CN203813199U - Laser capable of outputting white light - Google Patents
Laser capable of outputting white light Download PDFInfo
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- CN203813199U CN203813199U CN201420062642.XU CN201420062642U CN203813199U CN 203813199 U CN203813199 U CN 203813199U CN 201420062642 U CN201420062642 U CN 201420062642U CN 203813199 U CN203813199 U CN 203813199U
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Abstract
The patent discloses a step layer structure of a laser capable of outputting white light mixed by red, green and blue light. The structure comprises a fiber-coupled red light outputting laser, a fiber-coupled green light outputting laser, a fiber-coupled blue light outputting laser, a fiber beam merging structure, a cooling device, and power supply equipment. The lasers are arranged in step layers to form an array placed in a frame, powered as a whole, and equipped with the cooling device. Each laser outputs through fiber coupling, and output light beams are merged by a fiber beam merger into one white light beam which is output. The above structural design can achieve the large-power white light laser of a compact step layer structure, and the laser carries out unified management of the red, green and blue light. The patent provides the unique and novel structural design of the step-layer unified-management structure aimed at the compact coupled-outputting large-power laser with the fiber beam merger.
Description
Technical field
The present invention relates to laser technology, coupling fiber closes bundle superpower laser field, specially refers to the optical, electrical and hot unified management structural design of compact ladder laminar superpower laser.
Background technology
Along with science and technology and the constant growth of productivity, the market of superpower laser and application expanding day.In field of lasers, the cost compare that obtains at present high power laser light output is high, complicated structure, and in default of effective heat management mode, and the situation that causes laser life-span to shorten can be found everywhere.And later maintenance cost is higher, these problems are contained the extensive use of laser.In the demand field to visible ray, particularly laser display field, as laser movie theatre and the outdoor demonstration of large laser, very urgent to the demand of high-power white light laser.
It is more effective at present that the scheme that adopts redgreenblue to swash combiner obtains white light Laser output, the implementation that cost performance is higher.Along with each field increases day by day to the demand of different capacity white light Laser output, efficient, white light laser heat management structure design has cheaply become extremely urgent subject under discussion.This patent swashs combiner for redgreenblue specially, and this implementation has been done structural design, to meet laser display, and biologic medical, medication chemistry, physical chemistry scientific research and military aviation, the widespread demand of the field dialogue ray lasers such as space flight.
Summary of the invention
The present invention proposes a kind of efficient, compactness, ladder laminar high-power white light laser structure design cheaply.The present invention greatly reduces the design of high-power white light laser, manufactures and maintenance cost.Compact conformation, simply, has effectively solved the key problem of white light laser, i.e. optical, electrical and hot unified management problem.
The compact ladder laminar high-power white light laser that the present invention proposes comprises coupling fiber output red light semiconductor laser, coupling fiber output green light solid laser and coupling fiber output semiconductor blue laser, and optical-fiber bundling structure, heat abstractor and power supply unit.
In technique scheme, the output light of each laser is through being coupled into an optical fiber, then by tying up or the mode of welding, through combiner device, is finally combined into light beam output, this ethod of remittance can realize the abundant even light from the light beam of various lasers, eliminate laser speckle to a great extent.
In technique scheme, the optical fiber of RGB laser is according to red, green different with blue three-color, adopts to tie up respectively or the bundle mode of closing of welding is done the first order and closed bundle, red, and green and blue each is a branch of.
In technique scheme, the first order of RGB laser is closed bundle optical fiber and is adopted and to tie up or the bundle mode of closing of welding is combined into a branch of again.
In technique scheme, RGB laser adopts the combination of ladder laminar array thermal managerial structure to place, m*n(m >=1 of putting, n >=1) array can be designed to 3*7,3*19,3*37 etc.,, according to the different requirements to white light, provide the different designs of putting.
In technique scheme, the light of the laser of every kind of color of RGB output is monitored by photodetector, and by automated power feedback system (APC), controls the laser output of every kind of color of RGB, to realize the stability management of power stage.
In technique scheme, the RGB laser of low-power output, as 500mW and 1000mW etc., adopt ladder multilayer closely to place, compactness, simple combination realizes hectowatt and above high-power white light output.
In technique scheme, the laser of every kind of color of RGB adopts respectively series connection, and the mode of parallel connection or connection in series-parallel combination is powered.
