CN103779765B - A kind of optical fiber laser fiber-optic output package module - Google Patents
A kind of optical fiber laser fiber-optic output package module Download PDFInfo
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- CN103779765B CN103779765B CN201210411800.3A CN201210411800A CN103779765B CN 103779765 B CN103779765 B CN 103779765B CN 201210411800 A CN201210411800 A CN 201210411800A CN 103779765 B CN103779765 B CN 103779765B
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Abstract
The present invention relates to fiber laser technology field, particularly to the fiber-optic output package module of a kind of optical fiber laser.This package module includes heat conducting film, the outer surface part of optical fiber or be all coated with heat conducting film, metal connecting piece is used for fixing optical fiber, and it is connected with heat conducting film of fiber outer surface cladding, metal connecting piece is connected with shell, and optics is arranged on the direction of optical fiber Output of laser and is solidly connected with shell.The fiber-optic output package module of the optical fiber laser that the present invention provides, compact structure is simple, reliable and stable, the high heat carried by optical fiber passes to shell by heat conducting film, metal connecting piece and distributes to space outerpace, can effectively guarantee that whole module has good radiating effect；The most extraneous laser beam being reflected back also is stopped by shell and cannot be redirected back into optical fiber, farthest protects the outfan of optical fiber from damage.After fixing for shell, it can also be ensured that the outgoing laser beams of output spatially has stable sensing.
Description
Technical field
The present invention relates to fiber laser technology field, particularly to the fiber-optic output package module of a kind of optical fiber laser.
Background technology
Optical fiber laser, as one of research topic of forefront in current photoelectron technology research field, is widely used in multiple fields such as optical storage of data, optical communication, sensing technology, spectrum and medical application.Optical fiber laser because of the beam quality of its excellence, the highest power and power density, be prone to many advantages such as cooling, high stability and reliability and favored by people, studied by numerous scientists, and obtained development at full speed.In the research process of optical fiber laser, high-power output is always the big target that people pursue.
But, along with the lifting of optical fiber laser power, the heat dissipation problem of laser instrument is faced with more acute challenge.The outfan of laser instrument delivers all energy of laser instrument, so being the part that in whole laser instrument, power is the highest.At the fiber-optic output of optical fiber laser, owing to gathering substantial amounts of power, it is easier to accumulate too much heat, so temperature is the highest.When thermal accumlation to a certain extent time, the optical fiber of laser output calcination will occur so that damage, this point is especially pronounced in the case of laser instrument long time running, thus has had a strong impact on the operation of laser instrument.On the other hand; optical fiber laser some optical elements of Chang Huiyu in the application with the use of; will be after lens etc. be placed on fiber-optic output; calibration etc. for light beam; in this case; the light beam of optical fiber output is after optical element; have partially reflective return; although generally this partially reflective ratio is relatively low; but, when the output of laser instrument is the highest, the light beam power reflected will be higher; thus destroy the end face of optical fiber and bring damage to optical fiber, this also can greatly affect the operating of laser instrument.
For the heat dissipation problem of optical fiber end, prior art discloses following several method,
The first prior art is disclosed a kind of fiber device revealed by cladding light and absorbed by shell, thus the wide-angle light injecting optical fiber is concentrated and filters, but this method is primarily adapted for use in the cladding light revealing optical fiber, and the heat that optical fiber itself is carried, but can not distribute well.
The second prior art discloses a kind of method using fluid cooling optical fiber end.For being incident to optical fiber but unabsorbed light, the cooling liquid in fiber device and device outer wall absorb, and take away waste heat by the cooling liquid of circulation.This method is more direct to the cooling of optical fiber, but realizing of device is relative complex.
The third prior art discloses by leading to luminescent material in the external taper of optical fiber injection end, realizes the coupling to large aperture light and injects；Meanwhile, the light of wide-angle can scatter out from conical section, walks heat by absorption of fluids tape loop.The most aobvious complexity of this optical fiber heat dissipating method.
