CN111355119A - Convergence integrated laser device - Google Patents
Convergence integrated laser device Download PDFInfo
- Publication number
- CN111355119A CN111355119A CN202010262636.9A CN202010262636A CN111355119A CN 111355119 A CN111355119 A CN 111355119A CN 202010262636 A CN202010262636 A CN 202010262636A CN 111355119 A CN111355119 A CN 111355119A
- Authority
- CN
- China
- Prior art keywords
- light
- laser
- heat sink
- laser device
- mounting
- 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
- 230000017525 heat dissipation Effects 0.000 claims description 15
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
- 239000010931 gold Substances 0.000 claims description 5
- 238000007747 plating Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 9
- 230000005494 condensation Effects 0.000 abstract description 2
- 238000009833 condensation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000003491 array Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
- H01S5/0267—Integrated focusing lens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/023—Mount members, e.g. sub-mount members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/0233—Mounting configuration of laser chips
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/0235—Method for mounting laser chips
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
- H01S5/02469—Passive cooling, e.g. where heat is removed by the housing as a whole or by a heat pipe without any active cooling element like a TEC
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Abstract
The invention discloses a convergence integrated laser device, wherein one side of a heat sink is provided with an installation surface with a downward concave middle part, a plurality of laser light-emitting units are installed on the installation surface, and emergent light of the plurality of laser light-emitting units forms a convergence point on one side of the installation surface. Through the convergence integrated laser device with the optimized design, the heat sink is provided with the concave mounting surface to form the bowl-shaped structure, so that the emergent light of the laser light-emitting unit mounted on the mounting surface is converged towards the direction of the bowl center, a light-condensing device is not required to be additionally arranged, light condensation of laser light with different wavelengths can be realized, meanwhile, the heat generated by the laser light-emitting unit is conveniently dissipated by taking the heat sink as a mounting base body, and constant temperature work of the laser is realized.
Description
Technical Field
The invention relates to the technical field of laser, in particular to a convergence integrated laser device.
Background
In recent years, laser technology has been rapidly developed, and laser has characteristics of good directivity, high brightness, good monochromaticity, high energy density and the like, so that a high-power laser diode is widely applied to the fields of laser processing, laser display, laser illumination and the like.
In actual use, to further increase the energy density, half use monochromatic or polychromatic laser arrays. At present, the laser arrays are all used in a planar array, and a lens is needed to be used for single or multiple times of compression and convergence.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a convergence integrated laser device.
The invention provides a convergence integrated laser device, which comprises: the heat sink is provided with a plurality of laser light emitting units;
one side of the heat sink is provided with a mounting surface with a downward concave middle part, the plurality of laser light-emitting units are mounted on the mounting surface, and emergent light of the plurality of laser light-emitting units forms a convergence point on one side of the mounting surface.
Preferably, the LED lamp further comprises a light evening mechanism, and the light evening mechanism is positioned on one side of the heat sink close to the mounting surface.
Preferably, the light evening mechanism adopts a light bar.
Preferably, the mounting surface is formed by a plurality of mounting sub-planes, each laser light-emitting unit is mounted on one of the mounting sub-planes, and the light-emitting direction of the laser light-emitting unit is perpendicular to the mounting sub-plane on which the laser light-emitting unit is located.
Preferably, each mounting sub-plane is provided with a mounting groove, and each laser light emitting unit is mounted in one mounting groove.
Preferably, the heat sink is provided with a plurality of wiring grooves on one side away from the mounting surface, and each wiring groove is positioned between two adjacent mounting grooves and between two adjacent mounting grooves.
Preferably, the heat dissipation device further comprises a heat dissipation mechanism, the heat dissipation mechanism is located on one side, away from the mounting surface, of the heat sink, and the heat sink is mounted on the heat dissipation mechanism.
Preferably, the laser light emitting unit employs RGB three-primary-color lasers.
Preferably, the heat sink is made of copper material.
Preferably, the heat sink surface is coated with a gold plating layer.
According to the convergence integrated laser device, the heat sink side is provided with the installation surface with the middle part sunken downwards, the plurality of laser light-emitting units are installed on the installation surface, and emergent light of the plurality of laser light-emitting units forms a convergence point on one side of the installation surface. Through the convergence integrated laser device with the optimized design, the heat sink is provided with the concave mounting surface to form the bowl-shaped structure, so that the emergent light of the laser light-emitting unit mounted on the mounting surface is converged towards the direction of the bowl center, a light-condensing device is not required to be additionally arranged, light condensation of laser light with different wavelengths can be realized, meanwhile, the heat generated by the laser light-emitting unit is conveniently dissipated by taking the heat sink as a mounting base body, and constant temperature work of the laser is realized.
