CN203455547U - Multipath merging coupled system of fiber laser - Google Patents
Multipath merging coupled system of fiber laser Download PDFInfo
- Publication number
- CN203455547U CN203455547U CN201320544712.0U CN201320544712U CN203455547U CN 203455547 U CN203455547 U CN 203455547U CN 201320544712 U CN201320544712 U CN 201320544712U CN 203455547 U CN203455547 U CN 203455547U
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- semiconductor laser
- mirror lens
- coupled system
- multichannel
- merges
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Abstract
The utility model provides a multipath merging coupled system of a fiber laser. The system comprises a semiconductor laser module combination, a reflection lens and a fiber collimator. With a center axis of the reflection lens as a central reference axis, the fiber collimator is disposed on the center axis and is close to a focal point of the reflection lens. The semiconductor laser module combination comprises semiconductor laser modules which are symmetrically disposed on two sides of the center axis, and the semiconductor laser further comprises a heat sink, a laser source, and a fast shaft. Light emitted by a laser source emits to the reflection lens after collimation by the fast shafts, and after reflection by the reflection lens, the light is focused on the fiber collimator. After coupling, large power output of the semiconductor laser chip is realized. Methods of used reflection lens can be chosen flexibly. The system is convenient to manufacture, convenient to adjust, and is easy to operate in process.
Description
Technical field
The utility model belongs to high power laser field, and particularly a kind of multichannel of fiber laser merges coupled system.
Background technology
Fiber laser is the quite promising light source in current high power laser field, in medical treatment and industrial developing widely, applies.Compare other high power laser, as all solid laser or carbon dioxide laser, fiber laser will be little with its volume, and the advantage of the high uniqueness of cost performance occupies larger share in application market.
The chip technology difficulty that is high power laser pumping source more than 10W due to current making power is larger, so laser diode pump source chip more than 20W, the mode that adopts the fiber laser pumping source chip array about a plurality of 10W to arrange, or the mode that adopts the fiber laser pumping source chip portfolio about single 10W to export.Illustrate, as shown in Figure 1, the publication number of nLight Photonics Corporation is US2007/0116071A1 patent, its technical scheme is that semiconductor laser (Diode Laser) module comprises the semiconductor laser device of a plurality of staircase stack on heat radiator (Cooling Block).
Summary of the invention
The purpose of this utility model is the coupled system that the multichannel discrete semiconductor laser instrument of a kind of compactness of proposition integrates.
The utility model provides a kind of multichannel of fiber laser to merge coupled system, comprise semiconductor laser module combination, mirror lens and optical fiber collimator, datum line centered by the central shaft of above-mentioned mirror lens, optical fiber collimator is arranged on central shaft, and is positioned near the focal length point of mirror lens; The both sides that are distributed in central shaft of the semiconductor laser module symmetry that semiconductor module combination comprises; And that semiconductor laser further comprises is heat sink, lasing light emitter and fast axle, and the light of lasing light emitter outgoing shines on mirror lens after fast axis collimation, by mirror lens reflect focalization to optical fiber collimator.
Wherein, preferred implementation is: semiconductor laser module combination comprises a plurality of semiconductor laser modules.
Wherein, preferred implementation is: fast axle is set to fit in heat sink side, is parallel to the bottom surface substrate of laser instrument.
Wherein, preferred implementation is: fast axle be set to fit in heat sink above, perpendicular to the bottom surface substrate of laser instrument.
Wherein, preferred implementation is: mirror lens is holistic concave lens.
Wherein, preferred implementation is: mirror lens comprises and is symmetricly set on central datum line both sides the first catoptron and the second catoptron.
Wherein, preferred implementation is: mirror lens comprise be symmetricly set on central datum line both sides to equaling the small reflector of above-mentioned laser module number.
Compared with prior art, advantage and good effect that the multichannel of fiber laser of the present utility model merges coupled system are: first, a plurality of laser modules are roughly symmetrical along the axis of mirror lens, and optical fiber collimator is arranged near the position that is positioned at mirror lens focus point on axis, makes laser light source can be good at merging and be coupled; Secondly, semiconductor laser module can be set to symmetrical a plurality of mutually, can the quantity of semiconductor laser module be set power stage according to actual needs, and after coupling, realize the high-power output of semiconductor laser chip; Again, select flexibly the mode of the mirror lens of employing, easy to make, and easy to adjust, and easily operation in technique; Finally, than the coupled system of existing lens-type, compacter in coupled system structure of the present utility model.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the diode laser of front case patent US2007/0116071A1.
Fig. 2 is the light channel structure schematic diagram that the multichannel of the first embodiment of the present utility model merges coupled system.
Fig. 3 is the light channel structure schematic diagram that the multichannel of the second embodiment of the present utility model merges coupled system.