Above several method is primarily directed to the optical fiber situation as laser injection end, although to some extent solve optical fiber as heat dissipation problem during injection end, but optical fiber is incomplete same with this as the situation of outfan.When optical fiber is as outfan, be the output part as laser instrument, structure want small and exquisite simple, easily other are partially bonded together with laser instrument；Simultaneously as partial feedback light can be there is during laser coupled output, thus the damage that laser instrument is caused by feedback light to be avoided.
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved in the present invention is to provide the fiber-optic output package module of a kind of optical fiber laser, to overcome, existing laser fiber heat abstractor is complicated, radiating effect is poor, and destroys the outfan of optical fiber because the outfan of optical fiber there is partial feedback light and bring the defect of damage to optical fiber.
(2) technical scheme
In order to solve above-mentioned technical problem, the present invention provides the fiber-optic output package module of a kind of optical fiber laser, including metal connecting piece, heat conducting film, shell and optics, the outer surface part of optical fiber or be all coated with heat conducting film, described metal connecting piece is used for fixing described optical fiber, it is connected with the heat conducting film of fiber outer surface cladding, and described metal connecting piece is connected with described shell, and described optics is arranged on the direction of described optical fiber Output of laser and is connected with described shell.
Preferably, described heat conducting film is metal heat-conducting film or nonmetallic heat conductive film.
Preferably, described nonmetallic heat conductive film is thermal conductive silicon adipose membrane or thermal conductive silicon glued membrane.
Preferably, the employing of described heat conducting film is coated with or bonding way covers on optical fiber.
Preferably, described optics is optical lens or optics output window element.
Preferably, described optical component surfaces is coated with blooming.
Preferably, the outfan of described optical fiber connects end cap.
(3) beneficial effect
The fiber-optic output package module of the optical fiber laser that the present invention provides, compact structure is simple, reliable and stable, the high heat carried by optical fiber passes to shell by heat conducting film, metal connecting piece and distributes to space outerpace, can effectively guarantee that whole module has good radiating effect；The most extraneous laser beam being reflected back also is stopped by shell and cannot be redirected back into optical fiber, farthest protects the outfan of optical fiber from damage.After fixing for shell, it can also be ensured that the outgoing laser beams of output spatially has stable sensing.
Accompanying drawing explanation
Fig. 1 is the fiber-optic output encapsulation modular structure schematic diagram of embodiment of the present invention optical fiber laser.
In figure, 1: optical fiber；2: heat conducting film；3: metal connecting piece；4: optics；5: shell；6: outgoing laser beams；7: reflection laser beam；8: end cap.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.Following example are merely to illustrate the present invention, but can not be used for limiting the scope of the present invention.
The outer surface of optical fiber of the present invention refers in particular to the surface after optical fiber removes two end faces.
As shown in Figure 1, the fiber-optic output package module of the optical fiber laser that the present embodiment provides, outfan for packaged fiber 1, it includes metal connecting piece 3, heat conducting film 2, shell 5 and optics 4, the outer surface part of optical fiber 1 or whole cladding heat conducting film 2, described metal connecting piece 3 is used for fixing described optical fiber 1, it is connected with the heat conducting film 2 of optical fiber 1 outer surface cladding, described metal connecting piece 3 is connected with described shell 5, described optics 4 is arranged on the direction of described optical fiber 1 Output of laser and is connected with described shell 5, whole device constitutes a firm entirety.Wherein, heat conducting film 2, metal connecting piece 3 and shell 5 are used for conducting the energy that optical fiber 1 carries, and shell 5 is used for stopping the laser that the external world reflects.Metal connecting piece 3 can be the connector of integral type, it is also possible to combined by two or more connector.