Drawings
Fig. 1 is a schematic structural diagram of a convergence integrated laser device according to the present invention.
Fig. 2 is a schematic structural diagram of a heat sink and a light uniformizing mechanism of a convergence integrated laser device according to the present invention.
Fig. 3 is a schematic optical path diagram of a convergence integrated laser device according to the present invention.
Detailed Description
Fig. 1 to 3 show a schematic structural diagram of a convergence integrated laser device according to the present invention, fig. 1 shows a schematic structural diagram of a heat sink and a light uniformizing mechanism of a convergence integrated laser device according to the present invention, fig. 2 shows a schematic structural diagram of a heat sink and a light uniformizing mechanism of a convergence integrated laser device according to the present invention, and fig. 3 shows a schematic optical path diagram of a convergence integrated laser device according to the present invention.
Referring to fig. 1 and 3, a convergence integrated laser device according to the present invention includes a heat sink 1, a plurality of laser light emitting units 3;
one side of the heat sink 1 is provided with a mounting surface with a downward concave middle part, the plurality of laser light-emitting units 3 are mounted on the mounting surface, and emergent light of the plurality of laser light-emitting units 3 forms a convergence point on one side of the mounting surface.
In the embodiment, the proposed convergence integrated laser device has a heat sink side provided with a mounting surface with a downward-recessed middle portion, a plurality of laser light emitting units mounted on the mounting surface, and light emitted from the plurality of laser light emitting units forms a convergence point on the mounting surface side. Through the convergence integral type laser device of above-mentioned optimal design, set up sunken installation face on heat sink and form bowl-shaped structure, make the emergent light of installing the laser luminescence unit at the installation face converge towards the bowl center direction, need not to dispose the condensing element in addition, can realize the spotlight of different wavelength laser, thereby realize the improvement of beam intensity, with this demand to high power laser is satisfied, simultaneously through heat sink as the installation base member, be convenient for dispel the heat that laser luminescence unit work produced, realize the constant temperature work of laser.
In a specific embodiment, the light-homogenizing mechanism 2 is further included, and the light-homogenizing mechanism 2 is positioned on one side of the heat sink 1 close to the mounting surface; the emergent light of the laser light-emitting units is converged and then enters the light homogenizing mechanism for light homogenizing modulation.
In a specific selection mode of the light uniformizing mechanism, the light uniformizing mechanism 2 adopts a light bar.
In a specific design mode of the mounting surface of the heat sink, the mounting surface is composed of a plurality of mounting sub-planes 11, each laser light-emitting unit 3 is mounted on one mounting sub-plane 11, and the light-emitting direction of the laser light-emitting unit 3 is perpendicular to the mounting sub-plane 11 where the laser light-emitting unit is located; and the mounting sub-plane is arranged, and the mounting sub-plane where each laser light-emitting unit is positioned is used as a reference surface during mounting, so that the laser light-emitting units are conveniently mounted, and the laser light emitted by each laser light-emitting unit is converged to the same point.
In a further embodiment, each mounting sub-plane 11 is provided with a mounting slot, and each laser emitting unit 3 is mounted in one mounting slot.
Referring to fig. 2, in order to facilitate connection of power supply lines of a plurality of laser light emitting units, in another specific design manner of this embodiment, a plurality of wiring grooves 12 are provided on a side of the heat sink 1 away from the mounting surface, and each wiring groove 12 is located between two adjacent mounting grooves and between two adjacent mounting grooves.
In other specific embodiments, the laser further comprises a heat dissipation mechanism 4, the heat dissipation mechanism 4 is located on one side of the heat sink 1 away from the mounting surface, the heat sink 1 is mounted on the heat dissipation mechanism 4, and the heat dissipation system conducts and dissipates heat generated by the laser during operation through the bowl-shaped heat sink. In actual design, the heat dissipation mechanism can select air cooling heat dissipation or water cooling heat dissipation.
In a specific selection manner of the laser light emitting unit, the laser light emitting unit 3 may select a monochromatic laser or adopt an RGB three-primary-color laser.