Fig. 4 is the light channel structure schematic diagram that the multichannel of the 3rd embodiment of the present utility model merges coupled system.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done further and described in detail.
2 is known with reference to the accompanying drawings, and the multichannel that the utility model relates to a kind of fiber laser merges coupled system.This system comprises semiconductor laser module combination 200, mirror lens 300 and optical fiber collimator 400.Wherein, semiconductor laser module combination 200 comprises a plurality of semiconductor laser modules 210, and referring to Fig. 2, the semiconductor laser module combination 200 in Fig. 2 comprises 4 semiconductor laser modules 210.Datum line CC ' centered by the central shaft of mirror lens 300, the both sides that are distributed in central datum line CC ' of semiconductor module combination 200 semiconductor laser module comprising 210 symmetries.It is upper that optical fiber collimator 400 is arranged on central datum line CC ', and be positioned near the focal length point of mirror lens 300.
That semiconductor laser 210 as shown in Figure 2 comprises is heat sink 211, lasing light emitter 212 and fast axle 213, wherein fast axle 213 is set to fit in heat sink 211 side, the bottom surface substrate that is parallel to laser instrument, or, fast axle 213 be set to fit in heat sink 211 above, perpendicular to the bottom surface substrate of laser instrument.The light of the outgoing of lasing light emitter 212 shines on mirror lens 300 after fast axle 213 collimations.In Fig. 2, find out, the both sides semiconductor laser module 210 that is symmetrically distributed in central datum line CC ' outgoing after fast axle 213 collimations is parallel each other to the light on mirror lens 300, focuses to that optical fiber collimator 400 is laggard to be entered in optical fiber circuit through the concave reflection of mirror lens 300 simultaneously.
As shown in Figure 3, Fig. 3 is the schematic diagram that the multichannel of the utility model fiber laser merges the second embodiment of coupled system.This system comprises semiconductor laser module combination 200, mirror lens 500 and optical fiber collimator 400.Wherein, semiconductor laser module combination 200 comprises a plurality of semiconductor laser modules 210, and referring to Fig. 3, the semiconductor laser module combination 200 in Fig. 3 comprises 4 semiconductor laser modules 210.Mirror lens 500 comprises two symmetrically arranged the first catoptrons 510 and the second catoptron 520, datum line CC ' centered by the axis of symmetry of the first catoptron 510 and the second catoptron 520, the both sides that are distributed in central datum line CC ' of semiconductor module combination 200 semiconductor laser module comprising 210 symmetries.It is upper that optical fiber collimator 400 is arranged on central datum line CC ', and be positioned near the focal length point of mirror lens 500.
That semiconductor laser 210 as shown in Figure 3 comprises is heat sink 211, lasing light emitter 212 and fast axle 213, wherein fast axle 213 is set to fit in heat sink 211 side, the bottom surface substrate that is parallel to laser instrument, or, fast axle 213 be set to fit in heat sink 211 above, perpendicular to the bottom surface substrate of laser instrument.The light of the outgoing of lasing light emitter 212 shines on mirror lens 500 after fast axle 213 collimations.In Fig. 2, find out, the both sides semiconductor laser module 210 that is symmetrically distributed in central datum line CC ' parallel outgoing after fast axle 213 collimations, to first catoptron 510 and the second catoptron 520 of mirror lens 500, focuses to through the concave reflection of the first catoptron 510 and the second catoptron 520 that optical fiber collimator 400 is laggard to be entered in optical fiber circuit simultaneously.
As shown in Figure 4, Fig. 4 is the schematic diagram that the multichannel of the utility model fiber laser merges the 3rd embodiment of coupled system.This system comprises semiconductor laser module combination 200, mirror lens 600 and optical fiber collimator 400.Wherein, semiconductor laser module combination 200 comprises a plurality of semiconductor laser modules 210, and referring to Fig. 4, the semiconductor laser module combination 200 in Fig. 4 comprises 4 semiconductor laser modules 210.Mirror lens 600 comprises a plurality of small reflectors 610 that arrange equaling semiconductor laser module 210, datum line CC ' centered by the axis of symmetry of small reflector 610, semiconductor module combination 200 semiconductor laser modules that comprise 210 are distributed in the both sides of central datum line CC '.It is upper that optical fiber collimator 400 is arranged on central datum line CC ', and be positioned near the focal length point of a plurality of small reflectors 610 of mirror lens 600.
That semiconductor laser 210 as shown in Figure 4 comprises is heat sink 211, lasing light emitter 212 and fast axle 213, wherein fast axle 213 is set to fit in heat sink 211 side, the bottom surface substrate that is parallel to laser instrument, or, fast axle 213 be set to fit in heat sink 211 above, perpendicular to the bottom surface substrate of laser instrument.The light of the outgoing of lasing light emitter 212 shines on mirror lens 600 after fast axle 213 collimations.In Fig. 2, find out, the both sides semiconductor laser module 210 that is symmetrically distributed in central datum line CC ' parallel outgoing after fast axle 213 collimations, to the small reflector 610 of mirror lens 600, focuses to through the concave reflection of small reflector 610 that optical fiber collimator 400 is laggard to be entered in optical fiber circuit simultaneously.