The fiber-optic output package module of this optical fiber laser, compact structure is simple, and the high heat that optical fiber 1 carries can distribute to space outerpace via heat conducting film 2, metal connecting piece 3 and shell 5, and whole module has good radiating effect.Meanwhile, during optical fiber 1 Output of laser, the external world reflection laser beam 7 reflected can be stopped by shell 5 so that it is reverse coupled cannot enter optical fiber 1, such that it is able to the outfan of protection optical fiber 1 is from the operating of damage, beneficially laser instrument.It addition, whole encapsulation modular structure is reliable and stable, thereby may be ensured that optical fiber 1 spatially has stable sensing via the outgoing laser beams 6 sent after optics 4.Shell 5 is fixed, it can also be ensured that the outgoing laser beams 6 of output spatially has stable sensing.
Concrete, optics 4 can be optical lens or optics output window element etc., and the laser that optical fiber 1 sends is through optics 4 outgoing from described module.
Concrete, described heat conducting film 2 can be metal film, such as gold film, silverskin, aluminum film and indium film etc.；Can also be non-metallic film, such as thermal conductive silicon adipose membrane, thermal conductive silicon glued membrane etc..Certain described heat conducting film 2 can also be replaced with other materials with preferable heat conductivity.
Concrete, heat conducting film 2 can directly be coated on optical fiber 1 surface, it is possible to uses bonding or other modes to cover on the surface of optical fiber 1.
Further, the outer surface of optical fiber 1 is provided with coat, and optical fiber 1 is played protection and the effect of constraint by coat；Heat conducting film 2 is covered outside coat.
Further, optics 4 surface can be coated with optical thin film.
Further, the also welding of the outfan of optical fiber 1 has end cap 8, and it is mainly used to protect optical fiber 1.
Further, the optical fiber 1 covering heat conducting film 2 is fixed together with metal connecting piece 3, and its fixed form can be bonding or welding etc.；Generally, welding manner fixing most beneficial for optical fiber 1 is used when heat conducting film 2 is for metal film.
Further, metal connecting piece 3 can be threaded connection or adhesive means is fixed on shell 5.
It should be noted that the optical fiber 1 that surface described in the present embodiment covers heat conducting film can be doped fiber, energy-transmission optic fibre or other optical fiber；Fiber optic materials is any material that can constitute optical fiber, such as fused quartz, glass or plastics, hollow metal tube etc..
The fiber-optic output package module of the optical fiber laser that the present invention provides, compact structure is simple, reliable and stable, the high heat carried by optical fiber passes to shell by heat conducting film, metal connecting piece and distributes to space outerpace, can effectively guarantee that whole module has good radiating effect；The most extraneous laser beam being reflected back also is stopped by metal connecting piece and cannot be redirected back into optical fiber, farthest protects the outfan of optical fiber from damage.Additionally, whole encapsulation modular structure is reliable and stable, it is ensured that optical fiber spatially has stable sensing via the laser beam of battery of lens outgoing.
Due to the fact that and take above technical scheme, it has the advantages that
(1) the optical fiber laser fiber-optic output package module of the present invention, the easy Heat Conduction Materials such as metal are used to constitute due to main, and optical fiber is coated with by Heat Conduction Material, be conducive to the heat diffusion of optical fiber, for high-power optical fiber laser, the high heat of outfan can be easier to distribute quickly to space outerpace, and whole device has good radiating effect.
(2) optical element is built in package module by the present invention, it is simple to the use of laser instrument；Further, owing to optical element is fixed on the shell of package module, position is stablized firm, can maintain fiber-optic output and optical element stablizing relative to position simultaneously, thus ensure the stability of Laser Output Beam optical transform.
(3) present invention from optical fiber via metal connecting piece to shell, connect fixing layer by layer, Stability Analysis of Structures is reliable, and whole device constitutes a stable entirety, such that it is able to effectively ensure the sensing that Output of laser light beam is the most stable.
(4) present configuration is stable, reliable, can be widely applied in all kinds of optical fiber laser.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, on the premise of without departing from the technology of the present invention principle; can also make some improvement and replacement, these improve and replace and also should be regarded as protection scope of the present invention.