In technique scheme, heat abstractor has two kinds of implementations, the first: heat abstractor adopts semiconductor chilling plate to realize accurate temperature controlling in conjunction with modes such as temperature sensors to each green (light) laser, the heat of green (light) laser and semiconductor chilling plate is delivered on radiating fin, the air-flow that heat produces by fan is pulled away, and realizes heat radiation; And Red and blue light laser is adopted to non-accurate temperature controlling mode, the heat that they produce passes through vacuum chamber soaking plate, heat pipe, and the modes such as liquid, gas-cooled plates and microchannel are delivered on radiating fin, the air-flow that heat produces by fan is pulled away, and realizes heat radiation.The second: heat abstractor is red to each, green and blue laser adopts semiconductor chilling plate to realize accurate temperature controlling in conjunction with modes such as temperature sensors, the heat of all lasers and semiconductor chilling plate is delivered on radiating fin, and the air-flow that heat produces by fan is pulled away, and realizes heat radiation.
The compact ladder laminar high-power white light laser design that realizes optical, electrical and hot unified management that this patent proposes, can realize high-power, the white light laser production of low-coat scale.The laser of every kind of color of RGB adopts respectively series connection, parallel connection, and the connected mode of connection in series-parallel combination, different connected modes can realize low current work, avoids the designing and making of high-current circuit, has reduced cost, has improved practicality; RGB output light can be realized monochromatic power output management; The compact ladder laminar heat management structure scheme that this patent proposes, greatly reduces heat management cost, has optimized heat space distribution, makes the complanation of space multistory heat, has reduced heat density, has disperseed the thermogravimetric heart.Generally, it is efficient that this patent has solved high-power white light laser to a great extent effectively, high-power difficult problem of output and optical, electrical and hot unified management problem.
Compact ladder laminar array closes binding structure and not only can make single-point low-power be integrated into multiple spot high power to become possibility, reduced cost, conversion efficiency and the production efficiency of aspect of performance have been improved, and because combine several independent RGB lasers, also make assembling, safeguard convenient, manufacture and maintenance cost are low, the laser that described in employing this patent, method is produced, as single tube goes wrong, can change at any time, needn't change integral body, the single beam parts that only need maintenance to go wrong, thus cost saved, reduce risk.Make material cost and investment risk multiple spot, equalization.
This patent be realize high-power, the available heat management design of low-cost white light laser large-scale production, in laser display, biologic medical, medication chemistry, physical chemistry scientific research and military aviation, the fields such as space flight have a wide range of applications and market value.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, describe embodiments of the invention in detail, wherein:
Fig. 1 is the front elevation of a compact ladder laminar high-power white light laser.
The red laser of Fig. 2 band coupling fiber output closes bundle light splitting front elevation, and the mode of this figure explanation is not limited to ruddiness.
Drawing explanation, as shown below:
1. the green (light) laser of exporting with coupling fiber;
2. the blue laser of exporting with coupling fiber;
3. the red laser of exporting with coupling fiber;
4. bundling device;
5. photodetector;
6. optical fiber;
7. heat sink;
8. frame;
9. radiating fin;
10. fan;
11. driving powers.
Embodiment
Below in conjunction with accompanying drawing, the present invention is carried out to detailed explanation and explanation.
Fig. 1 is the front elevation of a compact ladder laminar high-power white light laser.Comprise a plurality of green (light) lasers 1, a plurality of blue lasers 2, a plurality of red lasers 3.Green (light) laser power output can be 300 mW, 500 mW, and 1000mW and 1500mW etc., but be not limited to this.Blue laser power output can be 1000 mW and 1600 mW etc., but is not limited to this.Red laser power output can be 500 mW and 1000 mW etc., but is not limited to this.With the green (light) laser 1 of coupling fiber output, blue laser 2 and red laser 3 ladder laminars are placed on heat sink 7, and fixed form can be heat-conducting glue, and elargol etc. are gluing, eutectic welding or other welding manners, and screw is fixed, but is not limited to this.Put as m*n(m >=1 n >=1) array, array can be designed to 3*7,3*19,3*37 etc., but be not limited to this.Green laser 1 spacing with coupling fiber output can be 1 mm, 2 mm or other sizes, but be not limited to this; Indigo plant and red laser 2,3 with coupling fiber output are also like this.Output light through optical fiber 6 by tying up or the mode of welding, but be not limited to this, to bundling device 4, the light beam that the Laser output of every kind of color of RGB pools respectively all can be provided with photodetector 5, part is exported to light and as feedback signal, send to power-supply controller of electric, the stability of centralized control shades of colour power stage, but be not limited to this.Each row output light by tying up or the mode of welding, but is not limited to this through optical fiber 6, finally converges as a branch of, and this ethod of remittance is eliminate laser speckle to a great extent.Complete equipment unification is placed in frame 8, bulk supply.Green (light) laser 1, the supply power mode of blue laser 2 and red laser 3 can be respectively series and parallel combination in any, as 1 of all green (light) laser adopt string (also) connection mode, powers; But be not limited to this.Laser is furnished with heat abstractor, heat abstractor has two kinds of implementations, the first: heat abstractor adopts semiconductor chilling plate in conjunction with modes such as temperature sensors to each green (light) laser 1, but is not limited to this, realizes accurate temperature controlling, the heat of green (light) laser 1 and semiconductor chilling plate is delivered on radiating fin 9, the material of radiating fin 9 is highly heat-conductive material, can be aluminium, stainless steel, brass and red copper etc., but be not limited to this.The air-flow that heat produces by fan 10 is pulled away, but is not limited to this, realizes heat radiation; And blue laser 2 and red laser 3 are adopted to non-accurate temperature controlling mode, the heat that they produce is by vacuum chamber soaking plate, heat pipe, the modes such as liquid, gas-cooled plates and microchannel, but be not limited to this, be delivered on radiating fin 9, the air-flow that heat produces by fan 10 is pulled away, but be not limited to this, realize heat radiation.Which, because temperature is slightly different, the wavelength of each Red and blue light laser is slightly different, and this is conducive to the spot that dissipates.The second: heat abstractor is to each green (light) laser 1, blue laser 2 and red laser 3 adopt semiconductor chilling plate to realize accurate temperature controlling in conjunction with modes such as temperature sensors, but be not limited to this, the heat of all lasers and semiconductor chilling plate is delivered on radiating fin 9, the air-flow that heat produces by fan 10 is pulled away, but be not limited to this, realize heat radiation.
Fig. 2 is that the red laser of exporting with coupling fiber closes bundle light splitting front elevation, and the mode of this figure explanation is not limited to ruddiness.This figure is in order to be described as follows mode: respectively by the photodetector 5 of an input port that is arranged on the optical-fiber bundling device (claim 6-9) of every kind of color of light of RGB, by monitoring respectively the gross output of every kind of color of light of RGB, realize the control to power.In figure, the light signal of photodetector 5 is from the input of optical-fiber bundling device 4, photodetector 5 by the signal feedback of every kind of color of light of RGB of collecting to driving power 11, realize APC and control, the stability of centralized control shades of colour power stage, but be not limited to this.
It should be noted that, the explanation of above drawings and Examples is only in order to illustrate that the managerial structure that realizes the compact ladder laminar high-power white light laser of optical, electrical and hot unified management of the present invention designs, but is non-ly limited to this.
It should be noted that, the described in the invention white light laser being formed by the combination of RGB laser is only explanation design philosophy of the present invention, but is not limited to this, also comprises the white light laser of other wavelength combinations.
It should be noted that, the present invention design can be used for the optical, electrical and hot unified management of superpower laser, as red, and the laser such as green and blue, but be not limited to this.
Any to modification of the present invention and accommodation, all can not depart from design philosophy intension of the present invention, all should be included within the scope of claim of the present invention.
Claims (19)
1. can realize the laser that white light is exported for one kind, it is characterized in that, this structure comprises coupling fiber output red laser, coupling fiber output green (light) laser and coupling fiber output blue laser, and optical-fiber bundling device, heat abstractor and power supply unit, the output light line focus mirror of each RGB laser is coupled into an optical fiber, the RGB laser of coupling fiber output, then through optical-fiber bundling device, be finally combined into a branch of white light output.
2. the laser of realizing white light output according to claim 1, is characterized in that, the output light of each RGB laser respectively line focus mirror is coupled into an optical fiber.
3. the laser of realizing white light output according to claim 1, is characterized in that, the RGB laser of coupling fiber output, then through optical-fiber bundling device, be finally combined into a branch of white light output.
4. the laser of realizing white light output according to claim 3, is characterized in that, all optical fiber of RGB laser adopt the bundle mode of closing of tying up to be combined into a branch of.
5. the laser of realizing white light output according to claim 3, is characterized in that, all optical fiber of RGB laser adopt and are fused to an optical fiber with certain length, are combined into a branch of after the even combiner of optical fiber.
6. the laser of realizing white light output according to claim 3, is characterized in that, the optical fiber of RGB laser is according to red, and the bundle mode of closing that green employings different from blue three-color are tied up is respectively done the first order and closed bundle, red, and green and blue each is a branch of.
7. the laser of realizing white light output according to claim 3, it is characterized in that, the optical fiber of RGB laser is according to red, and the bundle mode of closing that green employings different from blue three-color are fused to respectively an optical fiber is done the first order and closed bundle, red, green and blue each is a branch of.