Compared with prior art, advantage and good effect that the multichannel of fiber laser of the present utility model merges coupled system are: first, a plurality of laser modules are roughly symmetrical along the axis of mirror lens, and optical fiber collimator is arranged near the position that is positioned at mirror lens focus point on axis, makes laser light source can be good at merging and be coupled; Secondly, semiconductor laser module can be set to symmetrical a plurality of mutually, can the quantity of semiconductor laser module be set power stage according to actual needs, and after coupling, realize the high-power output of semiconductor laser chip; Again, select flexibly the mode of the mirror lens of employing, easy to make, and easy to adjust, and easily operation in technique; Finally, than the coupled system of existing lens-type, compacter in coupled system structure of the present utility model.
The above, be only the utility model most preferred embodiment, and not for limiting scope of the present utility model, all equivalences of doing according to the utility model claim change or modify, and are all the utility model and contain.
Claims (7)
1. the multichannel of a fiber laser merges coupled system, comprise the combination of semiconductor laser module, a mirror lens and an optical fiber collimator, datum line centered by the central shaft of above-mentioned mirror lens, it is characterized in that: optical fiber collimator is arranged on central shaft, and be positioned near the focal length point of mirror lens; The both sides that are distributed in central shaft of the semiconductor laser module symmetry that semiconductor module combination comprises; And that semiconductor laser further comprises is heat sink, lasing light emitter and fast axle, and the light of lasing light emitter outgoing shines on mirror lens after fast axis collimation, by mirror lens reflect focalization to optical fiber collimator.
2. the multichannel of fiber laser according to claim 1 merges coupled system, it is characterized in that: above-mentioned semiconductor laser module combination comprises a plurality of semiconductor laser modules.
3. the multichannel of fiber laser according to claim 1 merges coupled system, it is characterized in that: fast axle is set to fit in heat sink side, is parallel to the bottom surface substrate of laser instrument.
4. the multichannel of fiber laser according to claim 1 merges coupled system, it is characterized in that: fast axle be set to fit in heat sink above, perpendicular to the bottom surface substrate of laser instrument.
5. the multichannel of fiber laser according to claim 1 merges coupled system, it is characterized in that: mirror lens is holistic concave lens.
6. the multichannel of fiber laser according to claim 1 merges coupled system, it is characterized in that: mirror lens comprises and is symmetricly set on central datum line both sides the first catoptron and the second catoptron.
7. the multichannel of fiber laser according to claim 1 merges coupled system, it is characterized in that: mirror lens comprise be symmetricly set on central datum line both sides to equaling the small reflector of above-mentioned laser module number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320544712.0U CN203455547U (en) | 2013-08-27 | 2013-08-27 | Multipath merging coupled system of fiber laser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320544712.0U CN203455547U (en) | 2013-08-27 | 2013-08-27 | Multipath merging coupled system of fiber laser |
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| CN203455547U true CN203455547U (en) | 2014-02-26 |
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| CN201320544712.0U Expired - Fee Related CN203455547U (en) | 2013-08-27 | 2013-08-27 | Multipath merging coupled system of fiber laser |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020109A (en) * | 2014-05-16 | 2014-09-03 | 李阳 | Laser prospecting apparatus |
| CN108809411A (en) * | 2018-09-27 | 2018-11-13 | 国网河南省电力公司洛阳供电公司 | A kind of double light source emitting structurals of optical time domain transmitter |
| WO2023108835A1 (en) * | 2021-12-16 | 2023-06-22 | 上海瑞柯恩激光技术有限公司 | Solid laser and solid laser system |
-
2013
- 2013-08-27 CN CN201320544712.0U patent/CN203455547U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020109A (en) * | 2014-05-16 | 2014-09-03 | 李阳 | Laser prospecting apparatus |
| CN104020109B (en) * | 2014-05-16 | 2018-03-13 | 李阳 | Laser investigation arrangement |
| CN108809411A (en) * | 2018-09-27 | 2018-11-13 | 国网河南省电力公司洛阳供电公司 | A kind of double light source emitting structurals of optical time domain transmitter |
| CN108809411B (en) * | 2018-09-27 | 2024-01-26 | 国网河南省电力公司洛阳供电公司 | Double-light source emission structure of optical time domain emission instrument |
| WO2023108835A1 (en) * | 2021-12-16 | 2023-06-22 | 上海瑞柯恩激光技术有限公司 | Solid laser and solid laser system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20140827 |
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| EXPY | Termination of patent right or utility model |