Claims (6)
1. an optical fiber laser fiber-optic output package module, it is characterized in that: include metal connecting piece, heat conducting film, shell and optics, the outer surface part of optical fiber or be all coated with heat conducting film, described metal connecting piece is used for fixing described optical fiber, it is connected with the heat conducting film of fiber outer surface cladding, described metal connecting piece is connected with described shell, and described optics is arranged on the direction of described optical fiber Output of laser and is connected with described shell, and the outfan of described optical fiber connects end cap.
2. optical fiber laser fiber-optic output package module as claimed in claim 1, it is characterised in that: described heat conducting film is metal heat-conducting film or nonmetallic heat conductive film.
3. optical fiber laser fiber-optic output package module as claimed in claim 2, it is characterised in that: described nonmetallic heat conductive film is thermal conductive silicon adipose membrane or thermal conductive silicon glued membrane.
4. optical fiber laser fiber-optic output package module as claimed in claim 1, it is characterised in that: the employing of described heat conducting film is coated with or bonding way covers on optical fiber.
5. optical fiber laser fiber-optic output package module as claimed in claim 1, it is characterised in that: described optics is optical lens or optics output window element.
6. optical fiber laser fiber-optic output package module as claimed in claim 1, it is characterised in that: described optical component surfaces is coated with blooming.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210411800.3A CN103779765B (en) | 2012-10-24 | 2012-10-24 | A kind of optical fiber laser fiber-optic output package module |
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| CN201210411800.3A CN103779765B (en) | 2012-10-24 | 2012-10-24 | A kind of optical fiber laser fiber-optic output package module |
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| CN103779765A CN103779765A (en) | 2014-05-07 |
| CN103779765B true CN103779765B (en) | 2016-08-03 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105680318B (en) * | 2016-04-21 | 2019-06-14 | 北京工业大学 | A kind of optical fiber biography light beam cooling device |
| CN108110595A (en) * | 2018-01-18 | 2018-06-01 | 广东炬盛德激光工程技术有限公司 | For the anti-condensation device and laser equipment of laser |
| WO2021169444A1 (en) * | 2020-02-28 | 2021-09-02 | 苏州创鑫激光科技有限公司 | Laser output head, laser and laser-machining apparatus |
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|---|---|---|---|---|
| US5044721A (en) * | 1989-04-18 | 1991-09-03 | Amp Incorporated | Holder for optical fiber end-processing device |
| CN1209554A (en) * | 1997-08-27 | 1999-03-03 | 三星电子株式会社 | Optical-fiber array assembly coated with metal |
| CN1648702A (en) * | 2004-12-17 | 2005-08-03 | 武汉理工大学 | Optical fiber sensitive element metallized packaging structure and its method |
| CN101222109A (en) * | 2008-01-22 | 2008-07-16 | 中国人民解放军国防科学技术大学 | Refrigerating method of high-capacity optical fiber laser |
| CN201234052Y (en) * | 2008-07-01 | 2009-05-06 | 上海拜安信息科技有限公司 | Pump purge apparatus for double cladding optical fiber amplifier and optical fiber laser |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6621976B2 (en) * | 1999-11-05 | 2003-09-16 | Digital Optics Corp. | Integration of array on non-rod shaped optical elements with array of fibers in a structure and associated methods |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5044721A (en) * | 1989-04-18 | 1991-09-03 | Amp Incorporated | Holder for optical fiber end-processing device |
| CN1209554A (en) * | 1997-08-27 | 1999-03-03 | 三星电子株式会社 | Optical-fiber array assembly coated with metal |
| CN1648702A (en) * | 2004-12-17 | 2005-08-03 | 武汉理工大学 | Optical fiber sensitive element metallized packaging structure and its method |
| CN101222109A (en) * | 2008-01-22 | 2008-07-16 | 中国人民解放军国防科学技术大学 | Refrigerating method of high-capacity optical fiber laser |
| CN201234052Y (en) * | 2008-07-01 | 2009-05-06 | 上海拜安信息科技有限公司 | Pump purge apparatus for double cladding optical fiber amplifier and optical fiber laser |
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