappings using more and more extensive, wherein machinery rotating type laser thunder
Up to being one of the laser radar be used widely on the market at present.With the iteratively faster of technology, mechanical radar needs higher
Resolution ratio, therefore the harness of mechanical radar also requires more more dense, this encapsulates the integrated electro of multi-thread beam laser light source
Technology, system radiating, complete machine adjustment, mechanical deformation control are proposed very big challenge, and the present invention can well solve
The problem of encountering above.
Summary of the invention
It is an object of the invention to propose a kind of photoelectricity integration packaging applied to the multi-thread beam of machinery rotating type laser radar
Light-source structure, solve the photoelectricity integration packaging of light source, improve light source heat radiation and deformation, simplify radar complete machine adjustment effect
Rate promotes whole aircraft reliability.
The technical scheme adopted by the invention to solve the technical problem is that: the present invention proposes a kind of the more of photoelectricity integration packaging
Line beam laser radar light source, the system is by pedestal, drive circuit substrate, fast axis collimation mirror and 905nm semiconductor laser chip
Composition.
Submount material of the present invention is W90/Cu10 or other alloys, and the gold of 99.99% purity is plated on surface, gold-plated
Layer is with a thickness of 0.8um ~ 1.2um.
Drive circuit substrate material of the present invention is aluminium nitride ceramics, thickness 0.5mm ~ 1mm.
Fast axis collimation mirror effective focal length of the present invention be 0.3mm ~ 1.5mm, and lens front and rear surfaces plating 400nm ~
The anti-reflection film of 2200nm.
905nm semiconductor laser chip arrangement of the present invention is arranged along the drive circuit substrate edge, and
For two neighboring chip chamber away from > 0.8mm, arrangements of chips angle is 0 ° ~ 50 °.
Multi-thread beam laser radar light source of the present invention is by 905nm semiconductor laser chip, drive circuit substrate, bottom
Seat, fast axis collimation microscope group at；Pedestal plays support heat spreading function in bottom, and drive circuit substrate is fixed on the base surface,
905nm semiconductor laser chip is welded on driving circuit upper surface, and fast axis collimation mirror is fixed on 905nm semiconductor laser core
Immediately ahead of piece.
Present invention is mainly applied to the multi-thread beam laser radars of machinery rotating type.
Brought beneficial effect is the present invention compared with prior art:
1, integration packaging multi-channel semiconductor chip of laser realizes multi-thread beam, small size integration packaging；
2, it is effectively reduced due to deformation caused by expanding with heat and contract with cold；
3, modularization is installed, and improves production efficiency.
Detailed description of the invention
Fig. 1 is multi-thread beam laser lighting light source schematic diagram.
Fig. 2 is multi-thread beam laser lighting light source top view.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
Figure description embodiment is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
Referring to following description and drawings, it will be clear that the embodiment of the present invention and other aspects.In these descriptions and attached drawing
In, some particular implementations in the embodiment of the present invention are specifically disclosed, to indicate to implement the original of the embodiment of the present invention
Some modes of reason, but it is to be understood that the scope of embodiments of the invention is not limited；On the contrary, the embodiment of the present invention
All changes, modification and equivalent within the scope of spirit and intension including falling into attached claims.
Existing laser radar light source major part volume is larger, cannot be considered in terms of miniaturization and high-power output, product is reliable
Property is unable to satisfy customer demand.Present invention seek to address that the pain spot of laser radar light source is realized by reasonably designing on the market
The high performance laser radar light source of small size high power.
As shown in Figure 1, the light source module is by 905nm semiconductor laser chip 1, drive circuit substrate 2, pedestal 3, fast axle
Collimating mirror 4 forms.
Preferably, the material of pedestal 3 is W90/Cu10 or other alloys in the present invention, and 99.99% purity is plated on surface
Gold, plated thickness are 0.8um ~ 1.2um, can sufficiently be radiated, and module temperature is reduced.
Preferably, the material of drive circuit substrate 2 is aluminium nitride ceramics in the present invention, and thickness 0.5mm ~ 1mm has good
Heat dissipation characteristics, circuit substrate deformation risk is preferably minimized.
Preferably, the effective focal length of fast axis collimation mirror 4 is 0.3mm ~ 1.5mm in the present invention, and lens front and rear surfaces are plated
Fast axle angle is compressed to close with slow axis angle by the anti-reflection film of 400nm ~ 2200nm, shorter focal length, makes light source shaping more
It is convenient.
Preferably, 905nm semiconductor laser chip 1 encapsulates permutation as shown in Fig. 2, along driving circuit base in the present invention
The arrangement of 2 edge of plate, and two neighboring chip chamber, away from > 0.8mm, arrangements of chips angle is 0 ° ~ 50 °.
Claims (6)
1. a kind of multi-thread beam laser lighting light source, which is characterized in that the light source is by pedestal, drive circuit substrate, fast axis collimation
Mirror and 905nm semiconductor laser chip composition.
2. a kind of multi-thread beam laser lighting light source according to claim 1, which is characterized in that the submount material is
The gold of 99.99% purity is plated on W90/Cu10 or other alloys, surface, and plated thickness is 0.8um ~ 1.2um.
3. a kind of multi-thread beam laser lighting light source according to claim 1, which is characterized in that the drive circuit substrate material
Material is aluminium nitride ceramics, thickness 0.5mm ~ 1mm.
4. a kind of multi-thread beam laser lighting light source according to claim 1, which is characterized in that the fast axis collimation mirror has
Effect focal length is 0.3mm ~ 1.5mm, and lens front and rear surfaces plate the anti-reflection film of 400nm ~ 2200nm.
5. a kind of multi-thread beam laser lighting light source according to claim 1, which is characterized in that the 905nm semiconductor
Chip of laser arrangement is arranged along the drive circuit substrate edge, and two neighboring chip chamber is away from > 0.8mm, arrangements of chips
Angle is 0 ° ~ 50 °.
6. a kind of multi-thread beam laser lighting light source according to any one of claims 1 to 5, which is characterized in that the illumination light
Source is applied to laser radar field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910341342.2A CN109960042A (en) | 2019-04-26 | 2019-04-26 | A kind of multi-thread beam laser lighting light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910341342.2A CN109960042A (en) | 2019-04-26 | 2019-04-26 | A kind of multi-thread beam laser lighting light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109960042A true CN109960042A (en) | 2019-07-02 |
Family
ID=67026705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910341342.2A Pending CN109960042A (en) | 2019-04-26 | 2019-04-26 | A kind of multi-thread beam laser lighting light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109960042A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2003484A1 (en) * | 2007-06-12 | 2008-12-17 | JDS Uniphase Corporation | A Light Source |
| CN205090223U (en) * | 2015-11-18 | 2016-03-16 | 曹丰慧 | Waterproof laser illuminator of even light of portable high power |
| CN105846311A (en) * | 2016-05-23 | 2016-08-10 | 华中科技大学 | Semiconductor laser |
-
2019
- 2019-04-26 CN CN201910341342.2A patent/CN109960042A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2003484A1 (en) * | 2007-06-12 | 2008-12-17 | JDS Uniphase Corporation | A Light Source |
| CN205090223U (en) * | 2015-11-18 | 2016-03-16 | 曹丰慧 | Waterproof laser illuminator of even light of portable high power |
| CN105846311A (en) * | 2016-05-23 | 2016-08-10 | 华中科技大学 | Semiconductor laser |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190702 |