In order to ensure the heat dissipation effect of the heat sink, the heat sink 1 is made of a copper material, so that a high-power laser diode (or a laser diode module) can dissipate heat conveniently; further, the surface of the heat sink 1 is coated with a gold plating layer; the gold plating is used for corrosion resistance, the gold has strong laser reflection capacity (close to 100 percent), and the problem that the heat sink absorbs more laser to cause more heating can be avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A convergence integrated laser device comprising: a heat sink (1), a plurality of laser light emitting units (3);
one side of the heat sink (1) is provided with a mounting surface with a downward concave middle part, the plurality of laser light-emitting units (3) are mounted on the mounting surface, and emergent light of the plurality of laser light-emitting units (3) forms a convergence point on one side of the mounting surface.
2. The converging monolithic laser device according to claim 1, further comprising a light unifying means (2), the light unifying means (2) being located on a side of the heat sink (1) adjacent to the mounting surface.
3. The converging monolithic laser device according to claim 2, wherein the light homogenizing mechanism (2) employs a light rod.
4. The converging monolithic laser device according to claim 1, wherein the mounting surface is formed by a plurality of mounting sub-planes (11), each laser emitting unit (3) being mounted on one of the mounting sub-planes (11) and the light emitting direction of the laser emitting unit (3) being perpendicular to the mounting sub-plane (11) on which it is located.
5. The converging monolithic laser device according to claim 4, wherein each mounting sub-plane (11) is provided with a mounting slot, and each laser emitting unit (3) is mounted in one mounting slot.
6. The convergence integrated laser device according to claim 5, wherein the heat sink (1) is provided with a plurality of wiring grooves (12) on a side away from the mounting surface, and each wiring groove (12) is positioned between and in contact with two adjacent mounting grooves.
7. The convergence integrated laser device according to claim 1, further comprising a heat dissipation mechanism (4), wherein the heat dissipation mechanism (4) is located on a side of the heat sink (1) away from the mounting surface, and the heat sink (1) is mounted on the heat dissipation mechanism (4).
8. The convergence integrated laser device according to claim 1, wherein the laser light emitting unit (3) employs RGB three primary color lasers.
9. The converging monolithic laser device according to claim 1, characterized in that the heat sink (1) is made of copper material.
10. The converging integrated laser device according to claim 9, wherein the heat sink (1) is surface coated with gold plating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010262636.9A CN111355119A (en) | 2020-04-03 | 2020-04-03 | Convergence integrated laser device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010262636.9A CN111355119A (en) | 2020-04-03 | 2020-04-03 | Convergence integrated laser device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111355119A true CN111355119A (en) | 2020-06-30 |
Family
ID=71197653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010262636.9A Pending CN111355119A (en) | 2020-04-03 | 2020-04-03 | Convergence integrated laser device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111355119A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120112661A1 (en) * | 2010-11-05 | 2012-05-10 | Cree, Inc. | Lighting device with multiple emitters and remote lumiphor |
| US20120206918A1 (en) * | 2009-09-30 | 2012-08-16 | Amoluxe Co., Ltd. | Led lighting apparatus having block assembling structure |
| US20140301071A1 (en) * | 2011-10-23 | 2014-10-09 | Martin Professional A/S | Illumination device with multi-colored light beam |
| US20160128140A1 (en) * | 2013-09-20 | 2016-05-05 | Osram Sylvania Inc. | Lighting techniques utilizing solid-state lamps with electronically adjustable light beam distribution |
| US20170340386A1 (en) * | 2014-11-10 | 2017-11-30 | Sanhe Laserconn Tech Co., Ltd. | High power vcsel laser treatment device with skin cooling function and packaging structure thereof |
| CN211629515U (en) * | 2020-04-03 | 2020-10-02 | 合肥全色光显科技有限公司 | Convergence integrated laser device |
-
2020
- 2020-04-03 CN CN202010262636.9A patent/CN111355119A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120206918A1 (en) * | 2009-09-30 | 2012-08-16 | Amoluxe Co., Ltd. | Led lighting apparatus having block assembling structure |
| US20120112661A1 (en) * | 2010-11-05 | 2012-05-10 | Cree, Inc. | Lighting device with multiple emitters and remote lumiphor |
| US20140301071A1 (en) * | 2011-10-23 | 2014-10-09 | Martin Professional A/S | Illumination device with multi-colored light beam |
| US20160128140A1 (en) * | 2013-09-20 | 2016-05-05 | Osram Sylvania Inc. | Lighting techniques utilizing solid-state lamps with electronically adjustable light beam distribution |
| US20170340386A1 (en) * | 2014-11-10 | 2017-11-30 | Sanhe Laserconn Tech Co., Ltd. | High power vcsel laser treatment device with skin cooling function and packaging structure thereof |
| CN211629515U (en) * | 2020-04-03 | 2020-10-02 | 合肥全色光显科技有限公司 | Convergence integrated laser device |
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