8. the laser of realizing white light output according to claim 3, is characterized in that, the first order of RGB laser made in claim 6 or claim 7 is closed to bundle optical fiber, and to adopt the bundle mode of closing of tying up to be combined into a branch of again, realizes white light output.
9. the laser of realizing white light output according to claim 3, it is characterized in that, the first order of RGB laser made in claim 6 or claim 7 is closed to bundle optical fiber, and to adopt the bundle mode of closing be fused to an optical fiber to be combined into a branch of again, realizes white light output.
10. the laser of realizing white light output according to claim 1, is characterized in that, RGB laser adopts the combination of ladder laminar array thermal managerial structure to place, and puts as m*n(m >=1 n >=1) array.
11. lasers of realizing white light output according to claim 1, is characterized in that, RGB laser can arrange putting position according to heat dissipation characteristics and characteristic of heat distribution, can intert and put.
12. lasers of realizing white light output according to claim 1, is characterized in that, the heat abstractor of compact ladder laminar superpower laser is by heat-conducting plate, and radiating fin and fan form, and are assigned in the back of each layer of laser.
13. lasers of realizing white light output according to claim 1, is characterized in that, the heat abstractor of compact ladder laminar superpower laser is by heat-conducting plate, and radiating fin and fan form, and are assigned in top or bottom, left side or the right side of each layer of laser.
14. lasers of realizing white light output according to claim 1, is characterized in that, the electric current of the laser of every kind of color of RGB, controls by automated power feedback system, to realize the stability management of power stage.
15. lasers of realizing white light output according to claim 14, it is characterized in that, respectively by the photodetector of input port that is arranged on the optical-fiber bundling device of every kind of color of light of RGB, by the gross output of monitoring and feed back every kind of color of light of RGB, realize automated power FEEDBACK CONTROL.
16. lasers of realizing white light output according to claim 1, is characterized in that, adopt ladder multilayer closely to place in the RGB laser of low-power output, and combination realizes high-power output.
17. lasers of realizing white light output according to claim 1, is characterized in that, the laser of every kind of color of RGB adopts respectively series connection, and the mode of parallel connection or connection in series-parallel combination is powered.
18. according to the laser of the white light the realized output described in claim 12 or 13, it is characterized in that, its heat abstractor adopts semiconductor chilling plate to realize accurate temperature controlling in conjunction with modes such as temperature sensors to each green (light) laser, the heat of green (light) laser and semiconductor chilling plate is delivered on radiating fin, the air-flow that heat produces by fan is pulled away, and realizes heat radiation; And Red and blue light laser is adopted to non-accurate temperature controlling mode, the heat that they produce passes through vacuum chamber soaking plate, heat pipe, and the modes such as liquid, gas-cooled plates and microchannel are delivered on radiating fin, the air-flow that heat produces by fan is pulled away, and realizes heat radiation.
19. according to the laser of the white light the realized output described in claim 12 or 13, it is characterized in that, its heat abstractor is red to each, green and blue laser adopts semiconductor chilling plate to realize accurate temperature controlling in conjunction with modes such as temperature sensors, the heat of all lasers and semiconductor chilling plate is delivered on radiating fin, the air-flow that heat produces by fan is pulled away, and realizes heat radiation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420062642.XU CN203813199U (en) | 2014-02-12 | 2014-02-12 | Laser capable of outputting white light |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420062642.XU CN203813199U (en) | 2014-02-12 | 2014-02-12 | Laser capable of outputting white light |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519718A (en) * | 2017-09-18 | 2019-03-26 | 北京德瑞工贸有限公司 | A kind of high coloring laser lighting system of non-excited fluophor |
| CN110471191A (en) * | 2019-08-02 | 2019-11-19 | 福州腾景光电科技有限公司 | A kind of novel alternative light source and its implementation for material processing |
| CN110989278A (en) * | 2019-12-02 | 2020-04-10 | 江苏师范大学 | Optical fiber conduction green light source and all-fiber laser backlight source device |
-
2014
- 2014-02-12 CN CN201420062642.XU patent/CN203813199U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519718A (en) * | 2017-09-18 | 2019-03-26 | 北京德瑞工贸有限公司 | A kind of high coloring laser lighting system of non-excited fluophor |
| CN110471191A (en) * | 2019-08-02 | 2019-11-19 | 福州腾景光电科技有限公司 | A kind of novel alternative light source and its implementation for material processing |
| CN110471191B (en) * | 2019-08-02 | 2021-03-30 | 腾景科技股份有限公司 | Novel multiband light source for material processing and implementation method thereof |
| CN110989278A (en) * | 2019-12-02 | 2020-04-10 | 江苏师范大学 | Optical fiber conduction green light source and all-fiber laser backlight source device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20190212 |